Type.h revision 7536dd5e6c99584481b7dab68b7e7d8df9c54054
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; 95465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 963b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 9772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 98ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall template <typename> class CanQual; 99ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 100ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 104f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1100953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 120d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 121d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 122d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 123d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 124efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 1250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 131f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor FastWidth = 3, 1320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 2400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 2420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 2470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 2480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 2490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 2500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 2510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 2520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 2530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 2560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 2570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 2580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 2600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 2610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 2620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 2630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 2640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 2650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 2660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 2670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 2680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 2690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 274b87786f045d798b070980c108c922e1475d27b15Douglas Gregor bool isSupersetOf(Qualifiers Other) const; 275b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 2760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2923cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 2933cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 2943cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Mask = Mask & ~(R.Mask); 2953cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 2963cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 2970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2983cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 2993cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 3003cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 3013cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 3023cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 3033cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 3040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bits: |0 1 2|3 .. 4|5 .. 31| 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // |C R V|GCAttr|AddrSpace| 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceMask = ~(CVRMask | GCAttrMask); 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceShift = 5; 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3281ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor/// \brief Base class that is common to both the \c ExtQuals and \c Type 3291ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor/// classes, which allows \c QualType to access the common fields between the 3301ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor/// two. 3311ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor/// 3321ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass ExtQualsTypeCommonBase { 3331ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorprotected: 3341ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor ExtQualsTypeCommonBase(const Type *BaseType) : BaseType(BaseType) { } 3351ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 3361ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// \brief The "base" type of an extended qualifiers type (\c ExtQuals) or 3371ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// a self-referential pointer (for \c Type). 3381ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// 3391ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// This pointer allows an efficient mapping from a QualType to its 3401ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// underlying type pointer. 3411ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor const Type *BaseType; 3421ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 3431ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor friend class QualType; 3441ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor}; 3451ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 34655270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// ExtQuals - We can encode up to four bits in the low bits of a 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// type pointer, but there are many more type qualifiers that we want 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// to be able to apply to an arbitrary type. Therefore we have this 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// struct, intended to be heap-allocated and used by QualType to 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// store qualifiers. 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 35255270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 35355270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// in three low bits on the QualType pointer; a fourth bit records whether 35455270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 35555270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// Objective-C GC attributes) are much more rare. 3561ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass ExtQuals : public ExtQualsTypeCommonBase, public llvm::FoldingSetNode { 3570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // NOTE: changing the fast qualifiers should be straightforward as 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // long as you don't make 'const' non-fast. 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 1. Qualifiers: 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers must occupy the low-order bits. 3620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update Qualifiers::FastWidth and FastMask. 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 2. QualType: 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update remove{Volatile,Restrict}, defined near the end of 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this header. 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 3. ASTContext: 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update get{Volatile,Restrict}Type. 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Quals - the immutable set of qualifiers applied by this 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// node; always contains extended qualifiers. 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3751ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor ExtQuals(const Type *Base, Qualifiers Quals) 3761ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor : ExtQualsTypeCommonBase(Base), Quals(Quals) 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall { 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(Quals.hasNonFastQualifiers() 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with no fast qualifiers"); 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with fast qualifiers"); 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getQualifiers() const { return Quals; } 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getBaseType() const { return BaseType; } 3931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3940953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getBaseType(), Quals); 3970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 3990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType, 4000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals) { 4010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 4020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddPointer(BaseType); 4030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.Profile(ID); 4040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 4060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 407ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 408ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 409ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 410ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 411ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 412f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 41352fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 41452fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86Pascal // __attribute__((pascal)) 415ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 416ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 41749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCalltypedef std::pair<const Type*, Qualifiers> SplitQualType; 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4310953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 444fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedTypeSlow() const; 445fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4485cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4505cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 455a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 456a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4611ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// 4621ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// This function requires that the type not be NULL. If the type might be 4631ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// NULL, use the (slightly less efficient) \c getTypePtrOrNull(). 4640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type *getTypePtr() const { 4651ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor assert(!isNull() && "Cannot retrieve a NULL type pointer"); 4661ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor uintptr_t CommonPtrVal 4671ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); 4681ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor CommonPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); 4691ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor ExtQualsTypeCommonBase *CommonPtr 4701ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor = reinterpret_cast<ExtQualsTypeCommonBase*>(CommonPtrVal); 4711ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor return const_cast<Type *>(CommonPtr->BaseType); 4721ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor } 4731ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 4741ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor Type *getTypePtrOrNull() const { 4751ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor uintptr_t TypePtrPtrVal 4761ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); 4771ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor TypePtrPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); 4781ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor Type **TypePtrPtr = reinterpret_cast<Type**>(TypePtrPtrVal); 4791ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor return TypePtrPtr? *TypePtrPtr : 0; 4800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// Divides a QualType into its unqualified type and a set of local 48349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// qualifiers. 48449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType split() const { 48549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall if (!hasLocalNonFastQualifiers()) 48649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return SplitQualType(getTypePtrUnsafe(), 48749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 48849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 48949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const ExtQuals *eq = getExtQualsUnsafe(); 49049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall Qualifiers qs = eq->getQualifiers(); 49149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall qs.addFastQualifiers(getLocalFastQualifiers()); 49249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return SplitQualType(eq->getBaseType(), qs); 49349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 49449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 4955cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static QualType getFromOpaquePtr(void *Ptr) { 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 4985cf243a883872441d73ca49cea7e20de5802629bChris Lattner T.Value.setFromOpaqueValue(Ptr); 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type &operator*() const { 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *operator->() const { 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 510467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 51154e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 512467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 5150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 518a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 520a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 521a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 522a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 5230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 524a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 525a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 526fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 527a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 528a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 529a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 530a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 531a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 532a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 533a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 534a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 535a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 536fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 537a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 541a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 542f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return (getLocalFastQualifiers() & Qualifiers::Volatile); 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 545a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 546fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 547a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 548a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 549a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 550a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 551a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 552a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 555a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 556fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 557a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 558a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 559a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 560a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 561a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 562a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 565a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 566a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 567a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 568a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers getLocalQualifiers() const { 5690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 570a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 5710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals = getExtQualsUnsafe()->getQualifiers(); 572a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Quals.addFastQualifiers(getLocalFastQualifiers()); 5730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 5740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 576a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 577fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 578a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 579a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 580a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 581a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 582a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 583f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return getLocalFastQualifiers(); 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 585b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 586a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 587a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 588fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 589e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 590e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 591e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// applied to this type, looking through any number of unqualified array 592e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// types to their element types' qualifiers. 593e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned getCVRQualifiersThroughArrayTypes() const; 594e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 595bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 596bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 597bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 5981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 6000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 6010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 6030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 6040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 6050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 6070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 6080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 6110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 6120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 6130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 6140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 61649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalConst(); 61749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalVolatile(); 61849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalRestrict(); 61949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalCVRQualifiers(unsigned Mask); 6200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 62149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers() { Value.setInt(0); } 62249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers(unsigned Mask) { 6230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 6240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 6250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 6280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 6290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 6300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 6320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 6330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6341c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 6350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 6360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 63749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withExactLocalFastQualifiers(unsigned TQs) const { 63849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return withoutLocalFastQualifiers().withFastQualifiers(TQs); 6395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 64249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withoutLocalFastQualifiers() const { 6430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 64449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall T.removeLocalFastQualifiers(); 6450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 646c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 647971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 648a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 649a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 650a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 651a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 653a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return the unqualified form of the given type, which might be 654a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// desugared to eliminate qualifiers introduced via typedefs. 655fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedType() const { 656fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType T = getLocalUnqualifiedType(); 657fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor if (!T.hasQualifiers()) 658fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return T; 659fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 660fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getUnqualifiedTypeSlow(); 661a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 662a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 663e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 664e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 665e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6676398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 6686398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 6695291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 6706398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 6716398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 6726398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 6735291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 6745291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 6756398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 6765291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 6772fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 6782fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 6792fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 6802fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 6812fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 6822fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 6830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 6840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 68549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType getDesugaredType(ASTContext &Context) const { 68649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getDesugaredType(*this, Context); 68749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 68849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 68949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType getSplitDesugaredType() const { 69049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getSplitDesugaredType(*this); 691bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 69298cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 693075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// IgnoreParens - Returns the specified type after dropping any 694075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// outer-level parentheses. 695075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType IgnoreParens() const { 696723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara if (isa<ParenType>(*this)) 697723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return QualType::IgnoreParens(*this); 698723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return *this; 699075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 700075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 70350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 70450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 70650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 70750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 7085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 70949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string getAsString() const { 71049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split()); 71149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 71249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(SplitQualType split) { 71349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split.first, split.second); 71449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 71549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(const Type *ty, Qualifiers qs); 716d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 717d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 7185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 719d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 722e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 72349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &Policy) const { 72449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split(), Str, Policy); 72549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 72649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(SplitQualType split, std::string &out, 72749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy) { 72849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split.first, split.second, out, policy); 72949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 73049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(const Type *ty, Qualifiers qs, 73149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string &out, 73249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy); 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 734c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 735c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 7361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7373f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 7383f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 7393f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 741ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 742ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 744d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 7450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 746f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 747f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 748f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 7490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 750f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 751f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 752f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 753f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 7540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 755f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 7562455636163fdd18581d7fdae816433f886d88213Mike Stump 757bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 758bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 759bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 760bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 761bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 76249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static QualType getDesugaredType(QualType T, ASTContext &Context); 76349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 764075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static QualType IgnoreParens(QualType T); 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef ::clang::Type* SimpleType; 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 7754472fc641ea3069463798fb56a04043c28ea2910Douglas Gregor return Val.getTypePtr(); 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7814e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 7824e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 783daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 7844e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 7854e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 7864e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 7874e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7884e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 7894e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 7904e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 7920eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 7934e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79573af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 81072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 81372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8241ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass Type : public ExtQualsTypeCommonBase { 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 82772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 82827935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 82972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 83072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 83172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 8331bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 835c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 836c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 837c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CanonicalType; 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 840b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 841b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 842b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 843b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 84427935ee59c30b0d8b610ab676aab8e65350af932John McCall 845b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 846b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 847b870b88df784c2940efce448ebfaf54dece14666John McCall 848b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 849b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 850b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 851bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 85260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 853b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 854bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 855d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 856d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type contains an unexpanded parameter pack 857d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// (for C++0x variadic templates). 