Type.h revision b7b2688bab0eac053d3e2938b329c8e523fd252b
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 { 386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignmentInBits = 3, 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. 1320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastWidth = 2, 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 3300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// ExtQuals - We can encode up to three 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/// 3360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// The current design tags the 'const' and 'restrict' qualifiers in 3370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// two low bits on the QualType pointer; a third bit records whether 3380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// the pointer is an ExtQuals node. 'const' was chosen because it is 3390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// orders of magnitude more common than the other two qualifiers, in 3400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// both library and user code. It's relatively rare to see 3410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'restrict' in user code, but many standard C headers are saturated 3420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// with 'restrict' declarations, so that representing them efficiently 3430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// is a critical goal of this representation. 3440953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass ExtQuals : public llvm::FoldingSetNode { 3450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // NOTE: changing the fast qualifiers should be straightforward as 3460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // long as you don't make 'const' non-fast. 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 1. Qualifiers: 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers must occupy the low-order bits. 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update Qualifiers::FastWidth and FastMask. 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 2. QualType: 3520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 3530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update remove{Volatile,Restrict}, defined near the end of 3540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this header. 3550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 3. ASTContext: 3560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update get{Volatile,Restrict}Type. 3570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Context - the context to which this set belongs. We save this 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// here so that QualifierCollector can use it to reapply extended 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers to an arbitrary type without requiring a context to 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// be pushed through every single API dealing with qualifiers. 3620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext& Context; 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// BaseType - the underlying type that this qualifies 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType; 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Quals - the immutable set of qualifiers applied by this 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// node; always contains extended qualifiers. 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals(ASTContext& Context, const Type *Base, Qualifiers Quals) 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Context(Context), BaseType(Base), Quals(Quals) 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall { 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(Quals.hasNonFastQualifiers() 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with no fast qualifiers"); 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with fast qualifiers"); 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getQualifiers() const { return Quals; } 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Quals.hasVolatile(); } 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getBaseType() const { return BaseType; } 3921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext &getContext() const { return Context; } 3940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3950953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getBaseType(), Quals); 3980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 4000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType, 4010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals) { 4020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 4030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddPointer(BaseType); 4040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.Profile(ID); 4050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 4070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 408ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 409ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 410ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 411ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 412ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 413f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 41452fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 41552fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86Pascal // __attribute__((pascal)) 416ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 417ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4310953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 444fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedTypeSlow() const; 445fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4485cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4505cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 455a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 456a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type *getTypePtr() const { 462a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 4630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getExtQualsUnsafe()->getBaseType()); 4640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getTypePtrUnsafe()); 4650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4675cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static QualType getFromOpaquePtr(void *Ptr) { 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 4705cf243a883872441d73ca49cea7e20de5802629bChris Lattner T.Value.setFromOpaqueValue(Ptr); 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type &operator*() const { 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *operator->() const { 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 482467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 48354e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 484467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 4870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 490a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 491a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 492a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 493a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 494a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 4950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 496a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 497a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 498fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 499a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 500a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 501a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 502a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 503a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 504a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 505a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 506a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 507a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 508fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 509a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 510a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 511a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 512a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 513a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 514a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (hasLocalNonFastQualifiers() && getExtQualsUnsafe()->hasVolatile()); 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 517a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 518fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 520a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 521a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 522a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 523a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 524a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 527a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 528fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 529a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 530a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 531a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 532a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 533a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 534a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 537a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers getLocalQualifiers() const { 5410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 542a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 5430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals = getExtQualsUnsafe()->getQualifiers(); 544a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Quals.addFastQualifiers(getLocalFastQualifiers()); 5450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 5460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 548a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 549fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 550a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 551a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 552a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 553a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 554a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 555a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned CVR = getLocalFastQualifiers(); 556a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (isLocalVolatileQualified()) 557a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CVR |= Qualifiers::Volatile; 5580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CVR; 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 560b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 561a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 562a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 563fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 564e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 565e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 566e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// applied to this type, looking through any number of unqualified array 567e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// types to their element types' qualifiers. 568e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned getCVRQualifiersThroughArrayTypes() const; 569e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 570bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 571bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 572bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 5750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 5760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 5780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 5790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 5800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 5820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 5830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 5860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 5870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 5880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 5890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 591a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // FIXME: The remove* functions are semantically broken, because they might 592a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // not remove a qualifier stored on a typedef. Most of the with* functions 593a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // have the same problem. 5940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst(); 5950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile(); 5960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict(); 5970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned Mask); 5980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { Value.setInt(0); } 6000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned Mask) { 6010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 6020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 6030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 6060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 6070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 6080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 6100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 6110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6121c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 6130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 6140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 6150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withExactFastQualifiers(unsigned TQs) const { 6160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withoutFastQualifiers().withFastQualifiers(TQs); 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 6200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withoutFastQualifiers() const { 6210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.removeFastQualifiers(); 6230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 624c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 625971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 626a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 627a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 628a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 629a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 631a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return the unqualified form of the given type, which might be 632a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// desugared to eliminate qualifiers introduced via typedefs. 633fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedType() const { 634fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType T = getLocalUnqualifiedType(); 635fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor if (!T.hasQualifiers()) 636fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return T; 637fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 638fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getUnqualifiedTypeSlow(); 639a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 640a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 641e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 642e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 643e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6456398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 6466398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 6475291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 6486398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 6496398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 6506398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 6515291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 6525291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 6536398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 6545291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 6552fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 6562fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 6572fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 6582fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 6592fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 6602fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 6610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 6620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 663bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType getDesugaredType() const { 664bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::getDesugaredType(*this); 665bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 66698cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 66950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 67050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 67250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 67350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 675d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString() const; 676d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 677d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 679d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 682e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 683e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy) const; 6841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 685c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 686c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 6871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6883f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 6893f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 6903f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 692ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 693ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 695d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 6960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 697f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 698f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 699f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 7000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 701f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 702f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 703f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 704f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 7050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 706f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 7072455636163fdd18581d7fdae816433f886d88213Mike Stump 708bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 709bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 710bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 711bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 712bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 713bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static QualType getDesugaredType(QualType T); 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef ::clang::Type* SimpleType; 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Val.getTypePtr(); 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 7291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7304e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 7314e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 732daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 7334e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 7344e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 7354e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 7364e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7374e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 7384e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 7394e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 7410eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 7424e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 74473af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 75972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 76272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Type { 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 77672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 77727935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 77872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 77972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 78072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 7821bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 784c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 785c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 786c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CanonicalType; 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 789b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 790b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 791b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 792b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 79327935ee59c30b0d8b610ab676aab8e65350af932John McCall 794b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 795b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 796b870b88df784c2940efce448ebfaf54dece14666John McCall 797b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 798b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 799b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 800bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 80160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 802b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 803bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 80435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 8051fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 8061fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 8071fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 8081fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 80960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 810b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 811b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 81207a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 813b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 814bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 815db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 816b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 817bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 818b870b88df784c2940efce448ebfaf54dece14666John McCall 8191fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 8201fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 8211fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8221fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 8231fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8241fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 8251fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8261fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 8271fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8281fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 8291fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8301fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 8311fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8321fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 8331fb0caaa7bef765b85972274e3b434af2572c141John McCall } 834b870b88df784c2940efce448ebfaf54dece14666John McCall }; 835b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NumTypeBits = 16 }; 836b870b88df784c2940efce448ebfaf54dece14666John McCall 837b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 838b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 839b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 840b870b88df784c2940efce448ebfaf54dece14666John McCall 841b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 842b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 843b870b88df784c2940efce448ebfaf54dece14666John McCall 844b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 845b870b88df784c2940efce448ebfaf54dece14666John McCall 846b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 847b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 848b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 849b870b88df784c2940efce448ebfaf54dece14666John McCall 850b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 851b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 852b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 853b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 854b870b88df784c2940efce448ebfaf54dece14666John McCall }; 855b870b88df784c2940efce448ebfaf54dece14666John McCall 856b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 857b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 858b870b88df784c2940efce448ebfaf54dece14666John McCall 859b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 860b870b88df784c2940efce448ebfaf54dece14666John McCall 861b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 862b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 863b870b88df784c2940efce448ebfaf54dece14666John McCall }; 864b870b88df784c2940efce448ebfaf54dece14666John McCall 865b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 866b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 867b870b88df784c2940efce448ebfaf54dece14666John McCall 868b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 869b870b88df784c2940efce448ebfaf54dece14666John McCall 870b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 871b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 872b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned ExtInfo : 8; 873b870b88df784c2940efce448ebfaf54dece14666John McCall 874b870b88df784c2940efce448ebfaf54dece14666John McCall /// A bit to be used by the subclass. 875bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SubclassInfo : 1; 876b870b88df784c2940efce448ebfaf54dece14666John McCall 877b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 878b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 879b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 880b870b88df784c2940efce448ebfaf54dece14666John McCall /// 881b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 882b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 883b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 884b870b88df784c2940efce448ebfaf54dece14666John McCall }; 885b870b88df784c2940efce448ebfaf54dece14666John McCall 886b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 887b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 888b870b88df784c2940efce448ebfaf54dece14666John McCall 889b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 890b870b88df784c2940efce448ebfaf54dece14666John McCall 891b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 892b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 893b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 894b870b88df784c2940efce448ebfaf54dece14666John McCall }; 895b870b88df784c2940efce448ebfaf54dece14666John McCall 896b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 897b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 898b870b88df784c2940efce448ebfaf54dece14666John McCall 899b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 900b870b88df784c2940efce448ebfaf54dece14666John McCall 901b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 902b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 903b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 904b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 905b870b88df784c2940efce448ebfaf54dece14666John McCall /// 906b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 907b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 908b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 909b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 910b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 911b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 912bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 913b870b88df784c2940efce448ebfaf54dece14666John McCall 914b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 915b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 916bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 917b870b88df784c2940efce448ebfaf54dece14666John McCall }; 918b870b88df784c2940efce448ebfaf54dece14666John McCall 91977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 92077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 92177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 92277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 92377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 92477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 92577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 92677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 92777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 928b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 929b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 93007a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 931b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 93271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 933e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 934e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 935cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 936b870b88df784c2940efce448ebfaf54dece14666John McCall 937b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 938cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 939b870b88df784c2940efce448ebfaf54dece14666John McCall }; 940b870b88df784c2940efce448ebfaf54dece14666John McCall 941b870b88df784c2940efce448ebfaf54dece14666John McCall union { 942b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 943b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 944b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 945b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 946b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 947b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 94877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 949b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 950b870b88df784c2940efce448ebfaf54dece14666John McCall }; 951b870b88df784c2940efce448ebfaf54dece14666John McCall 952b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 9533c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 9543c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 955b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 95607a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 95707a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 958b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 9591fb0caaa7bef765b85972274e3b434af2572c141John McCall 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 961124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 962124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 96335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(TypeClass tc, QualType Canonical, bool Dependent, bool VariablyModified) 964b870b88df784c2940efce448ebfaf54dece14666John McCall : CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical) { 965b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 966b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 967b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 9681fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 969b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 970b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 971b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 972b870b88df784c2940efce448ebfaf54dece14666John McCall } 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 9741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 975b870b88df784c2940efce448ebfaf54dece14666John McCall void setDependent(bool D = true) { TypeBits.Dependent = D; } 976b870b88df784c2940efce448ebfaf54dece14666John McCall void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; } 97735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 9788b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 979b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 9801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9813c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 982b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 98307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 984467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 985467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return CanonicalType.getTypePtr() == this; 986467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 9901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 9925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 9941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 9955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 996d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 997d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 998d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 999d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1000d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1001d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 