Type.h revision 788b0fd67e1992f23555454efcdb16a19dfefac3
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" 21e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/Support/Casting.h" 2450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 25fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 265cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 275cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 281734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::isa; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast_or_null; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast_or_null; 356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignmentInBits = 3, 386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 40aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 41aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 42aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 454e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 464e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 47daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 48bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 49bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 50bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 54bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 56bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 66aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 67aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 68aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 694e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 704e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TypedefDecl; 7455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 76aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 8049aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8221d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 83a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 84a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 85a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 86ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 88b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 9092866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 92833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 93d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 94ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall class Type; 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. 1310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastWidth = 2, 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 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 2750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 2760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 2930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 2940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 2950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 2960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 3010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3030953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bits: |0 1 2|3 .. 4|5 .. 31| 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // |C R V|GCAttr|AddrSpace| 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceMask = ~(CVRMask | GCAttrMask); 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceShift = 5; 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// ExtQuals - We can encode up to three bits in the low bits of a 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// type pointer, but there are many more type qualifiers that we want 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// to be able to apply to an arbitrary type. Therefore we have this 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// struct, intended to be heap-allocated and used by QualType to 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// store qualifiers. 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// The current design tags the 'const' and 'restrict' qualifiers in 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// two low bits on the QualType pointer; a third bit records whether 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// the pointer is an ExtQuals node. 'const' was chosen because it is 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// orders of magnitude more common than the other two qualifiers, in 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// both library and user code. It's relatively rare to see 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'restrict' in user code, but many standard C headers are saturated 3280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// with 'restrict' declarations, so that representing them efficiently 3290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// is a critical goal of this representation. 3300953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass ExtQuals : public llvm::FoldingSetNode { 3310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // NOTE: changing the fast qualifiers should be straightforward as 3320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // long as you don't make 'const' non-fast. 3330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 1. Qualifiers: 3340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 3350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers must occupy the low-order bits. 3360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update Qualifiers::FastWidth and FastMask. 3370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 2. QualType: 3380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 3390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update remove{Volatile,Restrict}, defined near the end of 3400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this header. 3410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 3. ASTContext: 3420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update get{Volatile,Restrict}Type. 3430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Context - the context to which this set belongs. We save this 3450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// here so that QualifierCollector can use it to reapply extended 3460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers to an arbitrary type without requiring a context to 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// be pushed through every single API dealing with qualifiers. 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext& Context; 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// BaseType - the underlying type that this qualifies 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType; 3520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Quals - the immutable set of qualifiers applied by this 3540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// node; always contains extended qualifiers. 3550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 3560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3570953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals(ASTContext& Context, const Type *Base, Qualifiers Quals) 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Context(Context), BaseType(Base), Quals(Quals) 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall { 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(Quals.hasNonFastQualifiers() 3620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with no fast qualifiers"); 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with fast qualifiers"); 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getQualifiers() const { return Quals; } 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Quals.hasVolatile(); } 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getBaseType() const { return BaseType; } 3781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext &getContext() const { return Context; } 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getBaseType(), Quals); 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType, 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals) { 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddPointer(BaseType); 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.Profile(ID); 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 394ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 395ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 396ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 397ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 398ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 399f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 400f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86ThisCall // __attribute__((thiscall)) 401ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 402ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4160953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 429fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedTypeSlow() const; 430fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4335cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4355cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 440a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 441a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type *getTypePtr() const { 447a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 4480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getExtQualsUnsafe()->getBaseType()); 4490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getTypePtrUnsafe()); 4500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4525cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static QualType getFromOpaquePtr(void *Ptr) { 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 4555cf243a883872441d73ca49cea7e20de5802629bChris Lattner T.Value.setFromOpaqueValue(Ptr); 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type &operator*() const { 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *operator->() const { 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 467467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 46854e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 469467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 4720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 475a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 476a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 477a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 478a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 479a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 4800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 481a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 482a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 483fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 484a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 485a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 486a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 487a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 488a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 489a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 490a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 491a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 492a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 493fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 494a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 495a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 496a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 497a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 498a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 499a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (hasLocalNonFastQualifiers() && getExtQualsUnsafe()->hasVolatile()); 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 502a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 503fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 504a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 505a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 506a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 507a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 508a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 509a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 512a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 513fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 514a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 515a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 516a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 517a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 518a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 522a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 523a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 524a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 525a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers getLocalQualifiers() const { 5260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 527a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 5280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals = getExtQualsUnsafe()->getQualifiers(); 529a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Quals.addFastQualifiers(getLocalFastQualifiers()); 5300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 5310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 533a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 534fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 535a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 536a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 537a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned CVR = getLocalFastQualifiers(); 541a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (isLocalVolatileQualified()) 542a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CVR |= Qualifiers::Volatile; 5430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CVR; 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 545b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 546a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 547a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 548fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 549e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 550e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 551e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// applied to this type, looking through any number of unqualified array 552e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// types to their element types' qualifiers. 553e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned getCVRQualifiersThroughArrayTypes() const; 554e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 555bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 556bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 557bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 5600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 5610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 5630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 5640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 5650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 5670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 5680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 5710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 5720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 5730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 5740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 576a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // FIXME: The remove* functions are semantically broken, because they might 577a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // not remove a qualifier stored on a typedef. Most of the with* functions 578a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // have the same problem. 5790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst(); 5800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile(); 5810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict(); 5820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned Mask); 5830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { Value.setInt(0); } 5850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned Mask) { 5860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 5870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 5880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 5910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 5920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 5930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 5940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 5950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 5960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5971c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 5980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 5990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 6000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withExactFastQualifiers(unsigned TQs) const { 6010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withoutFastQualifiers().withFastQualifiers(TQs); 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 6050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withoutFastQualifiers() const { 6060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.removeFastQualifiers(); 6080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 609c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 610971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 611a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 612a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 613a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 614a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 616a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return the unqualified form of the given type, which might be 617a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// desugared to eliminate qualifiers introduced via typedefs. 618fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedType() const { 619fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType T = getLocalUnqualifiedType(); 620fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor if (!T.hasQualifiers()) 621fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return T; 622fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 623fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getUnqualifiedTypeSlow(); 624a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 625a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 626e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 627e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 628e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6302fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 6312fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 6322fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 6332fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 6342fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 6352fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 6360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 6370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 638bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType getDesugaredType() const { 639bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::getDesugaredType(*this); 640bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 64198cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 64450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 64550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 64750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 64850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 650d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString() const; 651d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 652d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 654d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 6555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 657e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 658e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy) const; 6591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 660c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 661c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 6621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6633f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 6643f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 6653f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 6665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 667ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 668ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 670d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 6710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 672f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 673f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 674f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 6750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 676f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 677f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 678f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 679f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 6800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 681f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 6822455636163fdd18581d7fdae816433f886d88213Mike Stump 683bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 684bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 685bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 686bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 687bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 688bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static QualType getDesugaredType(QualType T); 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef ::clang::Type* SimpleType; 6985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Val.getTypePtr(); 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 7041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7054e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 7064e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 707daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 7084e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 7094e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 7104e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 7114e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7124e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 7134e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 7144e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 7160eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 7174e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 7181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71973af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 73472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 73772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Type { 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 75172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 75227935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 75372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 75472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 75572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 7571bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 759c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 760c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 761c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CanonicalType; 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 76527935ee59c30b0d8b610ab676aab8e65350af932John McCall unsigned TC : 8; 76627935ee59c30b0d8b610ab676aab8e65350af932John McCall 76727935ee59c30b0d8b610ab676aab8e65350af932John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Note that this should stay at the end of the ivars for Type so that 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// subclasses can pack their bitfields into the same word. 77027935ee59c30b0d8b610ab676aab8e65350af932John McCall bool Dependent : 1; 77160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 77260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Whether the linkage of this type is already known. 