858d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 85935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 8601fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 8611fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 8621fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 8631fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 86460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 865b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 866b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 86707a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 868b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 869bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 870db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 871b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 872bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 873b870b88df784c2940efce448ebfaf54dece14666John McCall 8741fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 8751fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 8761fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8771fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 8781fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8791fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 8801fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8811fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 8821fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8831fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 8841fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8851fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 8861fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8871fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 8881fb0caaa7bef765b85972274e3b434af2572c141John McCall } 889b870b88df784c2940efce448ebfaf54dece14666John McCall }; 890d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor enum { NumTypeBits = 17 }; 891b870b88df784c2940efce448ebfaf54dece14666John McCall 892b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 893b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 894b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 895b870b88df784c2940efce448ebfaf54dece14666John McCall 896b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 897b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 898b870b88df784c2940efce448ebfaf54dece14666John McCall 899b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 900b870b88df784c2940efce448ebfaf54dece14666John McCall 901b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 902b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 903b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 904b870b88df784c2940efce448ebfaf54dece14666John McCall 905b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 906b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 907b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 908b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 909b870b88df784c2940efce448ebfaf54dece14666John McCall }; 910b870b88df784c2940efce448ebfaf54dece14666John McCall 911b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 912b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 913b870b88df784c2940efce448ebfaf54dece14666John McCall 914b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 915b870b88df784c2940efce448ebfaf54dece14666John McCall 916b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 917b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 918b870b88df784c2940efce448ebfaf54dece14666John McCall }; 919b870b88df784c2940efce448ebfaf54dece14666John McCall 920b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 921b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 922b870b88df784c2940efce448ebfaf54dece14666John McCall 923b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 924b870b88df784c2940efce448ebfaf54dece14666John McCall 925b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 926b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 927b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned ExtInfo : 8; 928b870b88df784c2940efce448ebfaf54dece14666John McCall 929e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// Whether the function is variadic. Only used by FunctionProtoType. 930e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned Variadic : 1; 931b870b88df784c2940efce448ebfaf54dece14666John McCall 932b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 933b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 934b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 935b870b88df784c2940efce448ebfaf54dece14666John McCall /// 936b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 937b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 938b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 939b870b88df784c2940efce448ebfaf54dece14666John McCall }; 940b870b88df784c2940efce448ebfaf54dece14666John McCall 941b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 942b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 943b870b88df784c2940efce448ebfaf54dece14666John McCall 944b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 945b870b88df784c2940efce448ebfaf54dece14666John McCall 946b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 947b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 948b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 949b870b88df784c2940efce448ebfaf54dece14666John McCall }; 950b870b88df784c2940efce448ebfaf54dece14666John McCall 951b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 952b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 953b870b88df784c2940efce448ebfaf54dece14666John McCall 954b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 955b870b88df784c2940efce448ebfaf54dece14666John McCall 956b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 957b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 958b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 959b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 960b870b88df784c2940efce448ebfaf54dece14666John McCall /// 961b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 962b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 963b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 964b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 965b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 966b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 967bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 968b870b88df784c2940efce448ebfaf54dece14666John McCall 969b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 970b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 971bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 972b870b88df784c2940efce448ebfaf54dece14666John McCall }; 973b870b88df784c2940efce448ebfaf54dece14666John McCall 97477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 97577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 97677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 97777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 97877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 97977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 98077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 98177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 98277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 983b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 984b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 98507a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 986b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 98771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 988e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 989e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 990cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 991b870b88df784c2940efce448ebfaf54dece14666John McCall 992b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 993cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 994b870b88df784c2940efce448ebfaf54dece14666John McCall }; 995b870b88df784c2940efce448ebfaf54dece14666John McCall 996b870b88df784c2940efce448ebfaf54dece14666John McCall union { 997b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 998b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 999b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 1000b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 1001b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 1002b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 100377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 1004b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 1005b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1006b870b88df784c2940efce448ebfaf54dece14666John McCall 1007b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 10083c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 10093c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 1010b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 101107a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 101207a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1013b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 10141fb0caaa7bef765b85972274e3b434af2572c141John McCall 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1016124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 1017124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 1018d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Type(TypeClass tc, QualType Canonical, bool Dependent, bool VariablyModified, 1019d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 10201ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor : ExtQualsTypeCommonBase(this), 10211ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical) { 1022b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 1023b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 1024b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 1025d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack; 10261fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 1027b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 1028b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 1029b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 1030b870b88df784c2940efce448ebfaf54dece14666John McCall } 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 10321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1033b870b88df784c2940efce448ebfaf54dece14666John McCall void setDependent(bool D = true) { TypeBits.Dependent = D; } 1034b870b88df784c2940efce448ebfaf54dece14666John McCall void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; } 1035d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor void setContainsUnexpandedParameterPack(bool PP = true) { 1036d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = PP; 1037d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1038d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 10398b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 1040b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 10411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10423c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1043b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 104407a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1045d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type is or contains an unexpanded parameter 1046d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// pack, used to support C++0x variadic templates. 1047d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1048d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// A type that contains a parameter pack shall be expanded by the 1049d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// ellipsis operator at some point. For example, the typedef in the 1050d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// following example contains an unexpanded parameter pack 'T': 1051d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1052d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \code 1053d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// template<typename ...T> 1054d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// struct X { 1055d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// typedef T* pointer_types; // ill-formed; T is a parameter pack. 1056d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// }; 1057d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \endcode 1058d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1059d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// Note that this routine does not specify which 1060d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool containsUnexpandedParameterPack() const { 1061d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return TypeBits.ContainsUnexpandedParameterPack; 1062d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1063d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1064467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 1065467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return CanonicalType.getTypePtr() == this; 1066467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 10701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 10741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 1076d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1077d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1078d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1079d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1080d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1081d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 108264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 108364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 108464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl bool isPODType() const; 108564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1086ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1087ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1088ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1089ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1091ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1092e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 10939b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 10949b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 10959b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1096e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1097e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10992a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 11002a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 11012a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 11022a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 11032a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 11042a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 110596d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 110696d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 110813b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 110913b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 111013b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 111177a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 111220093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 11139d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 111420093b4bf698f292c664676987541d5103b65b15Douglas Gregor 11152ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 11162ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 11171274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 11181274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 11191274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 11202ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 112302f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 112402f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1126f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1130c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1131c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1132c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1133d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 11341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1135c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1136ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1137c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1138183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1139183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1140befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 114158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 11425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 11437154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1144a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 11457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 11467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1147bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1148f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1149f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1150db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1151c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1152c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1153c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1154c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1155898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1156c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 11571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1159fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 11604cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1161368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1162368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1163213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1164d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff bool isObjCObjectPointerType() const; // Pointer to *any* ObjC object. 116514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 116614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1168368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1169368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1170470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1171569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 117214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 117314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 117413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1175de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 117672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 11776e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1178898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1179daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 1180daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Pointer, 1181daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1182daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1183daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1184daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1185daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1186daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1187daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1188daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1189daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1190daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1191898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 11921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1193898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1194b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 119535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 119635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1197b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 119835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1199db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1200db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1201db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1202063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 120372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 12044033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 12054033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 12064033642464e8ba0982f88f34cffad808d247b393Douglas Gregor 12078958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 12088958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 12098958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 12106e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 12118958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 12128958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1213820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1214820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1216820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1217f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1218f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1219f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1220f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1221f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1222f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1223f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1224f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1225f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1226f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1227f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1228f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 12298eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 12308eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 12318eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1232f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1233c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1234f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1235f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1236769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1237898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1238c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 12394cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 124014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 124114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 124214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 124314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1245a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 12461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1247c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1248c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1249c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1250c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 1251c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1252fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // Member-template getAs<specific type>'. Look through sugar for 1253fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // an instance of <specific type>. This scheme will eventually 12541a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // replace the specific getAsXXXX methods above. 1255183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // 1256183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // There are some specializations of this member template listed 1257183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // immediately following this class. 12581a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1260c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1261c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1262c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1263c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 12641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1265f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1266f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 126714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 12681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1269bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1270bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1271bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1272bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 12765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1278d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 1279d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 1280d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// integer element type. 