100264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 100364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 100464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl bool isPODType() const; 100564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1006ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1007ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1008ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1009ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1011ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1012e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 10139b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 10149b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 10159b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1016e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1017e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 10181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10192a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 10202a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 10212a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 10222a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 10232a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 10242a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 102596d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 102696d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 10275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 102813b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 102913b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 103013b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 103177a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 103220093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 10339d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 103420093b4bf698f292c664676987541d5103b65b15Douglas Gregor 10352ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 10362ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 10371274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 10381274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 10391274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 10402ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 104302f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 104402f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 10455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1046f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 10485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1050c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1051c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1052c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1053d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1055c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1056ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1057c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1058183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1059183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1060befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 106158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 10625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 10637154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1064a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 10657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 10667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1067bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1068f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1069f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1070db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1071c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1072c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1073c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1074c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1075898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1076c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 10781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1079fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 10804cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1081368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1082368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1083213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1084d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff bool isObjCObjectPointerType() const; // Pointer to *any* ObjC object. 108514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 108614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1087c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1088368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1089368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1090470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1091569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 109214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 109314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 109413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1095de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 109672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 10976e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1098898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1099daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 1100daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Pointer, 1101daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1102daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1103daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1104daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1105daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1106daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1107daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1108daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1109daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1110daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1111898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 11121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1113898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1114b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 111535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 111635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1117b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 111835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1119db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1120db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1121db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1122063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 112372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 11244033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 11254033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 11264033642464e8ba0982f88f34cffad808d247b393Douglas Gregor 11278958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 11288958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 11298958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 11306e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 11318958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 11328958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1133820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1134820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 11351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1136820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1137f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1138f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1139f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1140f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1141f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1142f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1143f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1144f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1145f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1146f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1147f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1148f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 11498eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 11508eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 11518eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1152f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1153c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1154f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1155f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1156769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1157898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1158c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 11594cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 116014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 116114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 116214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 116314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1164c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1165a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 11661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1167c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1168c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1169c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1170c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 1171c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1172fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // Member-template getAs<specific type>'. Look through sugar for 1173fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // an instance of <specific type>. This scheme will eventually 11741a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // replace the specific getAsXXXX methods above. 1175183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // 1176183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // There are some specializations of this member template listed 1177183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // immediately following this class. 11781a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 11791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1180c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1181c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1182c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1183c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 11841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1185f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1186f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 118714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1189bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1190bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1191bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1192bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 11931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1198d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 1199d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 1200d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// integer element type. 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 1204d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 1205d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 1206d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// element type. 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1208d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 12109bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 12119bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 12123c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1213c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 121422b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 121522b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 121622b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 121722b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 12180b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 121960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 12201fb0caaa7bef765b85972274e3b434af2572c141John McCall 12211fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 12221fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 12231fb0caaa7bef765b85972274e3b434af2572c141John McCall 12241fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 12251fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 122660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 122760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 122860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 122960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 123060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 12310b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1232ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1233ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1234ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1235ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1236c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 12375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1238be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1239c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1240a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 12415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1243183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1244183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1245183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1246183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1247183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1248183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1249183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1250183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1251183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 12520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1253183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1254183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1255183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1256183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 12585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 12631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 12665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 1267f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1268f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 12695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 12715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 12732df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 12765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 12772ff9b4c7c8fed9233a0b8de2e9507368c451aab6Argyrios Kyrtzidis WChar, // This is 'wchar_t' for C++. 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 12822df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 12831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12848e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 12858e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 12866e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 12876e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 12882a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 12892a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 12902a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 12912a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 12922a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 12932a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1294898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Overload, // This represents the type of an overloaded function declaration. 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1296de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff UndeducedAuto, // In C++0x, this represents the type of an auto variable 1297e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // that has not been deduced yet. 1298e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1299e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'id' type. The type pointed to by the 1300e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'id' type. Only ever shows up in an AST as the base 1301e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type of an ObjCObjectType. 