77360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor mutable bool LinkageKnown : 1; 77460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 77560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Linkage of this type. 77660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor mutable unsigned CachedLinkage : 2; 77760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 77960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Compute the linkage of this type. 78060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 78160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 78260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor enum { BitsRemainingInType = 20 }; 783c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 784124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 785124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 786898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Type(TypeClass tc, QualType Canonical, bool dependent) 787f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner : CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical), 78860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor TC(tc), Dependent(dependent), LinkageKnown(false), 78960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor CachedLinkage(NoLinkage) {} 790898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor virtual ~Type() {} 7914b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek virtual void Destroy(ASTContext& C); 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7948b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 795a8ae51f79d35b7c1822ba4a086176b4a8c862862Hartmut Kaiser TypeClass getTypeClass() const { return static_cast<TypeClass>(TC); } 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 797467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 798467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return CanonicalType.getTypePtr() == this; 799467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 8031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 804bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// \brief Determines whether the type describes an object in memory. 805bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// 806bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// Note that this definition of object type corresponds to the C++ 807bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// definition of object type, which includes incomplete types, as 808bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// opposed to the C definition (which does not include incomplete 809bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// types). 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isObjectType() const; 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 8151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 817d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 818d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 819d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 820d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 821d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 822d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 82364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 82464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 82564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl bool isPODType() const; 82664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 827ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 828ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 829ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 830ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 831d7444aac1af1c2c1d5e5b7467ecf6006ee2d8abeSteve Naroff /// isVariablyModifiedType (C99 6.7.5.2p2) - Return true for variable array 832d7444aac1af1c2c1d5e5b7467ecf6006ee2d8abeSteve Naroff /// types that have a non-constant expression. This does not include "[]". 833d7444aac1af1c2c1d5e5b7467ecf6006ee2d8abeSteve Naroff bool isVariablyModifiedType() const; 8341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 836ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 837e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 8389b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 8399b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 8409b065ddabf572772991a4aadad5bf4921fac5069Tom Care 841e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 842e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 8431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84496d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 84596d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 84713b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 84813b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 84913b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 85077a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 85120093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 8529d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 85320093b4bf698f292c664676987541d5103b65b15Douglas Gregor 8542ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 8552ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 8562ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 8575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 85902f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 86002f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 862f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 866c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 867c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 868c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 869d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 8701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 871c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 872ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 873c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 874183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 875183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 876befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 87758f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 8785618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 8797154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 880a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 8817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 8827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 883bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 884f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 885f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 886c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 887c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 888c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 889c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 890898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 891c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 8921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 8931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 894fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 8954cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 896368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 897368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 898213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 899d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff bool isObjCObjectPointerType() const; // Pointer to *any* ObjC object. 90014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 90114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 902c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 903368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 904368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 905470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 90614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 90714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 90813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 909de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 91072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 9116e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 912898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 913898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 915898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 916898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentType() const { return Dependent; } 917063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 91872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 9194033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 9204033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 9214033642464e8ba0982f88f34cffad808d247b393Douglas Gregor 9228958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 9238958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 9248958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 9256e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 9268958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 9278958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 928820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 929820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 9301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 931820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 9328eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 9338eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 9348eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 9358eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor 936c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 937f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 938f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 939769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 940898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 941c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 9424cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 94314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 94414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 94514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 94614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 947c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 948a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 9491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 950c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 951c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 952c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 953c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 954c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 9551a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // Member-template getAs<specific type>'. This scheme will eventually 9561a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // replace the specific getAsXXXX methods above. 957183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // 958183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // There are some specializations of this member template listed 959183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // immediately following this class. 9601a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 962c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 963c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 964c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 965c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 967f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 968f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 96914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 9701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 971bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 972bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 973bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 974bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 9775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 9785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 980d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 981d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 982d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// integer element type. 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 986d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 987d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 988d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// element type. 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 990d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 9915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 9929bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 9939bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 9943c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 995c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 99622b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 99722b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 99822b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 99922b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 10000b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 100160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 100260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 100360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 100460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 100560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 100660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 10070b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1008ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1009ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1010ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1011ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1012c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1016183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1017183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1018183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1019183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1020183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1021183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1022183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1023183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1024183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 10250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1026183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1027183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1028183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1029183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 10325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 10335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 10361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 10385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 1040f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1041f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 10435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 10445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 10455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 10462df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 10471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 10502ff9b4c7c8fed9233a0b8de2e9507368c451aab6Argyrios Kyrtzidis WChar, // This is 'wchar_t' for C++. 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 10525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 10552df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 10561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10578e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 10588e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 10596e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 10606e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 1061898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Overload, // This represents the type of an overloaded function declaration. 1062e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson Dependent, // This represents the type of a type-dependent expression. 10631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1064de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff UndeducedAuto, // In C++0x, this represents the type of an auto variable 1065e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // that has not been deduced yet. 1066e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1067e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'id' type. The type pointed to by the 1068e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'id' type. Only ever shows up in an AST as the base 1069e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type of an ObjCObjectType. 1070e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCId, 1071e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1072e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'Class' type. The type pointed to by the 1073e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'Class' type. Only ever shows up in an AST as the 1074e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// base type of an ObjCObjectType. 1075e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCClass, 1076e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 107713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSel // This represents the ObjC 'SEL' type. 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 10795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Kind TypeKind; 108160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 108260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 108360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 108460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 10871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent)), 1088898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor TypeKind(K) {} 10891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Kind getKind() const { return TypeKind; } 1091e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 10921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1093bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1094bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1095bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1096680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 1097680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Bool && TypeKind <= Int128; 1098680523a91dd3351389667c8de17121ba7ae82673John McCall } 1099680523a91dd3351389667c8de17121ba7ae82673John McCall 1100680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 1101680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Char_S && TypeKind <= Int128; 1102680523a91dd3351389667c8de17121ba7ae82673John McCall } 1103680523a91dd3351389667c8de17121ba7ae82673John McCall 1104680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 1105680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Bool && TypeKind <= UInt128; 1106680523a91dd3351389667c8de17121ba7ae82673John McCall } 1107680523a91dd3351389667c8de17121ba7ae82673John McCall 1108680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 1109680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Float && TypeKind <= LongDouble; 1110680523a91dd3351389667c8de17121ba7ae82673John McCall } 1111680523a91dd3351389667c8de17121ba7ae82673John McCall 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 11221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Type(Complex, CanonicalPtr, Element->isDependentType()), 1123898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 112660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 112760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 112860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 112960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1133bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1134bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1135bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 11385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 114768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1148bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 114968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1150bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 115368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar Type(Pointer, CanonicalPtr, Pointee->isDependentType()), PointeeType(Pointee) { 11545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 115660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 115760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 115860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 115960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 116268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 116368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1164bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1165bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1166bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11785618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 11795618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 11805618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 11815618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 11825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 11835618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 11845618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 11851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Type(BlockPointer, CanonicalCls, Pointee->isDependentType()), 1186898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 11875618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 11885618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 118960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 119060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 119160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 119260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 11935618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 11941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11955618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 11965618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 11975618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1198bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1199bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1200bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 12015618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 12025618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 12035618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12045618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 12055618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 12065618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 12105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12115618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 12125618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 12135618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 121668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 121768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 121868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 121954e14c4db764c0636160d26c5bbf491637c83a76John McCall /// True if the type was originally spelled with an lvalue sigil. 122054e14c4db764c0636160d26c5bbf491637c83a76John McCall /// This is never true of rvalue references but can also be false 122154e14c4db764c0636160d26c5bbf491637c83a76John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 122254e14c4db764c0636160d26c5bbf491637c83a76John McCall /// as follows: 122354e14c4db764c0636160d26c5bbf491637c83a76John McCall /// 122454e14c4db764c0636160d26c5bbf491637c83a76John McCall /// typedef int &ref; // lvalue, spelled lvalue 122554e14c4db764c0636160d26c5bbf491637c83a76John McCall /// typedef int &&rvref; // rvalue 122654e14c4db764c0636160d26c5bbf491637c83a76John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 122754e14c4db764c0636160d26c5bbf491637c83a76John McCall /// ref &&a; // lvalue, inner ref 122854e14c4db764c0636160d26c5bbf491637c83a76John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 122954e14c4db764c0636160d26c5bbf491637c83a76John McCall /// rvref &&a; // rvalue, inner ref 123054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue; 123154e14c4db764c0636160d26c5bbf491637c83a76John McCall 123254e14c4db764c0636160d26c5bbf491637c83a76John McCall /// True if the inner type is a reference type. This only happens 123354e14c4db764c0636160d26c5bbf491637c83a76John McCall /// in non-canonical forms. 