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 1284d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 1285d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 1286d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// element type. 12875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1288d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 12895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 12909bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 12919bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 12923c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1293c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 129422b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 129522b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 129622b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 129722b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 12980b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 129960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 13001fb0caaa7bef765b85972274e3b434af2572c141John McCall 13011fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 13021fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 13031fb0caaa7bef765b85972274e3b434af2572c141John McCall 13041fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 13051fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 130660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 130760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 130860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 130960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 131060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 13110b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1312ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1313ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1314ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1315ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1316c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 13175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1318be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1319c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1320a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 13215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1323183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1324183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1325183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1326183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1327183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1328183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1329183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1330183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1331183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 13320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1333183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1334183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1335183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1336183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 13375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 13385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 13395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 13405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 13425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 13431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 13455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 13465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 1347f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1348f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 13505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 13515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 13532df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 13541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 13572ff9b4c7c8fed9233a0b8de2e9507368c451aab6Argyrios Kyrtzidis WChar, // This is 'wchar_t' for C++. 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 13615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 13622df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13648e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 13658e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 13666e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 13676e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 13682a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 13692a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 13702a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 13712a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 13722a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 13732a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1374898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Overload, // This represents the type of an overloaded function declaration. 13751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1376de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff UndeducedAuto, // In C++0x, this represents the type of an auto variable 1377e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // that has not been deduced yet. 1378e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1379e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'id' type. The type pointed to by the 1380e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'id' type. Only ever shows up in an AST as the base 1381e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type of an ObjCObjectType. 1382e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCId, 1383e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1384e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'Class' type. The type pointed to by the 1385e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'Class' type. Only ever shows up in an AST as the 1386e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// base type of an ObjCObjectType. 1387e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCClass, 1388e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 138913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSel // This represents the ObjC 'SEL' type. 13905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 139171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 139435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 1395d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 1396d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*Unexpanded paramter pack=*/false) { 1397b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 139871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 13991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1400b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 1401e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 14021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1403bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1404bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1405bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1406680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 140771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1408680523a91dd3351389667c8de17121ba7ae82673John McCall } 1409680523a91dd3351389667c8de17121ba7ae82673John McCall 1410680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 141171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1412680523a91dd3351389667c8de17121ba7ae82673John McCall } 1413680523a91dd3351389667c8de17121ba7ae82673John McCall 1414680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 141571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1416680523a91dd3351389667c8de17121ba7ae82673John McCall } 1417680523a91dd3351389667c8de17121ba7ae82673John McCall 1418680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 141971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1420680523a91dd3351389667c8de17121ba7ae82673John McCall } 1421680523a91dd3351389667c8de17121ba7ae82673John McCall 14222a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// Determines whether this type is a "forbidden" placeholder type, 14232a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// i.e. a type which cannot appear in arbitrary positions in a 14242a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// fully-formed expression. 14252a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 142671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() == Overload || 142771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall getKind() == UndeducedAuto; 14282a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 14292a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 14305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 14315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 14325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 14355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 14365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 14375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 14385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 144035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 1441d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->isVariablyModifiedType(), 1442d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->containsUnexpandedParameterPack()), 1443898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 14445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 144660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 14485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 14491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1450bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1451bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1452bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 14545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 14555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 14615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 14625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1464075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// ParenType - Sugar for parentheses used when specifying types. 1465075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// 1466075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnaraclass ParenType : public Type, public llvm::FoldingSetNode { 1467075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Inner; 1468075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1469075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType(QualType InnerType, QualType CanonType) : 1470075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Type(Paren, CanonType, InnerType->isDependentType(), 1471d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->isVariablyModifiedType(), 1472d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->containsUnexpandedParameterPack()), 1473075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner(InnerType) { 1474075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1475075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara friend class ASTContext; // ASTContext creates these. 1476075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1477075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnarapublic: 1478075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1479075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType getInnerType() const { return Inner; } 1480075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1481075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara bool isSugared() const { return true; } 1482075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType desugar() const { return getInnerType(); } 1483075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1484075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void Profile(llvm::FoldingSetNodeID &ID) { 1485075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Profile(ID, getInnerType()); 1486075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1487075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { 1488075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner.Profile(ID); 1489075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1490075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1491075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const Type *T) { return T->getTypeClass() == Paren; } 1492075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const ParenType *) { return true; } 1493075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara}; 1494075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 149568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1496bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 149768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1498bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 14995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 150135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 1502d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1503d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 150435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 15055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 150760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 15085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 15091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 151068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 151168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1512bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1513bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1514bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 15165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 15175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 15195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 15205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 15235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 15245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 15255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 15275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 15285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 15295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 15305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 15315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 15325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 153335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 1534d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1535d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 1536898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 15375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 153960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 15405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 15411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 15435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 15445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1545bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1546bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1547bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 15495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 15505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 15525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 15535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 15561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 15575618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 15595618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 15605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 15617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 15625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 156368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 156468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 156568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 15667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 156754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 156854e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 156935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 1570d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->isVariablyModifiedType(), 1571d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->containsUnexpandedParameterPack()), 1572d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor PointeeType(Referencee) 1573d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor { 1574b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1575b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 15765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 157760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 15785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1579b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1580b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 158173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 158254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 158354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 158454e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 158554e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 158671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 158754e14c4db764c0636160d26c5bbf491637c83a76John McCall T = T->PointeeType->getAs<ReferenceType>(); 158854e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 158954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 159068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 159271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 159454e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 159554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 159654e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 15975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 159854e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 16027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 16037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 16047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 16055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 16067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 16077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 16087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 16097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 16107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 161154e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 161254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 161354e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 161454e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 16157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 16167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1617bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1618bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1619bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 16217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 16227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 16237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 16247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 16257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 16267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 16277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 16287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 16297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 163054e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 16317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 16327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 16337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1634bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1635bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1636bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 16387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 16397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 16407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1641f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1642f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1643f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1644f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1645f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1646f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1647f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1648f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1649f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1650f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1651f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1652f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 165335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 1654d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1655d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (Cls->containsUnexpandedParameterPack() || 1656d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack())), 1657f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1658f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1659f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 166060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1661f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1662f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1663f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 16640bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 16650bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 16660bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 16670bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 16680bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 16690bab0cdab751248ca389a5592bcb70eac5d39260John McCall 16700bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 16710bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 16720bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 16730bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 16740bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 16750bab0cdab751248ca389a5592bcb70eac5d39260John McCall 1676f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1677f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1678bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1679bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1680bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1681f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1682f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1683f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1684f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 1685f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 1686f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 1687f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 1688f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1689f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1690f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 1691f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 1692f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1693f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 16945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 16975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 16982e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 16995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 1701898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 1702898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 1703898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 17045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 17055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 17065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 17075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1708fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 1709fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 17101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1711fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 1712898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 1713898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 1714898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 1715898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 1716898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 1717c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 1718d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ArraySizeModifier sm, unsigned tq, 1719d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 172035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 1721d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (tc == VariableArray || et->isVariablyModifiedType()), 1722d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 172371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 1724b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 1725b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 172671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1727898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1728fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 172960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1730fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1731fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 1732ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 1733b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 1734ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 17350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 173671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 173771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 173871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 1739b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 17400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 17411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1742fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 1743fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 1744c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 1745898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 1746898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 1747fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1748fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 1749fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1750fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 17517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 17527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 17537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 17547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 17552e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 1756fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 17571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17580be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 1759c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 