1302e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCId, 1303e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1304e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'Class' type. The type pointed to by the 1305e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'Class' type. Only ever shows up in an AST as the 1306e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// base type of an ObjCObjectType. 1307e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCClass, 1308e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 130913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSel // This represents the ObjC 'SEL' type. 13105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 131171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 13125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 131435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 131571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall /*VariablyModified=*/false) { 1316b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 131771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 13181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1319b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 1320e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 13211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1322bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1323bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1324bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1325680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 132671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1327680523a91dd3351389667c8de17121ba7ae82673John McCall } 1328680523a91dd3351389667c8de17121ba7ae82673John McCall 1329680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 133071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1331680523a91dd3351389667c8de17121ba7ae82673John McCall } 1332680523a91dd3351389667c8de17121ba7ae82673John McCall 1333680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 133471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1335680523a91dd3351389667c8de17121ba7ae82673John McCall } 1336680523a91dd3351389667c8de17121ba7ae82673John McCall 1337680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 133871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1339680523a91dd3351389667c8de17121ba7ae82673John McCall } 1340680523a91dd3351389667c8de17121ba7ae82673John McCall 13412a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// Determines whether this type is a "forbidden" placeholder type, 13422a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// i.e. a type which cannot appear in arbitrary positions in a 13432a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// fully-formed expression. 13442a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 134571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() == Overload || 134671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall getKind() == UndeducedAuto; 13472a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 13482a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 13505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 13515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 135935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 136035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Element->isVariablyModifiedType()), 1361898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 13625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 136460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 13655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 13671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1368bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1369bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1370bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 13725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 13735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 13755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 13805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 138268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1383bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 138468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1385bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 138835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 138935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 139035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 139360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 139668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 139768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1398bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1399bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1400bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 14025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 14035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 14055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 14065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 14095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 14105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14125618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 14135618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 14145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 14155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 14165618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 14175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 14185618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 141935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 142035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 1421898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 14225618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 142460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 14261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 14285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 14295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1430bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1431bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1432bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 14345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 14355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 14375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 14385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 14411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 14425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 14445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 14455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 14467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 14475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 144868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 144968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 145068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 14517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 145254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 145354e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 145435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 145571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Referencee->isVariablyModifiedType()), PointeeType(Referencee) { 1456b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1457b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 145960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1461b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1462b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 146373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 146454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 146554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 146654e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 146754e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 146871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 146954e14c4db764c0636160d26c5bbf491637c83a76John McCall T = T->PointeeType->getAs<ReferenceType>(); 147054e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 147154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 147268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 14735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 147471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 14755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 147654e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 147754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 147854e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 14795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 148054e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 14815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 14847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 14857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 14867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 14875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 14887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 14897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 14917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 14927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 149354e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 149454e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 149554e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 149654e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 14977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 14987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1499bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1500bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1501bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 15037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 15047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 15067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 15077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 15097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 15107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 15117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 151254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 15137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 15157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1516bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1517bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1518bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 15207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 15217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1523f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1524f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1525f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1526f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1527f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1528f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1529f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1530f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1531f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1532f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1533f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1534f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 153535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 153635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 1537f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1538f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1539f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 154060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1541f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1542f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1543f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 15440bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 15450bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 15460bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 15470bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 15480bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 15490bab0cdab751248ca389a5592bcb70eac5d39260John McCall 15500bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 15510bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 15520bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 15530bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 15540bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 15550bab0cdab751248ca389a5592bcb70eac5d39260John McCall 1556f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1557f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1558bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1559bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1560bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1561f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1562f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1563f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1564f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 1565f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 1566f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 1567f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 1568f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1569f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1570f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 1571f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 1572f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1573f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 15745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 15755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 15782e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 15795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 15805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 1581898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 1582898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 1583898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 15845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 15855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 15865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1588fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 1589fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 15901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1591fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 1592898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 1593898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 1594898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 1595898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 1596898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 1597c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 1598c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 159935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 160035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor (tc == VariableArray || et->isVariablyModifiedType())), 160171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 1602b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 1603b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 160471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1605898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1606fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 160760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1608fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1609fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 1610ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 1611b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 1612ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 16130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 161471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 161571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 161671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 1617b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 16180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 16191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1620fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 1621fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 