123454e14c4db764c0636160d26c5bbf491637c83a76John McCall bool InnerRef; 123554e14c4db764c0636160d26c5bbf491637c83a76John McCall 12367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 123754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 123854e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 12397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Type(tc, CanonicalRef, Referencee->isDependentType()), 124054e14c4db764c0636160d26c5bbf491637c83a76John McCall PointeeType(Referencee), SpelledAsLValue(SpelledAsLValue), 124154e14c4db764c0636160d26c5bbf491637c83a76John McCall InnerRef(Referencee->isReferenceType()) { 12425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 124360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 124460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 124560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 12465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 124754e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isSpelledAsLValue() const { return SpelledAsLValue; } 124873dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor bool isInnerRef() const { return InnerRef; } 124973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 125054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 125154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 125254e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 125354e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 125454e14c4db764c0636160d26c5bbf491637c83a76John McCall while (T->InnerRef) 125554e14c4db764c0636160d26c5bbf491637c83a76John McCall T = T->PointeeType->getAs<ReferenceType>(); 125654e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 125754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 125868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 126054e14c4db764c0636160d26c5bbf491637c83a76John McCall Profile(ID, PointeeType, SpelledAsLValue); 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 126254e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 126354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 126454e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 126654e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 12675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 12707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 12717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 12727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 12747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 12757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 12777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 12787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 127954e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 128054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 128154e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 128254e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 12837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 12847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1285bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1286bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1287bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 12887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 12897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 12907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 12927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 12937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 12957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 12967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 12977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 129854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 12997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 13017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1302bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1303bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1304bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 13057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 13067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 13077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1309f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1310f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1311f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1312f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1313f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1314f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1315f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1316f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1317f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1318f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1319f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1320f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 1321f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Cls->isDependentType() || Pointee->isDependentType()), 1322f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1323f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1324f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 132560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 132660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 132760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 132860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1329f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1330f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1331f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1332f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1333f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1334f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1335bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1336bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1337bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1338f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1339f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1340f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1341f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 1342f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 1343f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 1344f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 1345f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1346f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1347f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 1348f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 1349f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1350f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 13515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13552e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 1358898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 1359898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 1360898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 13615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 13625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 13635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 13645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1365fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 1366fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 13671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1368ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek // NOTE: VC++ treats enums as signed, avoid using the ArraySizeModifier enum 1369c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff /// NOTE: These fields are packed into the bitfields space in the Type class. 1370ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek unsigned SizeModifier : 2; 13711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1372c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff /// IndexTypeQuals - Capture qualifiers in declarations like: 1373c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff /// 'int X[static restrict 4]'. For function parameters only. 1374c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned IndexTypeQuals : 3; 13751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1376fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 1377898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 1378898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 1379898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 1380898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 1381898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 1382c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 1383c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 1384898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray), 1385898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(et), SizeModifier(sm), IndexTypeQuals(tq) {} 1386898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1387fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 138860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 138960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 139060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1391fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1392fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 1393ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 1394ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek return ArraySizeModifier(SizeModifier); 1395ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 13960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 13970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::fromCVRMask(IndexTypeQuals); 13980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 13990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getIndexTypeCVRQualifiers() const { return IndexTypeQuals; } 14001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1401fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 1402fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 1403c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 1404898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 1405898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 1406fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1407fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 1408fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1409fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 14107e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 14117e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 14127e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 14137e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 14142e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 1415fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 14161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14170be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 1418c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 14197e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq), 14207e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 14217e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 14227e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 14237e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 14247e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(tc, et, can, sm, tq), Size(size) {} 1425fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1426fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1427c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 1428bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1429bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1430bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1431fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 14321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 14330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 1434fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1435fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 14360be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 14370be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 1438fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 1439fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 14400be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 14410be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1442fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 14437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 144446a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 1445fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1446fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 1447fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1448fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 1449da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 1450da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 1451da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 1452c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 14537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1454c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 14557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 1456c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman : ArrayType(IncompleteArray, et, can, sm, tq) {} 1457c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 1458c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 1459bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1460bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1461bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 14631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 1464c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1465c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 14661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1467c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 14681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1469c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 14700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 14710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 1472c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 14731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14740be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 14750be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 1476c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 14770be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 14780be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1479c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1480c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 1481c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1482da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 1483da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 1484da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 1485da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1486da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 1487da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 1488da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 1489da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 1490da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1491da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 1492da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 1493da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 1494da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 1495da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 1496da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 14972e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 14981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 14991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 1500b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 15017e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 15027e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 15037e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1504c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 15057e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 15067e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 15077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq), 15087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 15095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 15104b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek virtual void Destroy(ASTContext& C); 15114b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 15125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 15131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1514b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 1515b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 1516b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 1517b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 15187e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 15197e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 15207e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 15211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1522bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1523bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1524bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 15261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 15275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1528fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 15291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 153092866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 15311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15322bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 1533bc5e150b6d94cf131f7d01bc715571b741c5b408Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 15342bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 15355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 15365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1537898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 1538898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 1539cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1540cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 15411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 1542898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 1543898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 1544898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 1545cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 1546cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1547898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 1548898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 1549898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 1550898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 155104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASTContext &Context; 15521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1553cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 1554898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 1555cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 1556cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 1557cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 1558898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 1559cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 15607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 15617e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 15621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedArrayType(ASTContext &Context, QualType et, QualType can, 156404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 15657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 15667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(DependentSizedArray, et, can, sm, tq), 156704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Context(Context), SizeExpr((Stmt*) e), Brackets(brackets) {} 1568898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 1569898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor virtual void Destroy(ASTContext& C); 1570898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1571898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 15721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1573898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 1574898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 1575898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 1576898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 15777e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 15787e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 15797e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 15801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1581bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1582bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1583bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 15851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 1586898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1587898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 15881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1589898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 15901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1592898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 15931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 15940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 1595898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 15961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 15981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 159904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 1600898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 1601898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1602f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 16039cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 16049cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 16059cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 16069cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 16079cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 16089cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 16099cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 16102ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 16112ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor ASTContext &Context; 16129cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 16139cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 16149cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 16159cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 16161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType(ASTContext &Context, QualType ElementType, 16182ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc) 16191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type (DependentSizedExtVector, can, true), 16201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context(Context), SizeExpr(SizeExpr), ElementType(ElementType), 16212ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor loc(loc) {} 16229cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 16239cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor virtual void Destroy(ASTContext& C); 16249cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 16259cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 16262ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 16279cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 16289cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 16299cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 1630bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1631bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1632bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 16341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 16359cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 16361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 16372ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 16382ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 16392ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 16402ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16422ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 16432ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 16449cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 16451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16469cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 164773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 16481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 164982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 165082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 165173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 16525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 1653788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 1654788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner enum AltiVecSpecific { 1655788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner NotAltiVec, // is not AltiVec vector 1656788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner AltiVec, // is AltiVec vector 1657788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Pixel, // is AltiVec 'vector Pixel' 1658788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Bool // is AltiVec 'vector bool ...' 