Type.h revision 49f4e1cbd839da27ff4814b4ea6d85a79f786cbd
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Type.h - C Language Family Type Representation ---------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Type interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_TYPE_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_TYPE_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner#include "clang/Basic/Diagnostic.h" 181734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "clang/Basic/IdentifierTable.h" 190b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor#include "clang/Basic/Linkage.h" 2047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth#include "clang/Basic/PartialDiagnostic.h" 211fb0caaa7bef765b85972274e3b434af2572c141John McCall#include "clang/Basic/Visibility.h" 22e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/Support/Casting.h" 2550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 26fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 275cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 285cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 291734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::isa; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast_or_null; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast_or_null; 366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 38f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor TypeAlignmentInBits = 4, 396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 41aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 42aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 43aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 464e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 474e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 48daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 49bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 50bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 54bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 55bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 57bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 67aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 68aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 69aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 704e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 714e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TypedefDecl; 7555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 77aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 8149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8321d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 84a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 85a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 86a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 87ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 89b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 9192866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 93833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 94d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 95ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall class Type; 96465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 973b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 9872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 99ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall template <typename> class CanQual; 100ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 101ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 105f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1110953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 121d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 122d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 123d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 124d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 125efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 1260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 132f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor FastWidth = 3, 1330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 2410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 2430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 2480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 2490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 2500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 2510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 2520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 2530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 2540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 2570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 2580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 2590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 2610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 2620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 2630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 2640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 2650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 2660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 2670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 2680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 2690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 275b87786f045d798b070980c108c922e1475d27b15Douglas Gregor bool isSupersetOf(Qualifiers Other) const; 276b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2933cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 2943cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 2953cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Mask = Mask & ~(R.Mask); 2963cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 2973cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2993cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 3003cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 3013cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 3023cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 3033cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 3043cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bits: |0 1 2|3 .. 4|5 .. 31| 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // |C R V|GCAttr|AddrSpace| 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceMask = ~(CVRMask | GCAttrMask); 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceShift = 5; 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33055270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// ExtQuals - We can encode up to four bits in the low bits of a 3310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// type pointer, but there are many more type qualifiers that we want 3320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// to be able to apply to an arbitrary type. Therefore we have this 3330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// struct, intended to be heap-allocated and used by QualType to 3340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// store qualifiers. 3350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 33655270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 33755270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// in three low bits on the QualType pointer; a fourth bit records whether 33855270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 33955270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// Objective-C GC attributes) are much more rare. 3400953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass ExtQuals : public llvm::FoldingSetNode { 3410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // NOTE: changing the fast qualifiers should be straightforward as 3420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // long as you don't make 'const' non-fast. 3430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 1. Qualifiers: 3440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 3450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers must occupy the low-order bits. 3460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update Qualifiers::FastWidth and FastMask. 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 2. QualType: 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update remove{Volatile,Restrict}, defined near the end of 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this header. 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 3. ASTContext: 3520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update get{Volatile,Restrict}Type. 3530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// BaseType - the underlying type that this qualifies 3550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType; 3560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Quals - the immutable set of qualifiers applied by this 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// node; always contains extended qualifiers. 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 36249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall ExtQuals(const Type *Base, Qualifiers Quals) : BaseType(Base), Quals(Quals) 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall { 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(Quals.hasNonFastQualifiers() 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with no fast qualifiers"); 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with fast qualifiers"); 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getQualifiers() const { return Quals; } 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getBaseType() const { return BaseType; } 3791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getBaseType(), Quals); 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType, 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals) { 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddPointer(BaseType); 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.Profile(ID); 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 393ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 394ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 395ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 396ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 397ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 398f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 39952fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 40052fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86Pascal // __attribute__((pascal)) 401ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 402ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 40349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCalltypedef std::pair<const Type*, Qualifiers> SplitQualType; 4040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4170953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 430fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedTypeSlow() const; 431fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4345cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4365cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 441a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 442a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type *getTypePtr() const { 448a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 4490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getExtQualsUnsafe()->getBaseType()); 4500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getTypePtrUnsafe()); 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// Divides a QualType into its unqualified type and a set of local 45449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// qualifiers. 45549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType split() const { 45649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall if (!hasLocalNonFastQualifiers()) 45749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return SplitQualType(getTypePtrUnsafe(), 45849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 45949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 46049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const ExtQuals *eq = getExtQualsUnsafe(); 46149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall Qualifiers qs = eq->getQualifiers(); 46249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall qs.addFastQualifiers(getLocalFastQualifiers()); 46349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return SplitQualType(eq->getBaseType(), qs); 46449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 46549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 4665cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static QualType getFromOpaquePtr(void *Ptr) { 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 4695cf243a883872441d73ca49cea7e20de5802629bChris Lattner T.Value.setFromOpaqueValue(Ptr); 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type &operator*() const { 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *operator->() const { 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 481467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 48254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 483467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 4860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 489a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 490a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 491a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 492a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 493a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 4940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 495a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 496a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 497fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 498a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 499a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 500a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 501a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 502a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 503a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 504a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 505a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 506a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 507fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 508a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 509a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 510a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 511a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 512a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 513f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return (getLocalFastQualifiers() & Qualifiers::Volatile); 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 516a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 517fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 518a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 520a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 521a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 522a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 523a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 526a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 527fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 528a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 529a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 530a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 531a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 532a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 533a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 536a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 537a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers getLocalQualifiers() const { 5400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 541a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 5420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals = getExtQualsUnsafe()->getQualifiers(); 543a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Quals.addFastQualifiers(getLocalFastQualifiers()); 5440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 5450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 547a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 548fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 549a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 550a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 551a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 552a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 553a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 554f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return getLocalFastQualifiers(); 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 556b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 557a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 558a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 559fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 560e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 561e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 562e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// applied to this type, looking through any number of unqualified array 563e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// types to their element types' qualifiers. 564e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned getCVRQualifiersThroughArrayTypes() const; 565e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 566bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 567bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 568bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 5691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 5710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 5720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 5740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 5750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 5760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 5780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 5790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 5820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 5830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 5840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 5850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 58749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalConst(); 58849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalVolatile(); 58949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalRestrict(); 59049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalCVRQualifiers(unsigned Mask); 5910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 59249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers() { Value.setInt(0); } 59349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers(unsigned Mask) { 5940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 5950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 5960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 5990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 6000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 6010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 6030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 6040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6051c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 6060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 6070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 60849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withExactLocalFastQualifiers(unsigned TQs) const { 60949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return withoutLocalFastQualifiers().withFastQualifiers(TQs); 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 61349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withoutLocalFastQualifiers() const { 6140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 61549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall T.removeLocalFastQualifiers(); 6160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 617c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 618971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 619a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 620a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 621a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 622a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 624a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return the unqualified form of the given type, which might be 625a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// desugared to eliminate qualifiers introduced via typedefs. 626fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedType() const { 627fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType T = getLocalUnqualifiedType(); 628fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor if (!T.hasQualifiers()) 629fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return T; 630fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 631fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getUnqualifiedTypeSlow(); 632a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 633a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 634e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 635e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 636e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 6371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6386398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 6396398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 6405291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 6416398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 6426398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 6436398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 6445291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 6455291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 6466398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 6475291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 6482fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 6492fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 6502fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 6512fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 6522fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 6532fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 6540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 6550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 65649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType getDesugaredType(ASTContext &Context) const { 65749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getDesugaredType(*this, Context); 65849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 65949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 66049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType getSplitDesugaredType() const { 66149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getSplitDesugaredType(*this); 662bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 66398cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 66650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 66750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 66950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 67050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 67249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string getAsString() const { 67349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split()); 67449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 67549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(SplitQualType split) { 67649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split.first, split.second); 67749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 67849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(const Type *ty, Qualifiers qs); 679d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 680d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 682d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 6845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 685e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 68649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &Policy) const { 68749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split(), Str, Policy); 68849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 68949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(SplitQualType split, std::string &out, 69049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy) { 69149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split.first, split.second, out, policy); 69249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 69349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(const Type *ty, Qualifiers qs, 69449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string &out, 69549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy); 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 697c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 698c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7003f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 7013f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 