1622c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 1623898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 1624898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 1625fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1626fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 1627fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1628fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 16297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 16307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 16317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 16327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 16332e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 1634fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 16351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16360be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 1637c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 16387e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq), 16397e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 16407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 16417e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 16427e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 16437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(tc, et, can, sm, tq), Size(size) {} 1644fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1645fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1646c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 1647bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1648bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1649bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16502767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 16512767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 16522767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 16532767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 16542767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 16552767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 16562767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 16572767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 16582767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 16592767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 16602767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 1661fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 16621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 16630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 1664fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1665fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 16660be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 16670be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 1668fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 1669fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 16700be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 16710be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1672fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 16737e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 167446a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 1675fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1676fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 1677fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1678fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 1679da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 1680da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 1681da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 1682c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 16837e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1684c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 16857e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 1686c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman : ArrayType(IncompleteArray, et, can, sm, tq) {} 1687c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 1688c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 1689bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1690bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1691bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 16931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 1694c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1695c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 16961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1697c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 16981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1699c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 17000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 17010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 1702c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 17031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17040be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 17050be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 1706c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 17070be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 17080be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1709c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1710c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 1711c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1712da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 1713da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 1714da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 1715da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1716da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 1717da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 1718da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 1719da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 1720da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1721da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 1722da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 1723da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 1724da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 1725da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 1726da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 17272e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 17281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 17291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 1730b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 17317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 17327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 17337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1734c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 17357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 17367e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 17377e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq), 17387e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 17395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 17404b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 17415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1743b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 1744b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 1745b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 1746b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 17477e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 17487e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 17497e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 17501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1751bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1752bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1753bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 17551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 17565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1757fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 17581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 175992866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 17601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17612bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 1762bc5e150b6d94cf131f7d01bc715571b741c5b408Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 17632bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 17645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1766898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 1767898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 1768cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1769cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 17701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 1771898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 1772898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 1773898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 1774cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 1775cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1776898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 1777898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 1778898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 1779898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 178004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASTContext &Context; 17811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1782cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 1783898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 1784cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 1785cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 1786cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 1787898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 1788cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 17897e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 17907e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 17911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedArrayType(ASTContext &Context, QualType et, QualType can, 179304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 17947e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 17957e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(DependentSizedArray, et, can, sm, tq), 179604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Context(Context), SizeExpr((Stmt*) e), Brackets(brackets) {} 1797898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 1798898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1799898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 18001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1801898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 1802898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 1803898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 1804898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 18057e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 18067e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 18077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 18081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1809bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1810bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1811bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 1814898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1815898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 18161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1817898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 18181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1820898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 18211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 18220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 1823898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 18241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 18261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 182704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 1828898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 1829898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1830f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 18319cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 18329cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 18339cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 18349cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 18359cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 18369cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 18379cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 18382ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 18392ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor ASTContext &Context; 18409cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 18419cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 18429cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 18439cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 18441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType(ASTContext &Context, QualType ElementType, 18462ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc) 184735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(DependentSizedExtVector, can, /*Dependent=*/true, 184835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor ElementType->isVariablyModifiedType()), 18491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context(Context), SizeExpr(SizeExpr), ElementType(ElementType), 18502ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor loc(loc) {} 18519cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 18529cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 18539cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 18542ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 18559cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 18569cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 18579cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 1858bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1859bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1860bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 18639cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 18641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 18652ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 18662ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 18672ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 18682ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18702ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 18712ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 18729cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 18731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 187573322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 187782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 187882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 187973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 18805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 1881788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 1882e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 1883e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 1884e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 1885e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 1886e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 1887491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 1888491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 1889788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 189073322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 18915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 18925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 18931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 1895e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind vecKind) : 189635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Vector, canonType, vecType->isDependentType(), 189771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall vecType->isVariablyModifiedType()), ElementType(vecType) { 1898e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorTypeBits.VecKind = vecKind; 1899b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBits.NumElements = nElements; 190071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 190135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 19021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 1903e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson QualType canonType, VectorKind vecKind) 