1659788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 166073322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 16615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 16625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 16631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumElements - The number of elements in the vector. 16655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumElements; 16661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1667788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner AltiVecSpecific AltiVecSpec; 166882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson 166982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 1670788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner AltiVecSpecific altiVecSpec) : 16711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Type(Vector, canonType, vecType->isDependentType()), 1672788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner ElementType(vecType), NumElements(nElements), AltiVecSpec(altiVecSpec) {} 16731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 1674788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner QualType canonType, AltiVecSpecific altiVecSpec) 16751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type(tc, canonType, vecType->isDependentType()), ElementType(vecType), 1676788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner NumElements(nElements), AltiVecSpec(altiVecSpec) {} 16775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 167860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 167960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 168060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 16815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 16821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 16841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumElements() const { return NumElements; } 16855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1686bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1687bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1688bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1689788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner AltiVecSpecific getAltiVecSpecific() const { return AltiVecSpec; } 1690788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 16915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 1692788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Profile(ID, getElementType(), getNumElements(), getTypeClass(), AltiVecSpec); 16935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 169582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 1696788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner unsigned AltiVecSpec) { 16975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 16985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 169973322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 1700788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner ID.AddInteger(AltiVecSpec); 170173322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 17020b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 17031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 17041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 17055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 17075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1709213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 1710213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 1711213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 1712fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 1713fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 1714213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 1715213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 1716788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType(ExtVector, vecType, nElements, canonType, NotAltiVec) {} 171773322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 171873322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 171988dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 172088dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 172188dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 172288dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 172388dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 172488dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 172588dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 172688dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 1727e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 1728353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 172988dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 1730353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 1731353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 1732353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 1733353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 1734353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 1735353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 1736353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 1737353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 1738353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 1739353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 1740353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 1741131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 1742353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 1743131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 1744353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 1745131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 1746353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 1747131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 1748353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 1749131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 1750353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 1751131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 1752353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 175388dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 1754e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 17551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1756b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 1757b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 1758353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 1759b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 17601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 176188dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 1762b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 176388dca0464804b8b26ae605f89784c927e8493dddChris Lattner return unsigned(idx-1) < NumElements; 176488dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 1765e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 1766bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1767bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1768bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 17701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 177173322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 1772213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 177373322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 177473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 17755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 177672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 17775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 17785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 1779bef0efd11bc4430a3ee437a3213cec5c18af855aChris Lattner virtual void ANCHOR(); // Key function for FunctionType. 1780bef0efd11bc4430a3ee437a3213cec5c18af855aChris Lattner 17815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SubClassData - This field is owned by the subclass, put here to pack 17825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// tightly with the ivars in Type. 17835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool SubClassData : 1; 1784971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 178572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 1786971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// other bitfields. 178772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// The qualifiers are part of FunctionProtoType because... 1788971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// 1789971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// C++ 8.3.5p4: The return type, the parameter type list and the 1790971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// cv-qualifier-seq, [...], are part of the function type. 1791971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// 1792971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned TypeQuals : 3; 17932455636163fdd18581d7fdae816433f886d88213Mike Stump 17942455636163fdd18581d7fdae816433f886d88213Mike Stump /// NoReturn - Indicates if the function type is attribute noreturn. 17952455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NoReturn : 1; 17961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1797425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola /// RegParm - How many arguments to pass inreg. 1798425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola unsigned RegParm : 3; 1799425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 1800ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// CallConv - The calling convention used by the function. 1801f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor unsigned CallConv : 3; 1802ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 18035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 18045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 1805264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1806264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 1807264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // This class is used for passing arround the information needed to 1808264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // construct a call. It is not actually used for storage, just for 1809264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // factoring together common arguments. 1810425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // If you add a field (say Foo), other than the obvious places (both, constructors, 1811425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // compile failures), what you need to update is 1812425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Operetor== 1813425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 1814425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 1815425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 1816425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 1817425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 1818425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 1819425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 1820425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 1821425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * PCH read and write 1822425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 1823425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 1824264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 1825264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 1826264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 1827264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // have all the elements (when reading a PCH file for example). 1828425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo(bool noReturn, unsigned regParm, CallingConv cc) : 1829425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola NoReturn(noReturn), RegParm(regParm), CC(cc) {} 1830264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1831264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 1832264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 1833425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo() : NoReturn(false), RegParm(0), CC(CC_Default) {} 1834264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1835264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola bool getNoReturn() const { return NoReturn; } 1836425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola unsigned getRegParm() const { return RegParm; } 1837264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv getCC() const { return CC; } 1838264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1839264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola bool operator==(const ExtInfo &Other) const { 1840264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getNoReturn() == Other.getNoReturn() && 1841425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola getRegParm() == Other.getRegParm() && 1842264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getCC() == Other.getCC(); 1843264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 1844264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola bool operator!=(const ExtInfo &Other) const { 1845264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return !(*this == Other); 1846264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 1847264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1848264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 1849264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 1850264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1851264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 1852425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return ExtInfo(noReturn, getRegParm(), getCC()); 1853425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 1854425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 1855425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 1856425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return ExtInfo(getNoReturn(), RegParm, getCC()); 1857264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 1858264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1859264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 1860425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return ExtInfo(getNoReturn(), getRegParm(), cc); 1861264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 1862264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1863264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola private: 1864264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // True if we have __attribute__((noreturn)) 1865264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola bool NoReturn; 1866425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // The value passed to __attribute__((regparm(x))) 1867425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola unsigned RegParm; 1868264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // The calling convention as specified via 1869f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor // __attribute__((cdecl|stdcall|fastcall|thiscall)) 1870264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv CC; 1871264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 1872264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 18735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1874971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis FunctionType(TypeClass tc, QualType res, bool SubclassInfo, 18752455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned typeQuals, QualType Canonical, bool Dependent, 1876264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const ExtInfo &Info) 1877898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Type(tc, Canonical, Dependent), 1878264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola SubClassData(SubclassInfo), TypeQuals(typeQuals), 1879264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NoReturn(Info.getNoReturn()), 1880425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola RegParm(Info.getRegParm()), CallConv(Info.getCC()), ResultType(res) {} 18815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool getSubClassData() const { return SubClassData; } 1882971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return TypeQuals; } 18835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 1886425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola unsigned getRegParmType() const { return RegParm; } 18872455636163fdd18581d7fdae816433f886d88213Mike Stump bool getNoReturnAttr() const { return NoReturn; } 1888ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallingConv getCallConv() const { return (CallingConv)CallConv; } 1889264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo getExtInfo() const { 1890425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return ExtInfo(NoReturn, RegParm, (CallingConv)CallConv); 1891264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 18925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 189304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 189404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 18955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 18965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 18975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 18985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 19005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 190272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 19035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 190472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 19052455636163fdd18581d7fdae816433f886d88213Mike Stump FunctionNoProtoType(QualType Result, QualType Canonical, 1906264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const ExtInfo &Info) 19071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : FunctionType(FunctionNoProto, Result, false, 0, Canonical, 1908264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola /*Dependent=*/false, Info) {} 19095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 191060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 191160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 191260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 191360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 19161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1917bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1918bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1919bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 1921264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 19225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19232455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 1924264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const ExtInfo &Info) { 1925264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ID.AddInteger(Info.getCC()); 1926425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ID.AddInteger(Info.getRegParm()); 1927264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ID.AddInteger(Info.getNoReturn()); 19285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 19295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 19325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 19335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 193472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 19355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 193772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 19385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 1939465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 1940465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 1941465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 194272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 1943898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// hasAnyDependentType - Determine whether there are any dependent 1944898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// types within the arguments passed in. 1945898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyDependentType(const QualType *ArgArray, unsigned numArgs) { 1946898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 1947898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (ArgArray[Idx]->isDependentType()) 19484b4218f48fef71a179c5a8287dae281580faf52fNate Begeman return true; 1949898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1950898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return false; 1951898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1952898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 195372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType(QualType Result, const QualType *ArgArray, unsigned numArgs, 1954465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned typeQuals, bool hasExs, 1955465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExs, const QualType *ExArray, 1956264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola unsigned numExs, QualType Canonical, 1957264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const ExtInfo &Info) 1958898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : FunctionType(FunctionProto, Result, isVariadic, typeQuals, Canonical, 19591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (Result->isDependentType() || 1960264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola hasAnyDependentType(ArgArray, numArgs)), 1961264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info), 1962465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs(numArgs), NumExceptions(numExs), HasExceptionSpec(hasExs), 1963465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl AnyExceptionSpec(hasAnyExs) { 1964942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner // Fill in the trailing argument array. 1965465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType *ArgInfo = reinterpret_cast<QualType*>(this+1); 19665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != numArgs; ++i) 19675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ArgInfo[i] = ArgArray[i]; 1968465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Fill in the exception array. 