7023f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 704ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 705ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 7061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 707d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 7080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 709f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 710f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 711f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 7120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 713f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 714f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 715f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 716f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 7170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 718f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 7192455636163fdd18581d7fdae816433f886d88213Mike Stump 720bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 721bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 722bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 723bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 724bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 72549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static QualType getDesugaredType(QualType T, ASTContext &Context); 72649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef ::clang::Type* SimpleType; 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Val.getTypePtr(); 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 7421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7434e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 7444e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 745daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 7464e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 7474e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 7484e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 7494e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7504e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 7514e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 7524e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 7540eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 7554e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 7561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 75773af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 77272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 77572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Type { 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 78972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 79027935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 79172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 79272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 79372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 7951bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 797c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 798c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 799c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CanonicalType; 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 802b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 803b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 804b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 805b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 80627935ee59c30b0d8b610ab676aab8e65350af932John McCall 807b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 808b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 809b870b88df784c2940efce448ebfaf54dece14666John McCall 810b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 811b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 812b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 813bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 81460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 815b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 816bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 81735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 8181fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 8191fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 8201fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 8211fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 82260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 823b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 824b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 82507a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 826b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 827bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 828db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 829b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 830bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 831b870b88df784c2940efce448ebfaf54dece14666John McCall 8321fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 8331fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 8341fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8351fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 8361fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8371fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 8381fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8391fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 8401fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8411fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 8421fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8431fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 8441fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8451fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 8461fb0caaa7bef765b85972274e3b434af2572c141John McCall } 847b870b88df784c2940efce448ebfaf54dece14666John McCall }; 848b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NumTypeBits = 16 }; 849b870b88df784c2940efce448ebfaf54dece14666John McCall 850b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 851b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 852b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 853b870b88df784c2940efce448ebfaf54dece14666John McCall 854b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 855b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 856b870b88df784c2940efce448ebfaf54dece14666John McCall 857b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 858b870b88df784c2940efce448ebfaf54dece14666John McCall 859b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 860b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 861b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 862b870b88df784c2940efce448ebfaf54dece14666John McCall 863b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 864b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 865b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 866b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 867b870b88df784c2940efce448ebfaf54dece14666John McCall }; 868b870b88df784c2940efce448ebfaf54dece14666John McCall 869b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 870b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 871b870b88df784c2940efce448ebfaf54dece14666John McCall 872b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 873b870b88df784c2940efce448ebfaf54dece14666John McCall 874b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 875b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 876b870b88df784c2940efce448ebfaf54dece14666John McCall }; 877b870b88df784c2940efce448ebfaf54dece14666John McCall 878b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 879b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 880b870b88df784c2940efce448ebfaf54dece14666John McCall 881b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 882b870b88df784c2940efce448ebfaf54dece14666John McCall 883b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 884b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 885b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned ExtInfo : 8; 886b870b88df784c2940efce448ebfaf54dece14666John McCall 887b870b88df784c2940efce448ebfaf54dece14666John McCall /// A bit to be used by the subclass. 888bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SubclassInfo : 1; 889b870b88df784c2940efce448ebfaf54dece14666John McCall 890b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 891b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 892b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 893b870b88df784c2940efce448ebfaf54dece14666John McCall /// 894b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 895b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 896b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 897b870b88df784c2940efce448ebfaf54dece14666John McCall }; 898b870b88df784c2940efce448ebfaf54dece14666John McCall 899b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 900b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 901b870b88df784c2940efce448ebfaf54dece14666John McCall 902b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 903b870b88df784c2940efce448ebfaf54dece14666John McCall 904b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 905b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 906b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 907b870b88df784c2940efce448ebfaf54dece14666John McCall }; 908b870b88df784c2940efce448ebfaf54dece14666John McCall 909b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 910b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 911b870b88df784c2940efce448ebfaf54dece14666John McCall 912b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 913b870b88df784c2940efce448ebfaf54dece14666John McCall 914b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 915b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 916b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 917b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 918b870b88df784c2940efce448ebfaf54dece14666John McCall /// 919b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 920b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 921b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 922b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 923b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 924b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 925bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 926b870b88df784c2940efce448ebfaf54dece14666John McCall 927b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 928b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 929bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 930b870b88df784c2940efce448ebfaf54dece14666John McCall }; 931b870b88df784c2940efce448ebfaf54dece14666John McCall 93277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 93377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 93477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 93577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 93677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 93777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 93877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 93977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 94077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 941b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 942b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 94307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 944b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 94571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 946e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 947e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 948cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 949b870b88df784c2940efce448ebfaf54dece14666John McCall 950b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 951cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 952b870b88df784c2940efce448ebfaf54dece14666John McCall }; 953b870b88df784c2940efce448ebfaf54dece14666John McCall 954b870b88df784c2940efce448ebfaf54dece14666John McCall union { 955b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 956b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 957b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 958b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 959b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 960b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 96177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 962b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 963b870b88df784c2940efce448ebfaf54dece14666John McCall }; 964b870b88df784c2940efce448ebfaf54dece14666John McCall 965b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 9663c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 9673c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 968b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 96907a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 97007a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 971b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 9721fb0caaa7bef765b85972274e3b434af2572c141John McCall 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 974124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 975124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 97635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(TypeClass tc, QualType Canonical, bool Dependent, bool VariablyModified) 977b870b88df784c2940efce448ebfaf54dece14666John McCall : CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical) { 978b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 979b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 980b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 9811fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 982b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 983b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 984b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 985b870b88df784c2940efce448ebfaf54dece14666John McCall } 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 9871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 988b870b88df784c2940efce448ebfaf54dece14666John McCall void setDependent(bool D = true) { TypeBits.Dependent = D; } 989b870b88df784c2940efce448ebfaf54dece14666John McCall void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; } 99035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 9918b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 992b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 9931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9943c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 995b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 99607a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 997467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 998467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return CanonicalType.getTypePtr() == this; 999467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 10071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 1009d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1010d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1011d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1012d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1013d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1014d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 101564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 101664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 101764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl bool isPODType() const; 101864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1019ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1020ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1021ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1022ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1024ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1025e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 10269b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 10279b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 10289b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1029e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1030e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10322a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 10332a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 10342a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 10352a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 10362a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 10372a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 103896d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 103996d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 10405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 104113b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 104213b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 104313b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 104477a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 104520093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 10469d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 104720093b4bf698f292c664676987541d5103b65b15Douglas Gregor 10482ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 10492ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 10501274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 10511274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 10521274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 10532ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 10555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 105602f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 105702f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1059f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 10605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1063c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1064c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1065c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1066d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 10671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1068c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1069ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1070c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1071183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1072183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1073befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 107458f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 10755618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 10767154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1077a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 10787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 10797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1080bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1081f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1082f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1083db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1084c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1085c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1086c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1087c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1088898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1089c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 10901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 10911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1092fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 10934cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1094368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1095368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1096213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1097d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff bool isObjCObjectPointerType() const; // Pointer to *any* ObjC object. 109814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 109914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1100c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1101368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1102368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1103470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1104569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 110514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 110614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 110713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1108de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 110972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 11106e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1111898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1112daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 1113daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Pointer, 1114daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1115daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1116daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1117daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1118daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1119daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1120daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1121daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1122daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1123daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1124898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 11251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1126898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1127b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 112835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 112935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1130b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 113135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1132db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1133db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1134db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1135063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 113672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 11374033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 11384033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 11394033642464e8ba0982f88f34cffad808d247b393Douglas Gregor 11408958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 11418958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 11428958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 11436e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 11448958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 11458958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1146820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1147820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 11481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1149820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1150f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1151f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1152f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1153f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1154f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1155f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1156f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1157f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1158f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1159f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1160f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1161f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 11628eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 11638eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 11648eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1165f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1166c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1167f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1168f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1169769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1170898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1171c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 11724cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 117314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 117414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 117514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 117614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1177c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1178a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 11791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1180c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1181c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1182c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1183c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 1184c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1185fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // Member-template getAs<specific type>'. Look through sugar for 1186fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // an instance of <specific type>. This scheme will eventually 11871a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // replace the specific getAsXXXX methods above. 