190435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, canonType, vecType->isDependentType(), 190571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall vecType->isVariablyModifiedType()), ElementType(vecType) { 1906e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorTypeBits.VecKind = vecKind; 1907b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBits.NumElements = nElements; 190871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 19095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 191060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 1914b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 19155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1916bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1917bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1918bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1919e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 1920e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 192171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1922788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 19235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 192471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 1925e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 19265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 192882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 1929e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 19305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 19315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 193273322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 1933e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 193473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 19350b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 19361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 19385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 19405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1942213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 1943213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 1944213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 1945fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 1946fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 1947213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 1948213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 1949e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 195073322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 195173322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 195288dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 195388dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 195488dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 195588dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 195688dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 195788dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 195888dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 195988dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 1960e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 1961353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 196288dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 1963353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 1964353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 1965353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 1966353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 1967353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 1968353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 1969353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 1970353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 1971353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 1972353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 1973353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 1974131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 1975353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 1976131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 1977353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 1978131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 1979353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 1980131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 1981353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 1982131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 1983353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 1984131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 1985353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 198688dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 1987e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 19881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1989b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 1990b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 1991353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 1992b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 19931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 199488dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 1995b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 199671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 199788dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 1998e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 1999bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2000bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2001bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 20031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 200473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2005213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 200673322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 200773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 20085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 200972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 20105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 20125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 20135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2014264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2015264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2016264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // This class is used for passing arround the information needed to 2017264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // construct a call. It is not actually used for storage, just for 2018264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // factoring together common arguments. 2019425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // If you add a field (say Foo), other than the obvious places (both, constructors, 2020425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // compile failures), what you need to update is 2021425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Operetor== 2022425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2023425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2024425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2025425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2026425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2027425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2028425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2029425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 20303c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2031425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2032425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2033264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 2034b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2035b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2036b870b88df784c2940efce448ebfaf54dece14666John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask), 2037b870b88df784c2940efce448ebfaf54dece14666John McCall RegParmOffset = 4 }; 2038b870b88df784c2940efce448ebfaf54dece14666John McCall 203971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned Bits; 204071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 204171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(unsigned Bits) : Bits(Bits) {} 204271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 204371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 204471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2045264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2046264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 20473c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 204871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(bool noReturn, unsigned regParm, CallingConv cc) { 2049b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2050b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2051b870b88df784c2940efce448ebfaf54dece14666John McCall (regParm << RegParmOffset); 205271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2053264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2054264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2055264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 205671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2057264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2058b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2059b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParm() const { return Bits >> RegParmOffset; } 2060b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2061264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 206271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 206371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2064264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 206571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 206671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2067264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2068264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2069264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2070264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2071264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2072264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 207371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 207471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 207571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 207671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2077425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2078425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2079425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 2080b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~RegParmMask) | (RegParm << RegParmOffset)); 2081264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2082264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2083264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2084b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2085264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2086264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 208771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 208871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 208971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2090264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2091264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 20925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2093971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis FunctionType(TypeClass tc, QualType res, bool SubclassInfo, 20942455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned typeQuals, QualType Canonical, bool Dependent, 209571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool VariablyModified, ExtInfo Info) 209671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall : Type(tc, Canonical, Dependent, VariablyModified), ResultType(res) { 2097b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2098b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.SubclassInfo = SubclassInfo; 2099b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 210071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2101b870b88df784c2940efce448ebfaf54dece14666John McCall bool getSubClassData() const { return FunctionTypeBits.SubclassInfo; } 2102b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 21035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 21065291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2107b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2108b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2109b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2110b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 21115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21125291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 21135291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 21145291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 21156398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 21165291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 21175291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 211804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 211904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 21205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 21215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 21225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 21235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 21255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 212772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 21285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 212972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 213071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 21311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : FunctionType(FunctionNoProto, Result, false, 0, Canonical, 213235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*Dependent=*/false, Result->isVariablyModifiedType(), 213335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Info) {} 21345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 213560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 21365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 21381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2139bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2140bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2141bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2143264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 21445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21452455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 214671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 214771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 21485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 21495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 21525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 21535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 215472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 21555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 215772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 21585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2159465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2160465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2161465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 216272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 216372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType(QualType Result, const QualType *ArgArray, unsigned numArgs, 2164465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned typeQuals, bool hasExs, 2165465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExs, const QualType *ExArray, 2166264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola unsigned numExs, QualType Canonical, 216735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor const ExtInfo &Info); 2168465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 21695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2170465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumArgs : 20; 2171465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2172465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 2173465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumExceptions : 10; 2174465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2175465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// HasExceptionSpec - Whether this function has an exception spec at all. 2176465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool HasExceptionSpec : 1; 2177465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2178465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// AnyExceptionSpec - Whether this function has a throw(...) spec. 2179465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool AnyExceptionSpec : 1; 2180465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2181942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2182942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2183465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2184465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2185465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2186465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 21875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 21884b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 21895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 21915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 21925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2193942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 21945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2195465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2196465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec() const { return HasExceptionSpec; } 2197465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec() const { return AnyExceptionSpec; } 2198465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2199465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2200465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2201465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2202465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 22031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasEmptyExceptionSpec() const { 22041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return hasExceptionSpec() && !hasAnyExceptionSpec() && 2205a12823f6c0ec9e0e644a9d0ee153e973f49c63fcAnders Carlsson getNumExceptions() == 0; 2206d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 2207465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isVariadic() const { return getSubClassData(); } 2209971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 22101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2212942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2213942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2214942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2215942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2216465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2217465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2218465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2219465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2220465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2221465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2222465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 2223465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2224465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2225465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2226bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2227bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2228bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 22305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 22315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 223272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2233465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID); 22355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2236942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 2237465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned TypeQuals, 2238465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec, bool anyExceptionSpec, 22392455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExceptions, exception_iterator Exs, 224071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo ExtInfo); 22415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2244ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2245ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2246ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2247ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2248ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2249ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2250ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 225119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 225235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(UnresolvedUsing, QualType(), true, false), 225319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2254ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2255ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2256ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2257ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2258ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2259ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2260ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2261ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2262ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2263ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2264ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2265ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2266ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2267ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2268ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2269ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2270ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2271ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2272ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2273ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2274ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2275ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2276ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 22775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 22785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *Decl; 2279c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 228019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TypedefType(TypeClass tc, const TypedefDecl *D, QualType can) 228135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, can->isDependentType(), can->isVariablyModifiedType()), 228219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<TypedefDecl*>(D)) { 22835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 22845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 22865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *getDecl() const { return Decl; } 22891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2290a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// LookThroughTypedefs - Return the ultimate type this typedef corresponds to 2291fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor /// potentially looking through *all* consecutive typedefs. This returns the 2292a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// sum of the type qualifiers, so if you have: 2293a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// typedef const int A; 2294a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// typedef volatile A B; 2295a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// looking through the typedefs for B will give you "const volatile A". 2296a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner QualType LookThroughTypedefs() const; 22971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2298bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2299bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2300bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 230172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 23025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 23035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 23045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 230572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 230672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2307d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 23081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2309b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2310dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2311d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2312d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2313d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 23141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2315bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2316bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2317bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2318bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2319bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2320bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 232172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 232272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2323d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2324d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2325c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 23261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2327c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2328c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2329c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2330c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 23311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2332b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 2333b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor ASTContext &Context; 23341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2335b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 23361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentTypeOfExprType(ASTContext &Context, Expr *E) 2337b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 23381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2339bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2340bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2341bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2342b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2343b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2344b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 23451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2346b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 2347b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2348b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 23491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2350d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2351d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2352d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 23531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 235435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TypeOf, can, T->isDependentType(), T->isVariablyModifiedType()), 235535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 2356d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2357d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2358d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2359d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2360d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 23611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2362bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2363bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2364bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2365bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2366bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2367bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 236872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2369d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2370d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 23715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2372395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2373395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2374395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 23751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2376563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2377563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2378563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2379563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 23801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23819d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2382563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2383395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2384395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2385395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2386563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2387563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2388bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2389bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2390bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2391bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2392bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2393bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2394395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2395395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2396395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 23971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2398c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2399c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2400c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2401c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2402c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2403c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 24049d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 24059d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor ASTContext &Context; 24061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24079d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 24089d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType(ASTContext &Context, Expr *E); 24091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2410bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2411bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2412bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24139d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 24149d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 24159d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24179d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 24181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 24199d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 24201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 2422ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 2423ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 2424ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 24252ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 24262ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 242719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 24282ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 24291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 2430ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 24311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24320b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 24331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 2434ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 24350b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 24361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 243772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 243872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 24395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 244072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 244172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 24425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24445edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 24455edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 24465edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 244749aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 244819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 244919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 245072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 245119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 