1969465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType *Ex = ArgInfo + numArgs; 1970465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl for (unsigned i = 0; i != numExs; ++i) 1971465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl Ex[i] = ExArray[i]; 19725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1973465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 19745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 1975465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumArgs : 20; 1976465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1977465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 1978465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumExceptions : 10; 1979465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1980465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// HasExceptionSpec - Whether this function has an exception spec at all. 1981465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool HasExceptionSpec : 1; 1982465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1983465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// AnyExceptionSpec - Whether this function has a throw(...) spec. 1984465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool AnyExceptionSpec : 1; 1985465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1986942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 1987942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 1988465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1989465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 1990465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 1991465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 19925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 19934b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 199460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 199560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 199660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 19995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 20005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2001942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 20025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2003465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2004465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec() const { return HasExceptionSpec; } 2005465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec() const { return AnyExceptionSpec; } 2006465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2007465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2008465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2009465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2010465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 20111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasEmptyExceptionSpec() const { 20121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return hasExceptionSpec() && !hasAnyExceptionSpec() && 2013a12823f6c0ec9e0e644a9d0ee153e973f49c63fcAnders Carlsson getNumExceptions() == 0; 2014d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 2015465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isVariadic() const { return getSubClassData(); } 2017971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2020942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2021942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2022942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2023942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2024465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2025465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2026465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2027465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2028465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2029465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2030465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 2031465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2032465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2033465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2034bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2035bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2036bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 20385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 20395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 204072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2041465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID); 20435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2044942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 2045465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned TypeQuals, 2046465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec, bool anyExceptionSpec, 20472455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExceptions, exception_iterator Exs, 2048264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const ExtInfo &ExtInfo); 20495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2052ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2053ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2054ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2055ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2056ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2057ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2058ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 205919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 206019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : Type(UnresolvedUsing, QualType(), true), 206119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2062ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2063ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2064ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2065ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2066ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2067ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2068ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2069ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2070ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2071ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2072ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2073ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2074ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2075ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2076ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2077ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2078ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2079ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2080ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2081ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2082ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2083ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2084ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 20855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 20865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *Decl; 2087c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 208819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TypedefType(TypeClass tc, const TypedefDecl *D, QualType can) 208919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : Type(tc, can, can->isDependentType()), 209019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<TypedefDecl*>(D)) { 20915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 20925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 20945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *getDecl() const { return Decl; } 20971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2098a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// LookThroughTypedefs - Return the ultimate type this typedef corresponds to 2099fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor /// potentially looking through *all* consecutive typedefs. This returns the 2100a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// sum of the type qualifiers, so if you have: 2101a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// typedef const int A; 2102a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// typedef volatile A B; 2103a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// looking through the typedefs for B will give you "const volatile A". 2104a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner QualType LookThroughTypedefs() const; 21051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2106bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2107bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2108bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 210972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 21105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 21115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 211372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 211472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2115d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 21161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2117b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2118dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2119d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2120d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2121d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 21221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2123bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2124bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2125bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2126bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2127bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2128bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 212972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 213072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2131d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2132d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2133c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 21341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2135c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2136c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2137c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2138c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 21391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2140b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 2141b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor ASTContext &Context; 21421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2143b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 21441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentTypeOfExprType(ASTContext &Context, Expr *E) 2145b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 21461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2147bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2148bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2149bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2150b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2151b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2152b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 21531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2154b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 2155b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2156b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 21571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2158d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2159d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2160d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 21611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 216272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor : Type(TypeOf, can, T->isDependentType()), TOType(T) { 2163d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2164d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2165d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2166d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2167d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 21681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2169bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2170bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2171bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2172bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2173bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2174bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 217572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2176d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2177d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 21785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2179395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2180395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2181395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 21821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2183563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2184563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2185563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2186563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 21871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21889d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2189563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2190395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2191395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2192395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2193563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2194563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2195bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2196bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2197bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2198bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2199bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2200bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2201395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2202395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2203395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 22041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2205c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2206c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2207c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2208c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2209c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2210c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 22119d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 22129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor ASTContext &Context; 22131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22149d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 22159d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType(ASTContext &Context, Expr *E); 22161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2217bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2218bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2219bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22209d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 22219d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 22229d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 22251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 22269d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 22271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 22290b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// Stores the TagDecl associated with this type. The decl will 22300b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// point to the TagDecl that actually defines the entity (or is a 22310b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// definition in progress), if there is such a definition. The 22320b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// single-bit value will be non-zero when this tag is in the 22330b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// process of being defined. 2234fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor mutable llvm::PointerIntPair<TagDecl *, 1> decl; 22354b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek friend class ASTContext; 22360b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor friend class TagDecl; 22372ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 22382ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 223919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 22402ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 224160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 224260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 22431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 22440b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor TagDecl *getDecl() const { return decl.getPointer(); } 22451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22460b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 22471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 22480b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor bool isBeingDefined() const { return decl.getInt(); } 22490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setBeingDefined(bool Def) const { decl.setInt(Def? 1 : 0); } 22500b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 22511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 225272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 225372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 22545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 225572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 225672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 22575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22595edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 22605edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 22615edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 226249aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 226319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 226419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 226572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 226619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 22672ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 22685edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 22691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22705edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 22715edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 22725edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 22731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 22755edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 22761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 22775edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 22785edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 22795edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // FIXME: RecordType needs to check when it is created that all fields are in 22805edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // the same address space, and return that. 22815edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner unsigned getAddressSpace() const { return 0; } 22821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2283bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2284bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2285bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22862daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 22872daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 22882daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 22892daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 22905edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 22915edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 22925edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 22935edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 22945edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 22955edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 229619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 229719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 22982ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 22995edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 23001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23015edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 23025edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 23035edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 23041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2305bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2306bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2307bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23082daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 23092daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 23102daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 23112daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 23125edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 23135edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 23145edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 2315fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 2316efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Depth : 15; 2317efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Index : 16; 2318efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned ParameterPack : 1; 2319efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name; 232072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2321efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(unsigned D, unsigned I, bool PP, IdentifierInfo *N, 2322efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor QualType Canon) 2323fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true), 2324efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Depth(D), Index(I), ParameterPack(PP), Name(N) { } 232572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 23261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 2327efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true), 2328efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Depth(D), Index(I), ParameterPack(PP), Name(0) { } 232972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2330fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 233172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2332fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 2333efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getDepth() const { return Depth; } 2334efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getIndex() const { return Index; } 2335efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor bool isParameterPack() const { return ParameterPack; } 2336efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Name; } 23371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2338bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2339bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2340bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2341fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2342efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Profile(ID, Depth, Index, ParameterPack, Name); 2343fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2344fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 23451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 23461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 2347efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 2348fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 2349fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 235076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 2351efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor ID.AddPointer(Name); 2352fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2353fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 23541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 235672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 235772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 235872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 2359fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 236049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 236149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 236249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 236349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 236449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 236549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 236649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 236749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 236849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 236949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 237049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 237149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 237249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType()), 237349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 237449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 237549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 237649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 237749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 2378efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Replaced->getName(); } 2379efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor 238049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 238149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 238249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 238349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 238449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 238549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 238649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 238749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 238849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 238949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 239049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 239149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 239249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 239349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 239449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 239549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 239649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 239749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 239849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 239949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 240049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 240149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 240249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 240349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 240449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 240549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 240649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 240749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 240849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 240949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 24107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 24117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 241255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 24137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 24147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 24157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 24167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 24177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 241855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 24191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 242055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 24217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 24227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 24237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 24247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 24251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 242655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 242733500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The name of the template being specialized. 