1188183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // 1189183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // There are some specializations of this member template listed 1190183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // immediately following this class. 11911a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 11921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1193c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1194c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1195c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1196c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 11971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1198f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1199f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 120014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1202bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1203bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1204bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1205bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 12061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1211d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 1212d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 1213d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// integer element type. 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 1217d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 1218d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 1219d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// element type. 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1221d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 12239bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 12249bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 12253c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1226c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 122722b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 122822b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 122922b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 123022b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 12310b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 123260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 12331fb0caaa7bef765b85972274e3b434af2572c141John McCall 12341fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 12351fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 12361fb0caaa7bef765b85972274e3b434af2572c141John McCall 12371fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 12381fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 123960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 124060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 124160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 124260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 124360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 12440b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1245ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1246ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1247ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1248ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1249c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 12505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1251be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1252c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1253a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 12545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1256183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1257183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1258183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1259183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1260183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1261183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1262183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1263183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1264183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 12650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1266183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1267183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1268183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1269183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 12715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 12761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 1280f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1281f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 12862df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 12871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 12895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 12902ff9b4c7c8fed9233a0b8de2e9507368c451aab6Argyrios Kyrtzidis WChar, // This is 'wchar_t' for C++. 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 12925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 12952df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 12961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12978e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 12988e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 12996e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 13006e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 13012a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 13022a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 13032a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 13042a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 13052a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 13062a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1307898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Overload, // This represents the type of an overloaded function declaration. 13081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1309de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff UndeducedAuto, // In C++0x, this represents the type of an auto variable 1310e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // that has not been deduced yet. 1311e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1312e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'id' type. The type pointed to by the 1313e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'id' type. Only ever shows up in an AST as the base 1314e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type of an ObjCObjectType. 1315e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCId, 1316e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1317e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'Class' type. The type pointed to by the 1318e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'Class' type. Only ever shows up in an AST as the 1319e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// base type of an ObjCObjectType. 1320e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCClass, 1321e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 132213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSel // This represents the ObjC 'SEL' type. 13235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 132471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 13255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 132735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 132871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall /*VariablyModified=*/false) { 1329b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 133071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1332b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 1333e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1335bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1336bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1337bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1338680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 133971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1340680523a91dd3351389667c8de17121ba7ae82673John McCall } 1341680523a91dd3351389667c8de17121ba7ae82673John McCall 1342680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 134371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1344680523a91dd3351389667c8de17121ba7ae82673John McCall } 1345680523a91dd3351389667c8de17121ba7ae82673John McCall 1346680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 134771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1348680523a91dd3351389667c8de17121ba7ae82673John McCall } 1349680523a91dd3351389667c8de17121ba7ae82673John McCall 1350680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 135171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1352680523a91dd3351389667c8de17121ba7ae82673John McCall } 1353680523a91dd3351389667c8de17121ba7ae82673John McCall 13542a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// Determines whether this type is a "forbidden" placeholder type, 13552a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// i.e. a type which cannot appear in arbitrary positions in a 13562a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// fully-formed expression. 13572a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 135871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() == Overload || 135971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall getKind() == UndeducedAuto; 13602a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 13612a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 13625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 13635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 13645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 13685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 13705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 137235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 137335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Element->isVariablyModifiedType()), 1374898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 13755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 137760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1381bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1382bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1383bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 13845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 13855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 13885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 13895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 139568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1396bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 139768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1398bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 140135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 140235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 140335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 14045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 140660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 140968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 141068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1411bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1412bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1413bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 14155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 14165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 14185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 14195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 14225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 14235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 14265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 14275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 14285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 14295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 14305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 14315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 143235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 143335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 1434898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 14355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 143760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 14391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 14415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 14425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1443bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1444bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1445bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 14475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 14485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 14505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 14515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 14541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 14555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 14575618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 14585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 14597c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 146168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 146268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 146368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 14647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 146554e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 146654e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 146735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 146871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Referencee->isVariablyModifiedType()), PointeeType(Referencee) { 1469b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1470b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 14715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 147260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1474b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1475b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 147673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 147754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 147854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 147954e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 148054e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 148171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 148254e14c4db764c0636160d26c5bbf491637c83a76John McCall T = T->PointeeType->getAs<ReferenceType>(); 148354e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 148454e14c4db764c0636160d26c5bbf491637c83a76John McCall } 148568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 14865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 148771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 14885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 148954e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 149054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 149154e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 14925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 149354e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 14945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 14977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 14987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 14997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 15017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 15027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 15047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 15057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 150654e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 150754e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 150854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 150954e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 15107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 15117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1512bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1513bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1514bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 15167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 15177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 15197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 15207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 15227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 15237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 15247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 152554e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 15267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 15287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1529bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1530bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1531bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 15337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 15347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1536f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1537f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1538f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1539f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1540f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1541f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1542f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1543f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1544f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1545f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1546f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1547f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 154835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 154935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 1550f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1551f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1552f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 155360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1554f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1555f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1556f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 15570bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 15580bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 15590bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 15600bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 15610bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 15620bab0cdab751248ca389a5592bcb70eac5d39260John McCall 15630bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 15640bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 15650bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 15660bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 15670bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 15680bab0cdab751248ca389a5592bcb70eac5d39260John McCall 1569f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1570f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1571bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1572bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1573bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1574f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1575f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1576f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1577f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 1578f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 1579f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 1580f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 1581f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1582f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1583f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 1584f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 1585f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1586f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 15885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 15905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 15912e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 15925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 1594898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 1595898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 1596898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 15975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 15985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1601fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 1602fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 16031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1604fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 1605898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 1606898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 1607898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 1608898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 1609898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 1610c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 1611c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 161235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 161335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor (tc == VariableArray || et->isVariablyModifiedType())), 161471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 1615b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 1616b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 161771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1618898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1619fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 162060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1621fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1622fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 1623ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 1624b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 1625ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 16260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 162771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 162871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 162971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 1630b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 16310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 16321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1633fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 1634fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 1635c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 1636898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 1637898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 1638fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1639fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 1640fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1641fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 16427e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 16437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 16447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 16457e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 16462e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 1647fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 16481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16490be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 1650c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 16517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq), 16527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 16537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 16547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 16557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 16567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(tc, et, can, sm, tq), Size(size) {} 1657fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1658fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1659c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 1660bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1661bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1662bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16632767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 16642767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 16652767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 16662767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 16672767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 16682767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 16692767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 16702767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 16712767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 16722767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 16732767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 