1760d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq, 1761d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 17627e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 17637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 17647e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 17657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 1766d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(tc, et, can, sm, tq, et->containsUnexpandedParameterPack()), 1767d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Size(size) {} 1768fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1769fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1770c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 1771bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1772bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1773bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17742767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 17752767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 17762767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 17772767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 17782767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 17792767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 17802767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 17812767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 17822767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 17832767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 17842767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 1785fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 17861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 17870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 1788fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1789fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 17900be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 17910be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 1792fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 1793fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 17940be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 17950be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1796fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 17977e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 179846a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 1799fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1800fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 1801fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1802fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 1803da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 1804da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 1805da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 1806c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 18077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1808c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 18097e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 1810d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(IncompleteArray, et, can, sm, tq, 1811d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()) {} 1812c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 1813c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 1814bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1815bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1816bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 1819c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1820c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 18211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1822c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 18231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1824c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 18250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 18260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 1827c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 18281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18290be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 18300be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 1831c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 18320be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 18330be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1834c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1835c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 1836c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1837da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 1838da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 1839da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 1840da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1841da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 1842da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 1843da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 1844da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 1845da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1846da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 1847da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 1848da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 1849da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 1850da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 1851da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 18522e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 18531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 18541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 1855b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 18567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 18577e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 18587e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1859c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 18607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 18617e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 1862d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq, 1863d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 18647e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 18655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 18664b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 18675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1869b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 1870b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 1871b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 1872b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 18737e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 18747e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 18757e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1877bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1878bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1879bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 18825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1883fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 18841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 188592866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 18861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18872bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 1888bc5e150b6d94cf131f7d01bc715571b741c5b408Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 18892bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 18905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1892898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 1893898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 1894cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1895cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 18961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 1897898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 1898898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 1899898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 1900cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 1901cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1902898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 1903898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 1904898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 1905898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 190604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASTContext &Context; 19071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1908cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 1909898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 1910cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 1911cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 1912cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 1913898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 1914cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 19157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 19167e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 19171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedArrayType(ASTContext &Context, QualType et, QualType can, 191904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 1920d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor SourceRange brackets); 1921d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1922898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 1923898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1924898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 19251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1926898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 1927898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 1928898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 1929898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 19307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 19317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 19327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 19331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1934bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1935bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1936bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 1939898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1940898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 19411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1942898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 19431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1945898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 19461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 19470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 1948898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 19491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 19511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 195204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 1953898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 1954898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1955f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 19569cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 19579cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 19589cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 19599cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 19609cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 19619cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 19629cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 19632ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 19642ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor ASTContext &Context; 19659cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 19669cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 19679cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 19689cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 19691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType(ASTContext &Context, QualType ElementType, 1971d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc); 1972d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 19739cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 19749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 19759cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 19762ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 19779cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 19789cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 19799cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 1980bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1981bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1982bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 19859cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 19861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 19872ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 19882ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 19892ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 19902ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19922ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 19932ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 19949cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 19951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19969cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 199773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 19981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 199982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 200082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 200173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 20025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 2003788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 2004e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 2005e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 2006e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 2007e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 2008e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 2009491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 2010491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 2011788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 201273322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 20135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 20145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 20151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 201682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 2017d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor VectorKind vecKind); 201835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 20191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 2020d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType canonType, VectorKind vecKind); 2021d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 20225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 202360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 20245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 2027b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 20285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2029bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2030bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2031bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2032e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 2033e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 203471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2035788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 20365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 203771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 2038e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 20395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 204182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 2042e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 20435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 20445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 204573322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 2046e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 204773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 20480b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 20491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 20501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 20515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 20535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2055213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 2056213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 2057213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 2058fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 2059fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 2060213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 2061213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 2062e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 206373322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 206473322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 206588dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 206688dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 206788dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 206888dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 206988dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 207088dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 207188dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 207288dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2073e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2074353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 207588dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 2076353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 2077353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 2078353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2079353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2080353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2081353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2082353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2083353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2084353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2085353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2086353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2087131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2088353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2089131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2090353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2091131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2092353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2093131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2094353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2095131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2096353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2097131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2098353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 209988dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2100e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 21011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2102b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2103b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2104353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2105b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 21061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 210788dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2108b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 210971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 211088dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2111e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2112bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2113bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2114bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 21161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 211773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2118213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 211973322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 212073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 21215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 212272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 21235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 21245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 21255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 21265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2127264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2128264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2129373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// ExtInfo - A class which abstracts out some details necessary for 2130373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// making a call. 2131373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2132373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// It is not actually used directly for storing this information in 2133373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// a FunctionType, although FunctionType does currently use the 2134373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// same bit-pattern. 2135373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2136075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // If you add a field (say Foo), other than the obvious places (both, 2137075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // constructors, compile failures), what you need to update is 2138075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // * Operator== 2139425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2140425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2141425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2142425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2143425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2144425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2145425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2146425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 21473c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2148425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2149264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 2150373920bd733b1d28fe7bf209945a62eb9248d948John McCall // Feel free to rearrange or add bits, but if you go over 8, 2151373920bd733b1d28fe7bf209945a62eb9248d948John McCall // you'll need to adjust both the Bits field below and 2152373920bd733b1d28fe7bf209945a62eb9248d948John McCall // Type::FunctionTypeBitfields. 2153373920bd733b1d28fe7bf209945a62eb9248d948John McCall 2154373920bd733b1d28fe7bf209945a62eb9248d948John McCall // | CC |noreturn|regparm 2155373920bd733b1d28fe7bf209945a62eb9248d948John McCall // |0 .. 2| 3 |4 .. 6 2156b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2157b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2158b870b88df784c2940efce448ebfaf54dece14666John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask), 2159b870b88df784c2940efce448ebfaf54dece14666John McCall RegParmOffset = 4 }; 2160b870b88df784c2940efce448ebfaf54dece14666John McCall 2161373920bd733b1d28fe7bf209945a62eb9248d948John McCall unsigned char Bits; 216271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2163373920bd733b1d28fe7bf209945a62eb9248d948John McCall ExtInfo(unsigned Bits) : Bits(static_cast<unsigned char>(Bits)) {} 216471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 216571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 216671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2167264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2168264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 21693c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 217071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(bool noReturn, unsigned regParm, CallingConv cc) { 2171b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2172b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2173b870b88df784c2940efce448ebfaf54dece14666John McCall (regParm << RegParmOffset); 217471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2175264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2176264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2177264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 217871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2179264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2180b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2181b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParm() const { return Bits >> RegParmOffset; } 2182b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2183264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 218471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 218571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2186264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 218771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 218871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2189264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2190264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2191264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2192264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2193264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2194264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 219571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 219671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 219771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 219871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2199425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2200425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2201425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 2202b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~RegParmMask) | (RegParm << RegParmOffset)); 2203264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2204264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2205264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2206b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2207264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2208264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2209e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 221071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 221171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2212264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2213264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 22145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2215e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType(TypeClass tc, QualType res, bool variadic, 22162455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned typeQuals, QualType Canonical, bool Dependent, 2217d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool VariablyModified, bool ContainsUnexpandedParameterPack, 2218d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ExtInfo Info) 2219d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, Canonical, Dependent, VariablyModified, 2220d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 2221d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ResultType(res) { 2222b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2223e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionTypeBits.Variadic = variadic; 2224b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 222571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2226e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool isVariadic() const { return FunctionTypeBits.Variadic; } 2227b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 22285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 22315291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2232b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2233b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2234b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2235b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 22365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22375291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 22385291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 22395291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 22406398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 22415291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 22425291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 224304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 224404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 22455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 22465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 22475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 22485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 22505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 225272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 22535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 225472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 225571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 22561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : FunctionType(FunctionNoProto, Result, false, 0, Canonical, 225735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*Dependent=*/false, Result->isVariablyModifiedType(), 2258d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false, Info) {} 2259d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 22605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 226160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 22625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 22641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2265bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2266bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2267bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2269264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 22705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22712455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 227271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 227371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 22745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 22755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 22785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 22795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 228072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 22815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 228372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 22845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2285465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2286465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2287465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 228872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 2289e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallpublic: 2290e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// ExtProtoInfo - Extra information about a function prototype. 