24287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 242955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 243040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 243140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 243255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 243355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2434ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 24357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 24367532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, QualType Canon); 243755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 24385908e9f25bc9a334c99c095e0b1e6a515445be2dDouglas Gregor virtual void Destroy(ASTContext& C); 24395908e9f25bc9a334c99c095e0b1e6a515445be2dDouglas Gregor 244055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 244155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 244255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 244340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 244440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 244540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 24461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 244740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 2448833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 2449833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 2450833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2451d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 2452d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2453df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 2454df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 2455df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 2456d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 2457d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor const PrintingPolicy &Policy); 2458df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 2459833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 2460833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 2461833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 2462833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2463d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 2464d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 2465d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 246631f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 246731f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 246831f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 246971d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 247031f17ecbef57b5679c017c375db330546b7b5145John McCall } 247131f17ecbef57b5679c017c375db330546b7b5145John McCall 247240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 247340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 247440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 247533500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 247640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 24777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 24787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 247955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 248040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 24811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 248240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 248340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 248440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 248540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 248655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 248755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 248855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 248955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 249033500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 249155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 249231f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 249331f17ecbef57b5679c017c375db330546b7b5145John McCall return !isDependentType() || isCurrentInstantiation(); 249431f17ecbef57b5679c017c375db330546b7b5145John McCall } 2495bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 2496bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2497ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Ctx) { 249871d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 249955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 250055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 25017532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 250231f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 250331f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 2504828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor ASTContext &Context); 250555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 25061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 25071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 250855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 25097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 251055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 251155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 251231f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 251331f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 251431f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 251531f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 25163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 251731f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 251831f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 25193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 252031f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 252131f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 252231f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 252331f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 252431f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 252531f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 252631f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 252731f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 252831f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 25293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 25303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 25313cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 253231f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 253331f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 253431f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 253531f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 253631f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 253731f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 253831f17ecbef57b5679c017c375db330546b7b5145John McCall /// 253931f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 254031f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 254131f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 25423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 25433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 25449ffce2182e4fe72052d620698d272207f494b1cfDouglas Gregor friend class TagDecl; // TagDecl mutilates the Decl 254531f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 254631f17ecbef57b5679c017c375db330546b7b5145John McCall : Type(InjectedClassName, QualType(), true), 254731f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 25483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 25493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 255031f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 25513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 25523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 25533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 255431f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 255531f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 255631f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 25573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 25583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 25593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *getDecl() const { return Decl; } 25603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 256131f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 256231f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 25633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 25643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 25653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 25663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 25673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 25683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 25693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2570465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 2571465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 2572465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 2573465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 2574465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 2575465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 2576465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 2577465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 2578465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 2579465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 2580465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2581465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 25824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 25834a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 25844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 25854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 25864a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 25874a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 25884a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 2589465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 2590465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 25914a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 2592465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 2593465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 2594465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 2595465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 2596465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 2597465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 25984a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 2599465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2600465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 2601465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 2602465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 2603465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 2604465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 2605465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// Keyword - Encodes an ElaboratedTypeKeyword enumeration constant. 2606465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara unsigned Keyword : 3; 2607465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2608465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 2609465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 2610465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType Canonical, bool dependent) 2611465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : Type(tc, Canonical, dependent), Keyword(Keyword) {} 2612465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2613465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 2614465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara virtual ~TypeWithKeyword(); // pin vtable to Type.cpp 2615465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2616465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 2617465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return static_cast<ElaboratedTypeKeyword>(Keyword); 2618465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2619465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2620465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 2621465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 2622465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 2623465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2624465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 2625465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 2626465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2627465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 2628465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2629465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 2630465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 2631465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 2632465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2633465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 2634465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 2635465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2636465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 2637465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2638465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 2639465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2640465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 2641465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2642465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 2643465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 2644465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2645465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2646465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 2647465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 2648465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2649465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2650465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 2651465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 2652465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 2653e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 2654e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 2655465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 2656465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 2657465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 2658465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 2659465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2660ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2661ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 2662e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2663e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 2664e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 2665e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2666465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 2667465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 2668465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 2669465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NamedType->isDependentType()), 2670465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 2671465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 2672465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 2673465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 2674465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2675e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2676e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 2677e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2678e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 267933500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 2680465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2681ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 2682ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2683e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2684e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 2685e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 2686e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2687bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2688bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 2689bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2690bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2691bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2692bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2693e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2694465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 2695e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2696e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2697465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 2698465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 2699465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 2700ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 2701ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 2702ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 2703e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 27041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 2705465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 2706e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2707465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 2708e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 2709e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 27104a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 27114a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 2712d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 27134a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 27144a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 27154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 27164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 27174a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 27184a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 2719465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 2720465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2721d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2722d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 2723d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2724d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 272533500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 2726d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 27274a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 27284a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 2729465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, DependentName, CanonType, true), 2730465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 27311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 27324714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 2733d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2734d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2735d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 2736d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2737d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 273833500955d731c73717af52088b7fc0e7a85681e7John McCall virtual ~DependentNameType(); 2739465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2740d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 2741d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2742d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 27431734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 27441734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 27451734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 27461734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 27471734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 27481734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 27491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 275033500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 27511734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 2752d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2753bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2754bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2755bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2756d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2757465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 2758d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2759d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 27604a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 276133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 27624a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 2763d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 276433500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 2765d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2766d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 27671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 27684714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 2769d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 27704714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 2771d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 2772d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 277333500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 277433500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 277533500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 277633500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 277733500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 277833500955d731c73717af52088b7fc0e7a85681e7John McCall 277933500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 278033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 278133500955d731c73717af52088b7fc0e7a85681e7John McCall 278233500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 278333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 278433500955d731c73717af52088b7fc0e7a85681e7John McCall 278533500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 278633500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 278733500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 278833500955d731c73717af52088b7fc0e7a85681e7John McCall 278933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 279033500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 279133500955d731c73717af52088b7fc0e7a85681e7John McCall } 279233500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 279333500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 279433500955d731c73717af52088b7fc0e7a85681e7John McCall } 279533500955d731c73717af52088b7fc0e7a85681e7John McCall 