1674fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 16751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 16760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 1677fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1678fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 16790be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 16800be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 1681fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 1682fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 16830be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 16840be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1685fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 16867e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 168746a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 1688fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1689fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 1690fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1691fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 1692da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 1693da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 1694da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 1695c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 16967e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1697c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 16987e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 1699c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman : ArrayType(IncompleteArray, et, can, sm, tq) {} 1700c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 1701c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 1702bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1703bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1704bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 17061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 1707c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1708c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 17091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1710c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 17111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1712c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 17130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 17140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 1715c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 17161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17170be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 17180be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 1719c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 17200be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 17210be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1722c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1723c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 1724c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1725da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 1726da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 1727da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 1728da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1729da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 1730da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 1731da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 1732da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 1733da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1734da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 1735da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 1736da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 1737da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 1738da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 1739da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 17402e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 17411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 17421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 1743b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 17447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 17457e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 17467e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1747c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 17487e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 17497e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 17507e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq), 17517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 17525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 17534b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 17545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1756b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 1757b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 1758b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 1759b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 17607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 17617e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 17627e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 17631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1764bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1765bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1766bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 17681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 17695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1770fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 17711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 177292866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 17731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17742bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 1775bc5e150b6d94cf131f7d01bc715571b741c5b408Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 17762bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 17775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1779898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 1780898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 1781cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1782cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 17831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 1784898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 1785898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 1786898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 1787cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 1788cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1789898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 1790898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 1791898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 1792898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 179304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASTContext &Context; 17941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1795cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 1796898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 1797cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 1798cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 1799cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 1800898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 1801cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 18027e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 18037e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 18041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedArrayType(ASTContext &Context, QualType et, QualType can, 180604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 18077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 18087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(DependentSizedArray, et, can, sm, tq), 180904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Context(Context), SizeExpr((Stmt*) e), Brackets(brackets) {} 1810898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 1811898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1812898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 18131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1814898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 1815898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 1816898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 1817898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 18187e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 18197e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 18207e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 18211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1822bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1823bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1824bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 1827898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1828898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 18291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1830898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 18311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1833898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 18341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 18350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 1836898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 18371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 18391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 184004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 1841898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 1842898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1843f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 18449cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 18459cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 18469cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 18479cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 18489cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 18499cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 18509cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 18512ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 18522ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor ASTContext &Context; 18539cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 18549cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 18559cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 18569cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 18571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType(ASTContext &Context, QualType ElementType, 18592ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc) 186035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(DependentSizedExtVector, can, /*Dependent=*/true, 186135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor ElementType->isVariablyModifiedType()), 18621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context(Context), SizeExpr(SizeExpr), ElementType(ElementType), 18632ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor loc(loc) {} 18649cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 18659cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 18669cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 18672ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 18689cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 18699cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 18709cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 1871bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1872bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1873bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 18769cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 18771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 18782ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 18792ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 18802ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 18812ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18832ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 18842ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 18859cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 18861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 188873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 18891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 189082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 189182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 189273322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 18935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 1894788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 1895e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 1896e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 1897e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 1898e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 1899e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 1900491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 1901491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 1902788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 190373322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 19045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 19055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 19061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 190782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 1908e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind vecKind) : 190935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Vector, canonType, vecType->isDependentType(), 191071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall vecType->isVariablyModifiedType()), ElementType(vecType) { 1911e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorTypeBits.VecKind = vecKind; 1912b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBits.NumElements = nElements; 191371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 191435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 19151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 1916e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson QualType canonType, VectorKind vecKind) 191735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, canonType, vecType->isDependentType(), 191871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall vecType->isVariablyModifiedType()), ElementType(vecType) { 1919e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorTypeBits.VecKind = vecKind; 1920b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBits.NumElements = nElements; 192171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 19225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 192360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 1927b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 19285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1929bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1930bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1931bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1932e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 1933e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 193471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1935788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 19365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 193771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 1938e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 19395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 194182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 1942e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 19435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 19445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 194573322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 1946e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 194773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 19480b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 19491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 19515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 19535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1955213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 1956213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 1957213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 1958fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 1959fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 1960213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 1961213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 1962e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 196373322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 196473322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 196588dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 196688dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 196788dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 196888dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 196988dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 197088dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 197188dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 197288dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 1973e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 1974353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 197588dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 1976353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 1977353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 1978353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 1979353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 1980353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 1981353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 1982353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 1983353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 1984353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 1985353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 1986353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 1987131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 1988353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 1989131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 1990353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 1991131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 1992353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 1993131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 1994353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 1995131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 1996353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 1997131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 1998353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 199988dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2000e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 20011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2002b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2003b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2004353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2005b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 20061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 200788dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2008b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 200971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 201088dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2011e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2012bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2013bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2014bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 20161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 201773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2018213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 201973322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 202073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 20215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 202272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 20235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 20255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 20265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2027264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2028264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2029264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // This class is used for passing arround the information needed to 2030264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // construct a call. It is not actually used for storage, just for 2031264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // factoring together common arguments. 2032425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // If you add a field (say Foo), other than the obvious places (both, constructors, 2033425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // compile failures), what you need to update is 2034425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Operetor== 2035425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2036425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2037425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2038425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2039425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2040425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2041425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2042425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 20433c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2044425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2045425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2046264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 2047b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2048b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2049b870b88df784c2940efce448ebfaf54dece14666John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask), 2050b870b88df784c2940efce448ebfaf54dece14666John McCall RegParmOffset = 4 }; 2051b870b88df784c2940efce448ebfaf54dece14666John McCall 205271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned Bits; 205371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 205471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(unsigned Bits) : Bits(Bits) {} 205571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 205671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 205771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2058264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2059264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 20603c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 206171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(bool noReturn, unsigned regParm, CallingConv cc) { 2062b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2063b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2064b870b88df784c2940efce448ebfaf54dece14666John McCall (regParm << RegParmOffset); 206571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2066264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2067264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2068264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 206971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2070264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2071b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2072b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParm() const { return Bits >> RegParmOffset; } 2073b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2074264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 207571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 207671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2077264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 207871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 207971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2080264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2081264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2082264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2083264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2084264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2085264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 208671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 208771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 208871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 208971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2090425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2091425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2092425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 2093b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~RegParmMask) | (RegParm << RegParmOffset)); 2094264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2095264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2096264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2097b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2098264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2099264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 