2291e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall struct ExtProtoInfo { 2292e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo() : 2293e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall Variadic(false), HasExceptionSpec(false), HasAnyExceptionSpec(false), 2294e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall TypeQuals(0), NumExceptions(0), Exceptions(0) {} 2295e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2296e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType::ExtInfo ExtInfo; 2297e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool Variadic; 2298e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool HasExceptionSpec; 2299e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool HasAnyExceptionSpec; 2300e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned char TypeQuals; 2301e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned NumExceptions; 2302e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *Exceptions; 2303e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall }; 2304e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2305e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallprivate: 2306d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Determine whether there are any argument types that 2307d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// contain an unexpanded parameter pack. 2308d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray, 2309d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned numArgs) { 2310d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 2311d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor if (ArgArray[Idx]->containsUnexpandedParameterPack()) 2312d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return true; 2313d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2314d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return false; 2315d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 2316d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2317e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType(QualType result, const QualType *args, unsigned numArgs, 2318e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType canonical, const ExtProtoInfo &epi); 2319465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 23205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2321465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumArgs : 20; 2322465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2323465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 2324465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumExceptions : 10; 2325465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2326465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// HasExceptionSpec - Whether this function has an exception spec at all. 232734e80e94a21eb1ac2a9405d918e711e8b12256a9John McCall unsigned HasExceptionSpec : 1; 2328465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2329e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// HasAnyExceptionSpec - Whether this function has a throw(...) spec. 2330e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned HasAnyExceptionSpec : 1; 2331465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2332942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2333942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2334465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2335465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2336465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2337465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 23385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 23394b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 23405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 23425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 23435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2344942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 23455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2346465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2347e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo getExtProtoInfo() const { 2348e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo EPI; 2349e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getExtInfo(); 2350e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Variadic = isVariadic(); 2351e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.HasExceptionSpec = hasExceptionSpec(); 2352e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.HasAnyExceptionSpec = hasAnyExceptionSpec(); 2353e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.TypeQuals = static_cast<unsigned char>(getTypeQuals()); 2354e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.NumExceptions = NumExceptions; 2355e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Exceptions = exception_begin(); 2356e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return EPI; 2357e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 2358e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2359465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec() const { return HasExceptionSpec; } 2360e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool hasAnyExceptionSpec() const { return HasAnyExceptionSpec; } 2361465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2362465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2363465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2364465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2365465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 23661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasEmptyExceptionSpec() const { 23671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return hasExceptionSpec() && !hasAnyExceptionSpec() && 2368a12823f6c0ec9e0e644a9d0ee153e973f49c63fcAnders Carlsson getNumExceptions() == 0; 2369d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 2370465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2371e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall using FunctionType::isVariadic; 2372971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 23731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2375942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2376942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2377942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2378942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2379465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2380465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2381465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2382465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2383465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2384465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2385465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 2386465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2387465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2388465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2389bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2390bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2391bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 23935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 23945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 239572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2396465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 23975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID); 23985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2399942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 2400e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const ExtProtoInfo &EPI); 24015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2404ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2405ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2406ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2407ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2408ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2409ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2410ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 241119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 2412d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(UnresolvedUsing, QualType(), true, false, 2413d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 241419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2415ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2416ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2417ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2418ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2419ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2420ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2421ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2422ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2423ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2424ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2425ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2426ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2427ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2428ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2429ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2430ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2431ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2432ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2433ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2434ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2435ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2436ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2437ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 24385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 24395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *Decl; 2440c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 244119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TypedefType(TypeClass tc, const TypedefDecl *D, QualType can) 2442d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, can, can->isDependentType(), can->isVariablyModifiedType(), 2443d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 244419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<TypedefDecl*>(D)) { 24455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 24465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 24485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 24491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *getDecl() const { return Decl; } 24511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2452bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2453bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2454bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 245572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 24565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 24575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 245972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 246072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2461d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 24621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2463b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2464dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2465d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2466d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2467d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 24681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2469bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2470bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2471bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2472bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2473bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2474bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 247572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 247672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2477d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2478d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2479c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 24801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2481c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2482c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2483c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2484c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 24851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2486b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 2487b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor ASTContext &Context; 24881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2489b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 24901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentTypeOfExprType(ASTContext &Context, Expr *E) 2491b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 24921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2493bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2494bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2495bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2496b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2497b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2498b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 24991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2500b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 2501b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2502b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 25031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2504d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2505d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2506d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 25071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 2508d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(TypeOf, can, T->isDependentType(), T->isVariablyModifiedType(), 2509d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor T->containsUnexpandedParameterPack()), 251035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 2511d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2512d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2513d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2514d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2515d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 25161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2517bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2518bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2519bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2520bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2521bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2522bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 252372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2524d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2525d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 25265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2527395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2528395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2529395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 25301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2531563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2532563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2533563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2534563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 25351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25369d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2537563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2538395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2539395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2540395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2541563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2542563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2543bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2544bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2545bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2546bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2547bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2548bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2549395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2550395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2551395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 25521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2553c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2554c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2555c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2556c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2557c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2558c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 25599d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 25609d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor ASTContext &Context; 25611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25629d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 25639d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType(ASTContext &Context, Expr *E); 25641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2565bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2566bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2567bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 25689d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 25699d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 25709d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 25711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25729d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 25731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 25749d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 25751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 2577ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 2578ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 2579ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 25802ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 25812ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 258219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 25832ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 25841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 2585ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 25861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25870b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 25881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 2589ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 25900b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 25911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 259272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 259372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 25945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 259572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 259672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 25975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 25985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25995edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 26005edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 26015edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 260249aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 260319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 260419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 260572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 260619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 26072ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 26085edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 26091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26105edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 26115edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 26125edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 26131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 26155edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 26161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 26175edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 26185edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 26195edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // FIXME: RecordType needs to check when it is created that all fields are in 26205edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // the same address space, and return that. 26215edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner unsigned getAddressSpace() const { return 0; } 26221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2623bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2624bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2625bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 26262daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 26272daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 26282daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 26292daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 26305edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 26315edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 26325edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 26335edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 26345edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 26355edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 263619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 263719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 26382ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 26395edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 26401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26415edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 26425edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 26435edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 26441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2645bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2646bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2647bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 26482daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 26492daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 26502daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 26512daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 26525edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 26535edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 26545edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 2655fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 2656efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Depth : 15; 2657efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned ParameterPack : 1; 265877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Index : 16; 2659efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name; 266072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2661efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(unsigned D, unsigned I, bool PP, IdentifierInfo *N, 2662efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor QualType Canon) 266335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 2664d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, PP), 266577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(N) { } 266672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 266835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true, 