2796ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 279733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 279833500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 279933500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 280033500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 280133500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 280233500955d731c73717af52088b7fc0e7a85681e7John McCall 280333500955d731c73717af52088b7fc0e7a85681e7John McCall virtual void Destroy(ASTContext& C); 280433500955d731c73717af52088b7fc0e7a85681e7John McCall 280533500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 280633500955d731c73717af52088b7fc0e7a85681e7John McCall 280733500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 280833500955d731c73717af52088b7fc0e7a85681e7John McCall virtual ~DependentTemplateSpecializationType(); 280933500955d731c73717af52088b7fc0e7a85681e7John McCall 281033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 281133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 281233500955d731c73717af52088b7fc0e7a85681e7John McCall 281333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 281433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 281533500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 281633500955d731c73717af52088b7fc0e7a85681e7John McCall } 281733500955d731c73717af52088b7fc0e7a85681e7John McCall 281833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 281933500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 282033500955d731c73717af52088b7fc0e7a85681e7John McCall 282133500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 282233500955d731c73717af52088b7fc0e7a85681e7John McCall 282333500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 282433500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 282533500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 282633500955d731c73717af52088b7fc0e7a85681e7John McCall 282733500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 282833500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 282933500955d731c73717af52088b7fc0e7a85681e7John McCall 2830ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context) { 283133500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 283233500955d731c73717af52088b7fc0e7a85681e7John McCall } 283333500955d731c73717af52088b7fc0e7a85681e7John McCall 283433500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 283533500955d731c73717af52088b7fc0e7a85681e7John McCall ASTContext &Context, 283633500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 283733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 283833500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 283933500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 284033500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 284133500955d731c73717af52088b7fc0e7a85681e7John McCall 284233500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 284333500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 284433500955d731c73717af52088b7fc0e7a85681e7John McCall } 284533500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 284633500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 284733500955d731c73717af52088b7fc0e7a85681e7John McCall } 284833500955d731c73717af52088b7fc0e7a85681e7John McCall}; 284933500955d731c73717af52088b7fc0e7a85681e7John McCall 2850c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 2851c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 2852c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 2853c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 2854c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 2855c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 2856c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 2857c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 2858c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 2859c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 2860c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 2861c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 2862c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 2863e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 2864e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 2865e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 2866c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 2867e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 2868e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 2869e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 2870c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 2871c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Pad the bit count up so that NumProtocols is 2-byte aligned 2872c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned : BitsRemainingInType - 16; 2873c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2874c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief The number of protocols stored after the 2875c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// ObjCObjectPointerType node. 2876c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// 2877e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// These protocols are those written directly on the type. If 2878e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocol qualifiers ever become additive, the iterators will 2879e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// get kindof complicated. 2880e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 2881c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// In the canonical object type, these are sorted alphabetically 2882c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// and uniqued. 2883c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols : 16; 2884c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 2885c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 2886c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 2887c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2888c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 2889c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 2890c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 2891c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2892c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 2893c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2894c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 2895c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 2896c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 2897c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2898c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 2899c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 2900c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : Type(ObjCInterface, QualType(), false), 2901c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall NumProtocols(0), 2902c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall BaseType(QualType(this_(), 0)) {} 2903c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 290460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 290560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkageImpl() const; // key function 290660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 29073536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 2908e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 2909e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 2910e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 2911e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 2912e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 2913e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 2914c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 291571842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 2916c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 2917c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 2918c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 2919c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 2920c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 2921c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 2922c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 2923c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 2924c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 2925c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 2926c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 2927c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 2928c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 2929c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 2930c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 2931c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 2932c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 2933c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2934c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 2935c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 2936c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 2937c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2938c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 2939c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2940c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 2941c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 2942c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2943c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 29441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2945c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 2946c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 294771842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek unsigned getNumProtocols() const { return NumProtocols; } 294814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 2949c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 295073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 295173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 295273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 295373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 295473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 2955bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2956bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2957bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2958c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 2959c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 2960c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 2961c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 2962c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 2963c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 2964c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2965c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 2966c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 2967c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 2968c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 2969c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 2970c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 2971c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2972c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 2973c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 2974c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2975c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 2976c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2977c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 2978c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 2979c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2980c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 2981c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void Destroy(ASTContext& C); // key function 2982c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2983c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 29841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 2985c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 2986c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 2987c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 2988c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 29891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2990c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 2991c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 2992c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 2993c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2994c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2995c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 2996c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 2997c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 2998c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 2999c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 3000e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 3001e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 3002e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 3003e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 3004e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 3005e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 3006e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 3007e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 3008c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 3009c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 3010c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3011c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 3012c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 3013c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 3014c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 3015c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3016c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void Destroy(ASTContext& C); // key function 3017c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3018e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 3019c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getDecl() const { return Decl; } 3020c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3021c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 3022c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 30230b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 30241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 30251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 30263536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 3027a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 3028c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3029c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 3030c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 3031c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 3032c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 3033c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 3034c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 3035c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 3036c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 3037c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 3038c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 3039c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 30403536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 30413536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 3042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 3043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 3044c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 3045c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 3046c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 3047c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3048c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3049e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 3050e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 3051e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 3052e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 3053e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 3054e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 305514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 3056e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 3057e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 305814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 3059e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 30601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3061c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 3062c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : Type(ObjCObjectPointer, Canonical, false), 3063c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 306414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 30651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 306660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 306760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 306860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 306914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 307071842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek void Destroy(ASTContext& C); 307171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 3072e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 3073e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 307414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 307514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3076e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 3077e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 3078e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3079e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 3080e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 3081e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 3082e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 3083e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 3084e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 3085e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 3086e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 3087e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 3088e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 3089e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 3090e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 3091e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 3092e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 3093e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 3094e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 3095e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 3096e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 3097e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 3098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 3099c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return PointeeType->getAs<ObjCObjectType>(); 3100c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3101c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3102e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 3103e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 3104e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 3105e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3106e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 31071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 3108c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 310914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3110e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3111e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 3112e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 3113e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3114e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 311514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 3116e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 311714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3118e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3119e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 3120e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 312114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 3122c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 312314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3124e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3125e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 3126e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 312714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 3128c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 3129de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 31308d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 3131e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 3132e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 31331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 3134c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 3135de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 3136e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3137e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 3138e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 3139470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 3140c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 314114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3142e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3143e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 3144e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 3145e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 3146c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 314714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 314871842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 3149c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 315071842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3151c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 3152c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 315371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 315514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3156e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 3157e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 3158c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 3159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 3160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 316114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3162e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 3163e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 316473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 3165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 316673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 316773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3168bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3169bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3170bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3171e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3172e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 3173e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 3174c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 3175c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 3176c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 31771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 31781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 317914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 318014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 318114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 31821bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 31830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 31840953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 31850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext *Context; 31860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 31870953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 31880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) 31890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Qualifiers(Qs), Context(0) {} 31900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector(ASTContext &Context, Qualifiers Qs = Qualifiers()) 31910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Qualifiers(Qs), Context(&Context) {} 31920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 31930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setContext(ASTContext &C) { Context = &C; } 31940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 31950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 31960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// unqualified