210071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 210171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 210271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2103264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2104264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 21055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2106971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis FunctionType(TypeClass tc, QualType res, bool SubclassInfo, 21072455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned typeQuals, QualType Canonical, bool Dependent, 210871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool VariablyModified, ExtInfo Info) 210971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall : Type(tc, Canonical, Dependent, VariablyModified), ResultType(res) { 2110b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2111b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.SubclassInfo = SubclassInfo; 2112b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 211371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2114b870b88df784c2940efce448ebfaf54dece14666John McCall bool getSubClassData() const { return FunctionTypeBits.SubclassInfo; } 2115b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 21165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 21195291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2120b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2121b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2122b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2123b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 21245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21255291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 21265291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 21275291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 21286398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 21295291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 21305291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 213104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 213204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 21335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 21345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 21355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 21365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 21385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 214072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 21415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 214272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 214371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 21441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : FunctionType(FunctionNoProto, Result, false, 0, Canonical, 214535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*Dependent=*/false, Result->isVariablyModifiedType(), 214635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Info) {} 21475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 214860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 21495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 21511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2152bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2153bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2154bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2156264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 21575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21582455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 215971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 216071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 21615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 21625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 21655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 21665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 216772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 21685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 217072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 21715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2172465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2173465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2174465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 217572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 217672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType(QualType Result, const QualType *ArgArray, unsigned numArgs, 2177465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned typeQuals, bool hasExs, 2178465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExs, const QualType *ExArray, 2179264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola unsigned numExs, QualType Canonical, 218035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor const ExtInfo &Info); 2181465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 21825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2183465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumArgs : 20; 2184465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2185465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 2186465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumExceptions : 10; 2187465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2188465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// HasExceptionSpec - Whether this function has an exception spec at all. 218934e80e94a21eb1ac2a9405d918e711e8b12256a9John McCall unsigned HasExceptionSpec : 1; 2190465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2191465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// AnyExceptionSpec - Whether this function has a throw(...) spec. 219234e80e94a21eb1ac2a9405d918e711e8b12256a9John McCall unsigned AnyExceptionSpec : 1; 2193465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2194942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2195942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2196465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2197465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2198465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2199465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 22014b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 22025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 22045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 22055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2206942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 22075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2208465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2209465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec() const { return HasExceptionSpec; } 2210465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec() const { return AnyExceptionSpec; } 2211465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2212465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2213465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2214465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2215465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 22161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasEmptyExceptionSpec() const { 22171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return hasExceptionSpec() && !hasAnyExceptionSpec() && 2218a12823f6c0ec9e0e644a9d0ee153e973f49c63fcAnders Carlsson getNumExceptions() == 0; 2219d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 2220465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isVariadic() const { return getSubClassData(); } 2222971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 22231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2225942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2226942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2227942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2228942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2229465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2230465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2231465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2232465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2233465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2234465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2235465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 2236465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2237465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2238465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2239bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2240bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2241bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 22435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 22445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 224572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2246465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID); 22485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2249942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 2250465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned TypeQuals, 2251465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec, bool anyExceptionSpec, 22522455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExceptions, exception_iterator Exs, 225371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo ExtInfo); 22545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2257ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2258ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2259ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2260ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2261ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2262ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2263ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 226419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 226535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(UnresolvedUsing, QualType(), true, false), 226619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2267ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2268ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2269ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2270ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2271ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2272ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2273ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2274ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2275ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2276ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2277ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2278ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2279ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2280ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2281ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2282ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2283ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2284ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2285ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2286ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2287ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2288ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2289ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 22905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 22915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *Decl; 2292c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 229319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TypedefType(TypeClass tc, const TypedefDecl *D, QualType can) 229435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, can->isDependentType(), can->isVariablyModifiedType()), 229519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<TypedefDecl*>(D)) { 22965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 22975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 22995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *getDecl() const { return Decl; } 23021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2303bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2304bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2305bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 230672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 23075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 23085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 23095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 231072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 231172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2312d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 23131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2314b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2315dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2316d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2317d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2318d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 23191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2320bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2321bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2322bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2323bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2324bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2325bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 232672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 232772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2328d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2329d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2330c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 23311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2332c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2333c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2334c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2335c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 23361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2337b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 2338b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor ASTContext &Context; 23391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2340b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 23411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentTypeOfExprType(ASTContext &Context, Expr *E) 2342b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 23431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2344bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2345bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2346bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2347b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2348b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2349b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 23501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2351b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 2352b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2353b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 23541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2355d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2356d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2357d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 23581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 235935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TypeOf, can, T->isDependentType(), T->isVariablyModifiedType()), 236035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 2361d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2362d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2363d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2364d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2365d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 23661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2367bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2368bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2369bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2370bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2371bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2372bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 237372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2374d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2375d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 23765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2377395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2378395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2379395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 23801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2381563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2382563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2383563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2384563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 23851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23869d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2387563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2388395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2389395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2390395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2391563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2392563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2393bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2394bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2395bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2396bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2397bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2398bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2399395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2400395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2401395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 24021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2403c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2404c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2405c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2406c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2407c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2408c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 24099d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 24109d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor ASTContext &Context; 24111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 24139d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType(ASTContext &Context, Expr *E); 24141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2415bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2416bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2417bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24189d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 24199d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 24209d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24229d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 24231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 24249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 24251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 2427ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 2428ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 2429ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 24302ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 24312ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 243219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 24332ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 24341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 2435ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 24361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24370b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 24381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 2439ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 24400b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 24411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 244272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 244372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 24445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 244572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 244672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 24475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24495edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 24505edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 24515edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 245249aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 245319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 245419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 245572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 245619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 24572ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 24585edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 24591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24605edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 24615edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 24625edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 24631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 24655edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 24661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 24675edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 24685edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 24695edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // FIXME: RecordType needs to check when it is created that all fields are in 24705edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // the same address space, and return that. 24715edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner unsigned getAddressSpace() const { return 0; } 24721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2473bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2474bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2475bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24762daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 24772daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 24782daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 24792daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 24805edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 24815edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 24825edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 24835edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 24845edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 24855edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 248619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 248719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 24882ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 24895edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 24901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24915edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 24925edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 24935edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 24941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2495bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2496bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2497bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24982daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 24992daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 25002daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 25012daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 25025edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 25035edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 25045edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 2505fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 2506efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Depth : 15; 2507efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned ParameterPack : 1; 250877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Index : 16; 2509efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name; 251072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2511efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(unsigned D, unsigned I, bool PP, IdentifierInfo *N, 2512efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor QualType Canon) 251335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 251435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 251577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(N) { } 251672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 25171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 251835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true, 251935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 252077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(0) { } 