2669d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, PP), 267077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(0) { } 267172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2672fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 267372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2674fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 2675efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getDepth() const { return Depth; } 2676efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getIndex() const { return Index; } 2677efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor bool isParameterPack() const { return ParameterPack; } 2678efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Name; } 26791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2680bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2681bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2682bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2683fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2684efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Profile(ID, Depth, Index, ParameterPack, Name); 2685fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2686fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 26871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 26881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 2689efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 2690fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 2691fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 269276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 2693efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor ID.AddPointer(Name); 2694fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2695fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 26961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 26971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 269872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 269972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 270072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 2701fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 270249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 270349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 270449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 270549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 270649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 270749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 270849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 270949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 271049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 271149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 271249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 271349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 271435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 2715d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->isVariablyModifiedType(), 2716d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->containsUnexpandedParameterPack()), 271749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 271849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 271949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 272049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 272149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 2722efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Replaced->getName(); } 2723efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor 272449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 272549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 272649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 272749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 272849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 272949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 273049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 273149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 273249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 273349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 273449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 273549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 273649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 273749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 273849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 273949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 274049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 274149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 274249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 274349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 274449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 274549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 274649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 274749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 274849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 274949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 275049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 275149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 275249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 275349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 27547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 27557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 275655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 27577532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 27587532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 27597532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 27607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 27617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 276255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 27631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 276455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 27657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 27667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 27677532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 27687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 27691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 277055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 277133500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The name of the template being specialized. 27727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 277355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 277440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 277540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 277655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 277755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2778ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 27797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 27807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, QualType Canon); 278155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 278255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 278355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 278455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 278540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 278640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 278740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 27881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 278940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 2790833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 2791833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 2792833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2793d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 2794d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2795df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 2796df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 2797df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 2798d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 2799d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor const PrintingPolicy &Policy); 2800df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 2801833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 2802833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 2803833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 2804833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2805d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 2806d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 2807d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 280831f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 280931f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 281031f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 281171d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 281231f17ecbef57b5679c017c375db330546b7b5145John McCall } 281331f17ecbef57b5679c017c375db330546b7b5145John McCall 281440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 281540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 281640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 281733500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 281840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 28197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 28207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 282155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 282240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 28231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 282440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 282540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 282640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 282740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 282855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 282955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 283055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 283155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 283233500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 283355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 283431f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 283531f17ecbef57b5679c017c375db330546b7b5145John McCall return !isDependentType() || isCurrentInstantiation(); 283631f17ecbef57b5679c017c375db330546b7b5145John McCall } 2837bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 2838bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2839ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Ctx) { 284071d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 284155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 284255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 28437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 284431f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 284531f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 2846828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor ASTContext &Context); 284755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 28481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 28491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 285055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 28517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 285255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 285355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 285431f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 285531f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 285631f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 285731f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 28583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 285931f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 286031f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 28613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 286231f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 286331f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 286431f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 286531f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 286631f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 286731f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 286831f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 286931f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 287031f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 28713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 28723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 28733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 287431f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 287531f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 287631f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 287731f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 287831f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 287931f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 288031f17ecbef57b5679c017c375db330546b7b5145John McCall /// 288131f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 288231f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 288331f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 28843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 28853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 2886c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 2887c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 288843921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 288931f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 289035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 2891d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 2892d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 289331f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 28943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 28953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 289631f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 28973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 28983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 28993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 290031f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 290131f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 290231f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 29033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 29043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2905ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 29063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 290731f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 290831f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 29093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 29103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 29113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 29123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 29133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 29143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 29153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2916465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 2917465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 2918465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 2919465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 2920465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 2921465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 2922465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 2923465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 2924465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 2925465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 2926465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2927465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 29284a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 29294a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 29304a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 29314a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 29324a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 29334a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 29344a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 2935465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 2936465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 29374a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 2938465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 2939465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 2940465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 2941465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 2942465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 2943465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 29444a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 2945465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2946465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 2947465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 2948465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 2949465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 2950465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 2951465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 2952465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 2953d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType Canonical, bool Dependent, bool VariablyModified, 2954d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 2955d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, Canonical, Dependent, VariablyModified, 2956d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack) { 295777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 295877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 2959465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2960465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 2961465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 296277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 2963465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2964465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2965465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 2966465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 2967465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 2968465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2969465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 2970465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 2971465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2972465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 2973465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2974465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 2975465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 2976465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 2977465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2978465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 2979465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 2980465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2981465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 2982465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2983465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 2984465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2985465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 2986465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2987465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 2988465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 2989465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2990465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2991465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 2992465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 2993465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2994465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2995465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 2996465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 2997465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 2998e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 2999e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 3000465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 3001465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 3002465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 3003465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 3004465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3005ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3006ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 3007e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3008e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 3009e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 3010e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3011465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 3012465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 3013465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 301435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 3015d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->isVariablyModifiedType(), 3016d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->containsUnexpandedParameterPack()), 3017465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 3018465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 3019465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 3020465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 3021465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3022e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3023e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 3024e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3025e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 302633500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 3027465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3028ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 3029ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3030e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3031e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 3032e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 3033e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3034bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3035bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 3036bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3037bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3038bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3039bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3040e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3041465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 3042e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3043e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3044465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 3045465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 3046465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 3047ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 3048ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 3049ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 3050e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 30511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 3052465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 3053e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3054465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 3055e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 3056e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 30574a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 30584a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 3059d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 30604a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 30614a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 30624a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 30634a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 30644a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 30654a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 3066465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 3067465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3068d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3069d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 3070d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3071d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 307233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 3073d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 30744a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 30754a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 307635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 3077d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3078d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NNS->containsUnexpandedParameterPack()), 3079465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 30801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 30814714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 3082d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3083d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3084d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 3085d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3086d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 3087d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 3088d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3089d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 30901734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 30911734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 30921734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 30931734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 30941734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 30951734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 30961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 309733500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 30981734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 3099d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3100bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3101bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3102bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3103d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3104465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 3105d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3106d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 31074a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 310833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 31094a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 3110d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 311133500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 3112d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3113d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 31141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 31154714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 3116d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 31174714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 3118d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 