type. 31970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *strip(QualType QT) { 3198a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor addFastQualifiers(QT.getLocalFastQualifiers()); 3199a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (QT.hasLocalNonFastQualifiers()) { 32000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = QT.getExtQualsUnsafe(); 32010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Context = &EQ->getContext(); 32020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(EQ->getQualifiers()); 32030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getBaseType(); 32040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 32050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QT.getTypePtrUnsafe(); 32060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 32070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 32090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType apply(QualType QT) const; 32100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 32120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType apply(const Type* T) const; 32130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 32150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3217611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 32185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3219467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 3220467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall const Type *T = getTypePtr(); 3221a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) 3222467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified() && !isa<ArrayType>(T); 3223467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified(); 3224467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 3225467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 322654e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 3227a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 322854e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 322954e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->isCanonicalUnqualified() && 323054e14c4db764c0636160d26c5bbf491637c83a76John McCall !isa<FunctionType>(T) && !isa<ArrayType>(T); 323154e14c4db764c0636160d26c5bbf491637c83a76John McCall} 323254e14c4db764c0636160d26c5bbf491637c83a76John McCall 3233fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 3234fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 3235fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalConstQualified(); 3236fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3237fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3238fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 3239fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 3240fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalRestrictQualified(); 3241fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3242fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3243fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3244fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 3245fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 3246fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalVolatileQualified(); 3247fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3248fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3249fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 3250fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 3251fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers(); 3252fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3253fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3254fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline Qualifiers QualType::getQualifiers() const { 3255fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers Quals = getLocalQualifiers(); 3256fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Quals.addQualifiers( 3257fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalQualifiers()); 3258fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return Quals; 3259fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3260fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3261fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline unsigned QualType::getCVRQualifiers() const { 3262fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getLocalCVRQualifiers() | 3263fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalCVRQualifiers(); 3264fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3265e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 3266e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// getCVRQualifiersThroughArrayTypes - If there are CVR qualifiers for this 3267e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type, returns them. Otherwise, if this is an array type, recurses 3268e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// on the element type until some qualifiers have been found or a non-array 3269e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type reached. 3270e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruthinline unsigned QualType::getCVRQualifiersThroughArrayTypes() const { 3271e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (unsigned Quals = getCVRQualifiers()) 3272e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return Quals; 3273e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3274e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3275e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return AT->getElementType().getCVRQualifiersThroughArrayTypes(); 3276e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return 0; 3277e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth} 3278e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 32790953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeConst() { 32800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Qualifiers::Const); 32810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 32820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32830953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeRestrict() { 32840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Qualifiers::Restrict); 32850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 32860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32870953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeVolatile() { 32880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc; 32890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qc.strip(*this); 32900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Qc.hasVolatile()) { 32910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qc.removeVolatile(); 32920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall *this = Qc.apply(Ty); 32930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 32940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 32950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32960953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeCVRQualifiers(unsigned Mask) { 32976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 32980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 33000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Mask & ~Qualifiers::FastMask)) { 33010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Mask); 33020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return; 33030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc; 33060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qc.strip(*this); 33070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qc.removeCVRQualifiers(Mask); 33080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall *this = Qc.apply(Ty); 3309ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3310ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 3311ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 3312ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 3313a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 33140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 33150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 33160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 33170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33194243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3320a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 33210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 33220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 33230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 33240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33264243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3327c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT->getElementType().getAddressSpace(); 33284243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const RecordType *RT = dyn_cast<RecordType>(CT)) 33298e7dafec4b70303dfaff95151cd06bfc5532720cNate Begeman return RT->getAddressSpace(); 3330ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb return 0; 3331ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3332611c1fff195d32df97706e0920c92468b2509900Chris Lattner 3333d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 33340953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 3335a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 33360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 33370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 33380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 33390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3341d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3342a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 33430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 33440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 33450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 33460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3348d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3349d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return AT->getElementType().getObjCGCAttr(); 3350183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *PT = CT->getAs<ObjCObjectPointerType>()) 33511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 3352ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian // We most look at all pointer types, not just pointer to interface types. 3353ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian if (const PointerType *PT = CT->getAs<PointerType>()) 33541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 33550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 3356d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 33572455636163fdd18581d7fdae816433f886d88213Mike Stump 3358264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 3359264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 3360183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 3361264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 3362264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 3363264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 33642455636163fdd18581d7fdae816433f886d88213Mike Stump 3365264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 33662455636163fdd18581d7fdae816433f886d88213Mike Stump} 33671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3368264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 3369264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 3370ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 3371ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 3372e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 3373e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 3374e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 3375e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 3376e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 3377e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isMoreQualifiedThan(QualType Other) const { 33780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3379e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3380e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3381ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3382ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3383e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return MyQuals != OtherQuals && (MyQuals | OtherQuals) == MyQuals; 3384e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3385e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3386e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 3387e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 3388e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 3389e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 3390e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isAtLeastAsQualifiedAs(QualType Other) const { 33910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3392e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3393e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3394ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3395ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3396e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return (MyQuals | OtherQuals) == MyQuals; 3397e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3398e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3399e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 3400e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 3401e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 3402e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 3403e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 3404e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 3405e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 3406e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 3407e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 3408e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 34096217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 3410e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 3411e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 3412e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 3413e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3414e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3415611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 3416a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 3417611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3418611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 3419a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 3420611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 342158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 342258f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 342358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 34245618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 3425a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 34265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 3427bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 3428a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 3429bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 34307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 3431a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 34327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 34337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 3434a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 34357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 3436498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 34376217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* T = getAs<PointerType>()) 3438498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 3439498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 3440498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 3441498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 3442f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 3443a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 3444f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3445f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 34466217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 3447f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getPointeeType()->isFunctionType(); 3448f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 3449f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 3450f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3451611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 3452a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 3453611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3454c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 3455a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 3456c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3457c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 3458a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 3459c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3460c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 3461a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 3462c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3463898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 3464a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 3465898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 3466611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 3467a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 3468611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3469f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 3470a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 3471f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 3472611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 3473a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 3474611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3475213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 3476a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 3477611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3478d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 3479a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 3480d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 3481c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 3482c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 3483368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 3484a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 3485183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3486d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 3487d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 3488d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 3489470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 3490183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3491470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 3492470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 3493470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 349414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 3495183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 349614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 349714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 349814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 349914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 3500183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 350114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 350214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 350314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 350413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 35058d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 35068d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 350713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 350813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 3509de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 351013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 3511de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 351272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 3513a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 351472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 351572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 35169b065ddabf572772991a4aadad5bf4921fac5069Tom Careinline bool Type::isBuiltinType() const { 35179b065ddabf572772991a4aadad5bf4921fac5069Tom Care return getAs<BuiltinType>(); 35189b065ddabf572772991a4aadad5bf4921fac5069Tom Care} 35199b065ddabf572772991a4aadad5bf4921fac5069Tom Care 3520e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 3521183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 3522e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 3523e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 3524e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 3525e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 3526e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 3527063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 3528063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 3529063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 3530063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 3531904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 3532904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 35338958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 35348958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 3535c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 35368958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 35378958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 3538820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 3539c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 3540820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 3541820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 354222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 354322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 354422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 354522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 354622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 354722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 354822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 354922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 35501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 355147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 355247c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 355347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 355447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 355547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 355647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 355747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 355847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 355947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 356089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 356189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 356289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 356389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 356489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 356589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 356689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 356789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 356889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 356989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 35701a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 35711a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 357289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 357389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 357489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 35751a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 35761a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 35771a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 35781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35791a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 35800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 35811a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 35821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 35841a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 3585bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 35861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 358722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 35885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 35895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 35905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3591