252172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2522fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 252372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2524fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 2525efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getDepth() const { return Depth; } 2526efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getIndex() const { return Index; } 2527efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor bool isParameterPack() const { return ParameterPack; } 2528efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Name; } 25291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2530bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2531bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2532bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2533fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2534efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Profile(ID, Depth, Index, ParameterPack, Name); 2535fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2536fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 25371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 25381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 2539efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 2540fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 2541fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 254276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 2543efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor ID.AddPointer(Name); 2544fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2545fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 25461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 25471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 254872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 254972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 255072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 2551fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 255249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 255349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 255449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 255549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 255649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 255749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 255849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 255949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 256049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 256149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 256249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 256349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 256435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 256535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Canon->isVariablyModifiedType()), 256649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 256749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 256849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 256949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 257049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 2571efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Replaced->getName(); } 2572efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor 257349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 257449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 257549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 257649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 257749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 257849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 257949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 258049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 258149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 258249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 258349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 258449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 258549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 258649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 258749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 258849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 258949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 259049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 259149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 259249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 259349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 259449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 259549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 259649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 259749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 259849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 259949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 260049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 260149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 260249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 26037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 26047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 260555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 26067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 26077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 26087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 26097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 26107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 261155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 26121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 261355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 26147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 26157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 26167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 26177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 26181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 261955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 262033500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The name of the template being specialized. 26217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 262255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 262340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 262440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 262555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 262655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2627ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 26287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 26297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, QualType Canon); 263055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 263155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 263255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 263355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 263440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 263540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 263640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 26371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 263840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 2639833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 2640833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 2641833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2642d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 2643d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2644df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 2645df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 2646df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 2647d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 2648d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor const PrintingPolicy &Policy); 2649df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 2650833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 2651833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 2652833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 2653833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2654d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 2655d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 2656d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 265731f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 265831f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 265931f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 266071d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 266131f17ecbef57b5679c017c375db330546b7b5145John McCall } 266231f17ecbef57b5679c017c375db330546b7b5145John McCall 266340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 266440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 266540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 266633500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 266740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 26687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 26697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 267055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 267140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 26721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 267340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 267440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 267540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 267640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 267755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 267855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 267955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 268055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 268133500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 268255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 268331f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 268431f17ecbef57b5679c017c375db330546b7b5145John McCall return !isDependentType() || isCurrentInstantiation(); 268531f17ecbef57b5679c017c375db330546b7b5145John McCall } 2686bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 2687bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2688ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Ctx) { 268971d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 269055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 269155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 26927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 269331f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 269431f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 2695828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor ASTContext &Context); 269655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 26971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 26981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 269955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 27007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 270155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 270255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 270331f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 270431f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 270531f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 270631f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 27073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 270831f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 270931f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 27103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 271131f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 271231f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 271331f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 271431f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 271531f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 271631f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 271731f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 271831f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 271931f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 27203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 27213cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 27223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 272331f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 272431f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 272531f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 272631f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 272731f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 272831f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 272931f17ecbef57b5679c017c375db330546b7b5145John McCall /// 273031f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 273131f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 273231f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 27333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 2735c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 2736c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 273743921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 273831f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 273935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 274035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 274131f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 27423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 27433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 274431f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 27453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 274831f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 274931f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 275031f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 27513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2753ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 27543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 275531f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 275631f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 27573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 27593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 27603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 27623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 27633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2764465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 2765465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 2766465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 2767465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 2768465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 2769465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 2770465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 2771465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 2772465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 2773465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 2774465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2775465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 27764a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 27774a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 27784a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 27794a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 27804a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 27814a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 27824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 2783465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 2784465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 27854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 2786465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 2787465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 2788465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 2789465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 2790465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 2791465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 27924a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 2793465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2794465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 2795465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 2796465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 2797465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 2798465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 2799465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 2800465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 280135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor QualType Canonical, bool Dependent, bool VariablyModified) 280277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall : Type(tc, Canonical, Dependent, VariablyModified) { 280377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 280477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 2805465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2806465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 2807465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 280877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 2809465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2810465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2811465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 2812465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 2813465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 2814465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2815465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 2816465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 2817465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2818465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 2819465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2820465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 2821465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 2822465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 2823465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2824465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 2825465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 2826465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2827465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 2828465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2829465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 2830465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2831465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 2832465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2833465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 2834465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 2835465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2836465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2837465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 2838465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 2839465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2840465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2841465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 2842465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 2843465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 2844e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 2845e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 2846465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 2847465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 2848465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 2849465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 2850465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2851ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2852ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 2853e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2854e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 2855e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 2856e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2857465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 2858465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 2859465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 286035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 286135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isVariablyModifiedType()), 2862465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 2863465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 2864465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 2865465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 2866465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2867e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2868e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 2869e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2870e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 287133500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 2872465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2873ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 2874ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2875e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2876e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 2877e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 2878e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2879bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2880bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 2881bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2882bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2883bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2884bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2885e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2886465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 2887e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2888e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2889465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 2890465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 2891465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 2892ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 2893ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 2894ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 2895e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 28961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 2897465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 2898e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2899465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 2900e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 2901e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 29024a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 29034a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 2904d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 29054a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 29064a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 29074a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 29084a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 29094a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 29104a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 2911465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 2912465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2913d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2914d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 2915d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2916d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 291733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 2918d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29194a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 29204a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 292135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 292235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 2923465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 29241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 29254714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 2926d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2927d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2928d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 2929d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2930d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 2931d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 2932d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2933d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29341734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 29351734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 29361734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 29371734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 29381734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 29391734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 29401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 294133500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 