3119d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 312033500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 312133500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 312233500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 312333500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 312433500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 312533500955d731c73717af52088b7fc0e7a85681e7John McCall 312633500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 312733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 312833500955d731c73717af52088b7fc0e7a85681e7John McCall 312933500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 313033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 313133500955d731c73717af52088b7fc0e7a85681e7John McCall 313233500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 313333500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 313433500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 313533500955d731c73717af52088b7fc0e7a85681e7John McCall 313633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 313733500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 313833500955d731c73717af52088b7fc0e7a85681e7John McCall } 313933500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 314033500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 314133500955d731c73717af52088b7fc0e7a85681e7John McCall } 314233500955d731c73717af52088b7fc0e7a85681e7John McCall 3143ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 314433500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 314533500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 314633500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 314733500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 314833500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 314933500955d731c73717af52088b7fc0e7a85681e7John McCall 315033500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 315133500955d731c73717af52088b7fc0e7a85681e7John McCall 315233500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 315333500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 315433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 315533500955d731c73717af52088b7fc0e7a85681e7John McCall 315633500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 315733500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 315833500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 315933500955d731c73717af52088b7fc0e7a85681e7John McCall } 316033500955d731c73717af52088b7fc0e7a85681e7John McCall 316133500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 316233500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 316333500955d731c73717af52088b7fc0e7a85681e7John McCall 316433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 316533500955d731c73717af52088b7fc0e7a85681e7John McCall 316633500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 316733500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 316833500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 316933500955d731c73717af52088b7fc0e7a85681e7John McCall 317033500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 317133500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 317233500955d731c73717af52088b7fc0e7a85681e7John McCall 3173ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context) { 317433500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 317533500955d731c73717af52088b7fc0e7a85681e7John McCall } 317633500955d731c73717af52088b7fc0e7a85681e7John McCall 317733500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 317833500955d731c73717af52088b7fc0e7a85681e7John McCall ASTContext &Context, 317933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 318033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 318133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 318233500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 318333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 318433500955d731c73717af52088b7fc0e7a85681e7John McCall 318533500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 318633500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 318733500955d731c73717af52088b7fc0e7a85681e7John McCall } 318833500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 318933500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 319033500955d731c73717af52088b7fc0e7a85681e7John McCall } 319133500955d731c73717af52088b7fc0e7a85681e7John McCall}; 319233500955d731c73717af52088b7fc0e7a85681e7John McCall 31937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \brief Represents a pack expansion of types. 31947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 31957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Pack expansions are part of C++0x variadic templates. A pack 31967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// expansion contains a pattern, which itself contains one or more 31977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// "unexpanded" parameter packs. When instantiated, a pack expansion 31987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// produces a series of types, each instantiated from the pattern of 31997536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// the expansion, where the Ith instantiation of the pattern uses the 32007536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Ith arguments bound to each of the unexpanded parameter packs. The 32017536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// pack expansion is considered to "expand" these unexpanded 32027536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// parameter packs. 32037536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 32047536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \code 32057536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> struct tuple; 32067536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 32077536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> 32087536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// struct tuple_of_references { 32097536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// typedef tuple<Types&...> type; 32107536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// }; 32117536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \endcode 32127536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 32137536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Here, the pack expansion \c Types&... is represented via a 32147536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// PackExpansionType whose pattern is Types&. 32157536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorclass PackExpansionType : public Type, public llvm::FoldingSetNode { 32167536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief The pattern of the pack expansion. 32177536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Pattern; 32187536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 32197536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType(QualType Pattern, QualType Canon) 32207536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor : Type(PackExpansion, Canon, /*Dependent=*/true, 32217536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*VariableModified=*/Pattern->isVariablyModifiedType(), 32227536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 32237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Pattern(Pattern) { } 32247536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 32257536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor friend class ASTContext; // ASTContext creates these 32267536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 32277536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorpublic: 32287536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief Retrieve the pattern of this pack expansion, which is the 32297536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// type that will be repeatedly instantiated when instantiating the 32307536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// pack expansion itself. 32317536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType getPattern() const { return Pattern; } 32327536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 32337536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor bool isSugared() const { return false; } 32347536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType desugar() const { return QualType(this, 0); } 32357536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 32367536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 32377536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Profile(ID, getPattern()); 32387536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 32397536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 32407536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, QualType Pattern) { 32417536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor ID.AddPointer(Pattern.getAsOpaquePtr()); 32427536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 32437536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 32447536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const Type *T) { 32457536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return T->getTypeClass() == PackExpansion; 32467536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 32477536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const PackExpansionType *T) { 32487536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return true; 32497536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 32507536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor}; 32517536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 3253c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 3254c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 3255c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3256c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 3257c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 3258c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 3259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 3261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 3262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 3264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3265e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 3266e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 3267e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 3268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3269e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 3270e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 3271e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 3272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 3273b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 3274b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 327571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 327671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 327771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 327871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 327971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 328071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 328171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 3282c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 3283c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 3284c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 3285c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3286c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 3287c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 3288c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3289c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3290c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 3291c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3292c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 3293c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 3294c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 3295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 3297c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 3298d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(ObjCInterface, QualType(), false, false, false), 329971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 3300b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 330171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 3302c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 33033536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 3304e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 3305e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 3306e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 3307e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 3308e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 3309e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 3310c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 331171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 3312c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 3313c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 3314c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3315c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 3316c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 3317c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3318c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 3319c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 3320c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 3321c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 3322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 3323c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 3324c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 3325c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 3326c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3327c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 3328c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 3329c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3330c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 3331c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 3332c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 3333c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3334c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 3335c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3336c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 3337c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 3338c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3339c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 33401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3341c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 3342c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 3343b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 334414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3345c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 334673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 334773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 334873dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 334973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 335073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3351bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3352bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3353bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3354c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 3355c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 3356c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 3357c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3358c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 3359c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 3360c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3361c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 3362c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 3363c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 3364c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 3365c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 3366c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 3367c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3368c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 3369c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 3370c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3371c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 3372c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 3373c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 3374c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 3375c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3376c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3377c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 33781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 3379c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 3380c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 3381c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 3382c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 33831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3384c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 3385c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 3386c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 3387c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3388c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3389c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 3390c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 3391c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 3392c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 3393c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 3394e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 3395e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 3396e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 3397e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 3398e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 3399e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 3400e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 3401e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 3402c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 3403c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 3404c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3405c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 3406c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 3407c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 3408c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 34091fb0caaa7bef765b85972274e3b434af2572c141John McCall 3410c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3411e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 3412deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 3413c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3414c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 3415c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 34160b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 34171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 34181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 34193536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 3420a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 3421c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3422c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 3423c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 3424c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 3425c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 3426c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 3427c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 3428c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 3429c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 3430c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 3431c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 3432c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 34333536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 34343536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 3435c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 3436c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 3437c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 3438c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 3439c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 3440c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3441c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3442e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 3443e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 3444e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 3445e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 3446e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 3447e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 344814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 3449e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 3450e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 345114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 3452e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 34531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3454c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 3455d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(ObjCObjectPointer, Canonical, false, false, false), 3456c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 345714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 34581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 345914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 3460e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 3461e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 346214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 346314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3464e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 3465e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 3466e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3467e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 3468e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 3469e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 3470e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 3471e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 3472e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 3473e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 3474e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 3475e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 3476e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 3477e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 3478e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 3479e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 3480e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 3481e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 3482e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 3483e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 3484e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 3485e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 3486c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 3487c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return PointeeType->getAs<ObjCObjectType>(); 3488c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3489c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3490e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 3491e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 3492e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 3493e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3494e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 34951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 3496c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 349714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3498e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3499e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 3500e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 3501e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3502e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 350314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 3504e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 350514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3506e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3507e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 3508e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 350914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 3510c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 351114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3512e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3513e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 3514e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 351514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 3516c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 3517de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 35188d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 3519e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 3520e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 35211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 3522c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 3523de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 3524e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3525e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 3526e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 3527470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 3528c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 352914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3530e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3531e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 3532e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 3533e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 3534c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 353514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 353671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 3537c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 353871842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3539c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 3540c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 354171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3542c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 354314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3544e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 3545e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 3546c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 3547c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 3548c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 354914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3550e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 3551e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 355273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 3553c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 355473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 355573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3556bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3557bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3558bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3559e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3560e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 