29421734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 2943d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2944bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2945bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2946bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2947d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2948465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 2949d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2950d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29514a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 295233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 29534a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 2954d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 295533500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 2956d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2957d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 29594714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 2960d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 29614714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 2962d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 2963d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 296433500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 296533500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 296633500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 296733500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 296833500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 296933500955d731c73717af52088b7fc0e7a85681e7John McCall 297033500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 297133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 297233500955d731c73717af52088b7fc0e7a85681e7John McCall 297333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 297433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 297533500955d731c73717af52088b7fc0e7a85681e7John McCall 297633500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 297733500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 297833500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 297933500955d731c73717af52088b7fc0e7a85681e7John McCall 298033500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 298133500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 298233500955d731c73717af52088b7fc0e7a85681e7John McCall } 298333500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 298433500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 298533500955d731c73717af52088b7fc0e7a85681e7John McCall } 298633500955d731c73717af52088b7fc0e7a85681e7John McCall 2987ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 298833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 298933500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 299033500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 299133500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 299233500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 299333500955d731c73717af52088b7fc0e7a85681e7John McCall 299433500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 299533500955d731c73717af52088b7fc0e7a85681e7John McCall 299633500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 299733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 299833500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 299933500955d731c73717af52088b7fc0e7a85681e7John McCall 300033500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 300133500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 300233500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 300333500955d731c73717af52088b7fc0e7a85681e7John McCall } 300433500955d731c73717af52088b7fc0e7a85681e7John McCall 300533500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 300633500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 300733500955d731c73717af52088b7fc0e7a85681e7John McCall 300833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 300933500955d731c73717af52088b7fc0e7a85681e7John McCall 301033500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 301133500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 301233500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 301333500955d731c73717af52088b7fc0e7a85681e7John McCall 301433500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 301533500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 301633500955d731c73717af52088b7fc0e7a85681e7John McCall 3017ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context) { 301833500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 301933500955d731c73717af52088b7fc0e7a85681e7John McCall } 302033500955d731c73717af52088b7fc0e7a85681e7John McCall 302133500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 302233500955d731c73717af52088b7fc0e7a85681e7John McCall ASTContext &Context, 302333500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 302433500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 302533500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 302633500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 302733500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 302833500955d731c73717af52088b7fc0e7a85681e7John McCall 302933500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 303033500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 303133500955d731c73717af52088b7fc0e7a85681e7John McCall } 303233500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 303333500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 303433500955d731c73717af52088b7fc0e7a85681e7John McCall } 303533500955d731c73717af52088b7fc0e7a85681e7John McCall}; 303633500955d731c73717af52088b7fc0e7a85681e7John McCall 3037c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 3038c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 3039c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 3040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3041c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 3042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 3043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 3044c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3045c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 3046c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 3047c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3048c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 3049c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3050e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 3051e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 3052e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 3053c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3054e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 3055e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 3056e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 3057c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 3058b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 3059b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 306071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 306171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 306271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 306371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 306471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 306571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 306671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 3067c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 3068c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 3069c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 3070c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3071c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 3072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 3073c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 3076c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3077c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 3078c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 3079c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 3080c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3081c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 3082c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 308335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(ObjCInterface, QualType(), false, false), 308471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 3085b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 308671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 3087c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 30883536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 3089e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 3090e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 3091e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 3092e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 3093e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 3094e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 3095c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 309671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 3097c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 3098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 3099c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3100c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 3101c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 3102c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3103c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 3104c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 3105c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 3106c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 3107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 3108c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 3109c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 3110c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 3111c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3112c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 3113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 3114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 3116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 3117c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 3118c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3119c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 3120c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3121c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 3122c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 3123c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3124c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 31251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3126c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 3127c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 3128b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 312914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3130c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 313173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 313273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 313373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 313473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 313573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3136bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3137bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3138bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 3140c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 3141c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 3142c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3143c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 3144c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 3145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3146c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 3147c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 3148c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 3149c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 3150c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 3151c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 3152c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 3154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 3155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3156c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 3157c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 3158c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 3159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 3160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3161c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3162c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 31631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 3164c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 3165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 3166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 3167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 31681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3169c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 3170c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 3171c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 3172c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3173c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3174c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 3175c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 3176c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 3177c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 3178c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 3179e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 3180e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 3181e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 3182e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 3183e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 3184e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 3185e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 3186e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 3187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 3188c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 3189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3190c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 3191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 3192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 3193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 31941fb0caaa7bef765b85972274e3b434af2572c141John McCall 3195c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3196e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 3197deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 3198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3199c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 3200c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 32010b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 32021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 32031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 32043536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 3205a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 3206c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 3208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 3209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 3210c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 3211c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 3212c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 3213c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 3214c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 3215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 3216c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 3217c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 32183536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 32193536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 3220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 3221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 3222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 3223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 3224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 3225c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3226c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3227e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 3228e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 3229e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 3230e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 3231e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 3232e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 323314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 3234e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 3235e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 323614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 3237e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 32381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3239c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 324035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(ObjCObjectPointer, Canonical, false, false), 3241c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 324214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 32431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 324414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 3245e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 3246e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 324714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 324814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3249e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 3250e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 3251e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3252e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 3253e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 3254e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 3255e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 3256e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 3257e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 3258e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 3259e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 3260e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 3261e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 3262e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 3263e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 3264e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 3265e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 3266e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 3267e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 3268e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 3269e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 3270e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 3271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 3272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return PointeeType->getAs<ObjCObjectType>(); 3273c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3274c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3275e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 3276e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 3277e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 3278e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3279e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 32801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 3281c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 328214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3283e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3284e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 3285e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 3286e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3287e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 328814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 3289e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 329014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3291e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3292e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 3293e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 329414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 3295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 329614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3297e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3298e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 3299e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 330014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 3301c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 3302de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 33038d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 3304e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 3305e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 33061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 3307c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 3308de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 3309e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3310e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 3311e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 3312470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 3313c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 331414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3315e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3316e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 3317e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 3318e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 3319c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 332014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 332171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 3322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 332371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3324c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 3325c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 332671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3327c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 332814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3329e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 3330e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 3331c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 3332c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 3333c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 333414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3335e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 3336e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 333773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 3338c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 333973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 334073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3341bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3342bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3343bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3344e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3345e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 3346e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 3347c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 3348c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 3349c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 33501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 33511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 335214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 335314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 335414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 33551bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 33560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 33570953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 33580953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 335949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 33600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 33620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// unqualified type. 33630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *strip(QualType QT) { 3364a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor addFastQualifiers(QT.getLocalFastQualifiers()); 3365a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (QT.hasLocalNonFastQualifiers()) { 33660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = QT.getExtQualsUnsafe(); 33670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(EQ->getQualifiers()); 33680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getBaseType(); 33690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QT.getTypePtrUnsafe(); 33710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 337449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType apply(ASTContext &Context, QualType QT) const; 33750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 