3561e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 3562c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 3563c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 3564c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 35651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 35661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 356714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 356814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 356914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 35701bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 35710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 35720953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 35730953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 357449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 35750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 35770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// unqualified type. 35780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *strip(QualType QT) { 3579a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor addFastQualifiers(QT.getLocalFastQualifiers()); 3580a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (QT.hasLocalNonFastQualifiers()) { 35810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = QT.getExtQualsUnsafe(); 35820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(EQ->getQualifiers()); 35830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getBaseType(); 35840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QT.getTypePtrUnsafe(); 35860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 358949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType apply(ASTContext &Context, QualType QT) const; 35900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 359249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType apply(ASTContext &Context, const Type* T) const; 35930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 35940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3596611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 35975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3598467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 3599467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall const Type *T = getTypePtr(); 3600a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) 3601467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified() && !isa<ArrayType>(T); 3602467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified(); 3603467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 3604467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 360554e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 3606a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 3607745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 360854e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 3609745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if ((*this)->isPointerType()) { 3610745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType BaseType = (*this)->getAs<PointerType>()->getPointeeType(); 3611745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (isa<VariableArrayType>(BaseType)) { 3612745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArrayType *AT = dyn_cast<ArrayType>(BaseType); 3613745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian VariableArrayType *VAT = cast<VariableArrayType>(AT); 3614745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (VAT->getSizeExpr()) 3615745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = BaseType.getTypePtr(); 3616745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 3617745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 361854e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->isCanonicalUnqualified() && 361954e14c4db764c0636160d26c5bbf491637c83a76John McCall !isa<FunctionType>(T) && !isa<ArrayType>(T); 362054e14c4db764c0636160d26c5bbf491637c83a76John McCall} 362154e14c4db764c0636160d26c5bbf491637c83a76John McCall 3622fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 3623fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 3624fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalConstQualified(); 3625fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3626fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3627fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 3628fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 3629fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalRestrictQualified(); 3630fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3631fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3632fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3633fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 3634fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 3635fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalVolatileQualified(); 3636fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3637fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3638fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 3639fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 3640fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers(); 3641fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3642fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3643fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline Qualifiers QualType::getQualifiers() const { 3644fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers Quals = getLocalQualifiers(); 3645fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Quals.addQualifiers( 3646fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalQualifiers()); 3647fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return Quals; 3648fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3649fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3650fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline unsigned QualType::getCVRQualifiers() const { 3651fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getLocalCVRQualifiers() | 3652fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalCVRQualifiers(); 3653fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3654e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 3655e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// getCVRQualifiersThroughArrayTypes - If there are CVR qualifiers for this 3656e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type, returns them. Otherwise, if this is an array type, recurses 3657e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// on the element type until some qualifiers have been found or a non-array 3658e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type reached. 3659e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruthinline unsigned QualType::getCVRQualifiersThroughArrayTypes() const { 3660e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (unsigned Quals = getCVRQualifiers()) 3661e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return Quals; 3662e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3663e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3664e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return AT->getElementType().getCVRQualifiersThroughArrayTypes(); 3665e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return 0; 3666e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth} 3667e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 366849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 366949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 36700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 36710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 367249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 367349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 36740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 36750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 367649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 367749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 36780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 36790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 368049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 36816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 3682c3c0af36bac3d71f61dd758585ab307892545de4Douglas Gregor assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask); 36830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 36840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 368549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 3686ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3687ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 3688ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 3689ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 3690a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 36910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 36920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 36930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 36940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 36950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 36964243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3697a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 36980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 36990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 37000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 37010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 37020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 37034243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3704c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT->getElementType().getAddressSpace(); 37054243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const RecordType *RT = dyn_cast<RecordType>(CT)) 37068e7dafec4b70303dfaff95151cd06bfc5532720cNate Begeman return RT->getAddressSpace(); 3707ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb return 0; 3708ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3709611c1fff195d32df97706e0920c92468b2509900Chris Lattner 3710d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 37110953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 3712a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 37130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 37140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 37150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 37160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 37170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3718d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3719a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 37200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 37210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 37220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 37230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 37240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3725d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3726d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return AT->getElementType().getObjCGCAttr(); 3727183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *PT = CT->getAs<ObjCObjectPointerType>()) 37281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 3729ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian // We most look at all pointer types, not just pointer to interface types. 3730ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian if (const PointerType *PT = CT->getAs<PointerType>()) 37311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 37320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 3733d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 37342455636163fdd18581d7fdae816433f886d88213Mike Stump 3735264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 3736264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 3737183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 3738264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 3739264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 3740264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 37412455636163fdd18581d7fdae816433f886d88213Mike Stump 3742264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 37432455636163fdd18581d7fdae816433f886d88213Mike Stump} 37441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3745264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 3746264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 3747ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 3748ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 3749b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// \brief Determine whether this set of qualifiers is a superset of the given 3750b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// set of qualifiers. 3751b87786f045d798b070980c108c922e1475d27b15Douglas Gregorinline bool Qualifiers::isSupersetOf(Qualifiers Other) const { 3752b87786f045d798b070980c108c922e1475d27b15Douglas Gregor return Mask != Other.Mask && (Mask | Other.Mask) == Mask; 3753b87786f045d798b070980c108c922e1475d27b15Douglas Gregor} 3754b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 3755e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 3756e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 3757e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 3758e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 3759e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 3760e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isMoreQualifiedThan(QualType Other) const { 37610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3762e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3763e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3764ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3765ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3766e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return MyQuals != OtherQuals && (MyQuals | OtherQuals) == MyQuals; 3767e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3768e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3769e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 3770e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 3771e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 3772e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 3773e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isAtLeastAsQualifiedAs(QualType Other) const { 37740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3775e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3776e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3777ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3778ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3779e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return (MyQuals | OtherQuals) == MyQuals; 3780e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3781e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3782e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 3783e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 3784e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 3785e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 3786e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 3787e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 3788e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 3789e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 3790e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 3791e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 37926217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 3793e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 3794e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 3795e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 3796e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3797e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3798611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 3799a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 3800611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3801611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 3802a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 3803611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 380458f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 380558f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 380658f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 38075618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 3808a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 38095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 3810bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 3811a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 3812bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 38137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 3814a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 38157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 38167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 3817a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 38187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 3819498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 38206217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* T = getAs<PointerType>()) 3821498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 3822498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 3823498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 3824498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 3825f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 3826a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 3827f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3828f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 38296217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 38300bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 3831f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 3832f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 3833f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3834db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 3835db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 38360bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 3837db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 3838db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 3839db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 3840611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 3841a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 3842611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3843c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 3844a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 3845c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3846c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 3847a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 3848c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3849c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 3850a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 3851c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3852898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 3853a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 3854898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 38553ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 38563ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 38573ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3858611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 3859a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 3860611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 38613ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 38623ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 38633ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3864f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 3865a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 3866f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 3867611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 3868a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 3869611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3870213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 3871a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 3872611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3873d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 3874a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 3875d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 3876c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 3877c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 3878368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 3879569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 3880569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 3881569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 3882569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 3883569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 3884a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 3885183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3886d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 3887d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 3888d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 3889470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 3890183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3891470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 3892470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 3893470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 389414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 3895183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 389614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 389714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 389814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 389914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 3900183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 390114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 390214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 390314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 390413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 39058d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 39068d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 390713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 390813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 3909de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 391013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 3911de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 391272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 3913a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 391472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 391572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3916e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 3917183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 3918e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 3919e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 3920e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 3921e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 3922e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 39232a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 39242a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 39252a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 39262a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 39272a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 39282a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3929063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 3930063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 3931063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 3932063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 3933904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 3934904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 39358958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 39368958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 3937c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 39388958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 39398958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 3940820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 3941c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 3942820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 3943820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 394422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 394522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 394622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 394722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 394822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 394922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 395022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 395122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 39521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 395347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 395447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 395547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 395647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 395747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 395847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 395947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 396047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 396147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 396289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 396389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 396489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 396589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 396689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 396789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 396889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 396989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 397089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 397189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 39721a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 39731a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 397489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 397589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 397689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 39771a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 39781a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 39791a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 39801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39811a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 39820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 39831a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 39841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 39861a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 3987bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 39881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 398922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 39905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 39915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 39925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3993