337749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType apply(ASTContext &Context, const Type* T) const; 33780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 33790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3381611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 33825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3383467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 3384467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall const Type *T = getTypePtr(); 3385a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) 3386467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified() && !isa<ArrayType>(T); 3387467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified(); 3388467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 3389467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 339054e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 3391a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 3392745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 339354e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 3394745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if ((*this)->isPointerType()) { 3395745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType BaseType = (*this)->getAs<PointerType>()->getPointeeType(); 3396745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (isa<VariableArrayType>(BaseType)) { 3397745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArrayType *AT = dyn_cast<ArrayType>(BaseType); 3398745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian VariableArrayType *VAT = cast<VariableArrayType>(AT); 3399745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (VAT->getSizeExpr()) 3400745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = BaseType.getTypePtr(); 3401745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 3402745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 340354e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->isCanonicalUnqualified() && 340454e14c4db764c0636160d26c5bbf491637c83a76John McCall !isa<FunctionType>(T) && !isa<ArrayType>(T); 340554e14c4db764c0636160d26c5bbf491637c83a76John McCall} 340654e14c4db764c0636160d26c5bbf491637c83a76John McCall 3407fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 3408fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 3409fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalConstQualified(); 3410fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3411fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3412fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 3413fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 3414fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalRestrictQualified(); 3415fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3416fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3417fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3418fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 3419fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 3420fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalVolatileQualified(); 3421fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3422fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3423fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 3424fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 3425fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers(); 3426fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3427fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3428fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline Qualifiers QualType::getQualifiers() const { 3429fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers Quals = getLocalQualifiers(); 3430fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Quals.addQualifiers( 3431fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalQualifiers()); 3432fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return Quals; 3433fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3434fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3435fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline unsigned QualType::getCVRQualifiers() const { 3436fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getLocalCVRQualifiers() | 3437fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalCVRQualifiers(); 3438fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3439e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 3440e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// getCVRQualifiersThroughArrayTypes - If there are CVR qualifiers for this 3441e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type, returns them. Otherwise, if this is an array type, recurses 3442e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// on the element type until some qualifiers have been found or a non-array 3443e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type reached. 3444e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruthinline unsigned QualType::getCVRQualifiersThroughArrayTypes() const { 3445e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (unsigned Quals = getCVRQualifiers()) 3446e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return Quals; 3447e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3448e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3449e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return AT->getElementType().getCVRQualifiersThroughArrayTypes(); 3450e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return 0; 3451e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth} 3452e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 345349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 345449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 34550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 34560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 345749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 345849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 34590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 34600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 346149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 346249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 34630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 34640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 346549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 34666b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 346749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall assert(Qualifiers::CVRMask == Qualifiers::FastMask); 34680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 347049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 3471ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3472ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 3473ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 3474ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 3475a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 34760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 34770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 34780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 34790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34814243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3482a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 34830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 34840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 34850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 34860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34884243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3489c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT->getElementType().getAddressSpace(); 34904243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const RecordType *RT = dyn_cast<RecordType>(CT)) 34918e7dafec4b70303dfaff95151cd06bfc5532720cNate Begeman return RT->getAddressSpace(); 3492ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb return 0; 3493ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3494611c1fff195d32df97706e0920c92468b2509900Chris Lattner 3495d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 34960953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 3497a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 34980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 34990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 35000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 35010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3503d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3504a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 35050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 35060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 35070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 35080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3510d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3511d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return AT->getElementType().getObjCGCAttr(); 3512183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *PT = CT->getAs<ObjCObjectPointerType>()) 35131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 3514ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian // We most look at all pointer types, not just pointer to interface types. 3515ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian if (const PointerType *PT = CT->getAs<PointerType>()) 35161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 35170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 3518d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 35192455636163fdd18581d7fdae816433f886d88213Mike Stump 3520264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 3521264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 3522183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 3523264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 3524264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 3525264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 35262455636163fdd18581d7fdae816433f886d88213Mike Stump 3527264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 35282455636163fdd18581d7fdae816433f886d88213Mike Stump} 35291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3530264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 3531264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 3532ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 3533ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 3534b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// \brief Determine whether this set of qualifiers is a superset of the given 3535b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// set of qualifiers. 3536b87786f045d798b070980c108c922e1475d27b15Douglas Gregorinline bool Qualifiers::isSupersetOf(Qualifiers Other) const { 3537b87786f045d798b070980c108c922e1475d27b15Douglas Gregor return Mask != Other.Mask && (Mask | Other.Mask) == Mask; 3538b87786f045d798b070980c108c922e1475d27b15Douglas Gregor} 3539b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 3540e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 3541e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 3542e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 3543e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 3544e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 3545e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isMoreQualifiedThan(QualType Other) const { 35460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3547e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3548e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3549ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3550ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3551e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return MyQuals != OtherQuals && (MyQuals | OtherQuals) == MyQuals; 3552e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3553e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3554e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 3555e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 3556e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 3557e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 3558e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isAtLeastAsQualifiedAs(QualType Other) const { 35590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3560e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3561e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3562ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3563ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3564e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return (MyQuals | OtherQuals) == MyQuals; 3565e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3566e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3567e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 3568e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 3569e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 3570e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 3571e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 3572e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 3573e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 3574e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 3575e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 3576e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 35776217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 3578e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 3579e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 3580e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 3581e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3582e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3583611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 3584a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 3585611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3586611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 3587a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 3588611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 358958f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 359058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 359158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 35925618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 3593a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 35945618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 3595bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 3596a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 3597bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 35987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 3599a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 36007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 36017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 3602a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 36037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 3604498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 36056217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* T = getAs<PointerType>()) 3606498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 3607498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 3608498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 3609498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 3610f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 3611a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 3612f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3613f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 36146217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 36150bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 3616f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 3617f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 3618f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3619db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 3620db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 36210bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 3622db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 3623db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 3624db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 3625611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 3626a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 3627611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3628c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 3629a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 3630c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3631c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 3632a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 3633c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3634c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 3635a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 3636c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3637898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 3638a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 3639898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 36403ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 36413ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 36423ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3643611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 3644a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 3645611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 36463ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 36473ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 36483ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3649f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 3650a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 3651f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 3652611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 3653a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 3654611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3655213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 3656a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 3657611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3658d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 3659a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 3660d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 3661c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 3662c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 3663368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 3664569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 3665569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 3666569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 3667569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 3668569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 3669a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 3670183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3671d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 3672d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 3673d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 3674470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 3675183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3676470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 3677470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 3678470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 367914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 3680183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 368114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 368214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 368314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 368414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 3685183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 368614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 368714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 368814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 368913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 36908d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 36918d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 369213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 369313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 3694de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 369513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 3696de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 369772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 3698a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 369972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 370072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3701e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 3702183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 3703e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 3704e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 3705e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 3706e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 3707e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 37082a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 37092a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 37102a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 37112a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 37122a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 37132a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3714063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 3715063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 3716063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 3717063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 3718904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 3719904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 37208958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 37218958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 3722c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 37238958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 37248958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 3725820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 3726c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 3727820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 3728820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 372922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 373022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 373122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 373222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 373322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 373422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 373522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 373622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 37371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 373847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 373947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 374047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 374147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 374247c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 374347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 374447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 374547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 374647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 374789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 374889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 374989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 375089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 375189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 375289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 375389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 375489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 375589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 375689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 37571a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 37581a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 375989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 376089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 376189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 37621a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 37631a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 37641a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 37651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37661a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 37670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 37681a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 37691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 37711a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 3772bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 37731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 377422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 37755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 37765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 37775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3778