24522ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 24535edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 24541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24555edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 24565edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 24575edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 24581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 24605edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 24611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 24625edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 24635edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 24645edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // FIXME: RecordType needs to check when it is created that all fields are in 24655edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // the same address space, and return that. 24665edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner unsigned getAddressSpace() const { return 0; } 24671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2468bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2469bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2470bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24712daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 24722daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 24732daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 24742daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 24755edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 24765edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 24775edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 24785edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 24795edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 24805edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 248119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 248219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 24832ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 24845edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 24851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24865edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 24875edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 24885edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 24891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2490bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2491bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2492bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24932daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 24942daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 24952daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 24962daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 24975edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 24985edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 24995edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 2500fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 2501efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Depth : 15; 2502efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned ParameterPack : 1; 250377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Index : 16; 2504efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name; 250572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2506efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(unsigned D, unsigned I, bool PP, IdentifierInfo *N, 2507efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor QualType Canon) 250835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 250935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 251077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(N) { } 251172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 25121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 251335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true, 251435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 251577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(0) { } 251672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2517fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 251872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2519fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 2520efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getDepth() const { return Depth; } 2521efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getIndex() const { return Index; } 2522efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor bool isParameterPack() const { return ParameterPack; } 2523efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Name; } 25241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2525bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2526bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2527bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2528fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2529efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Profile(ID, Depth, Index, ParameterPack, Name); 2530fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2531fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 25321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 25331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 2534efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 2535fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 2536fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 253776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 2538efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor ID.AddPointer(Name); 2539fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2540fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 25411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 25421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 254372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 254472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 254572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 2546fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 254749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 254849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 254949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 255049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 255149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 255249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 255349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 255449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 255549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 255649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 255749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 255849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 255935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 256035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Canon->isVariablyModifiedType()), 256149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 256249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 256349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 256449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 256549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 2566efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Replaced->getName(); } 2567efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor 256849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 256949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 257049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 257149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 257249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 257349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 257449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 257549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 257649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 257749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 257849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 257949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 258049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 258149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 258249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 258349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 258449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 258549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 258649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 258749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 258849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 258949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 259049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 259149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 259249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 259349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 259449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 259549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 259649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 259749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 25987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 25997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 260055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 26017532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 26027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 26037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 26047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 26057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 260655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 26071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 260855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 26097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 26107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 26117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 26127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 26131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 261455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 261533500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The name of the template being specialized. 26167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 261755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 261840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 261940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 262055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 262155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2622ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 26237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 26247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, QualType Canon); 262555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 262655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 262755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 262855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 262940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 263040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 263140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 26321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 263340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 2634833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 2635833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 2636833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2637d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 2638d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2639df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 2640df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 2641df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 2642d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 2643d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor const PrintingPolicy &Policy); 2644df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 2645833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 2646833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 2647833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 2648833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2649d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 2650d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 2651d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 265231f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 265331f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 265431f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 265571d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 265631f17ecbef57b5679c017c375db330546b7b5145John McCall } 265731f17ecbef57b5679c017c375db330546b7b5145John McCall 265840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 265940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 266040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 266133500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 266240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 26637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 26647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 266555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 266640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 266840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 266940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 267040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 267140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 267255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 267355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 267455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 267555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 267633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 267755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 267831f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 267931f17ecbef57b5679c017c375db330546b7b5145John McCall return !isDependentType() || isCurrentInstantiation(); 268031f17ecbef57b5679c017c375db330546b7b5145John McCall } 2681bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 2682bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2683ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Ctx) { 268471d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 268555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 268655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 26877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 268831f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 268931f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 2690828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor ASTContext &Context); 269155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 26921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 26931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 269455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 26957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 269655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 269755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 269831f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 269931f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 270031f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 270131f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 27023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 270331f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 270431f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 27053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 270631f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 270731f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 270831f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 270931f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 271031f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 271131f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 271231f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 271331f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 271431f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 27153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 27163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 27173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 271831f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 271931f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 272031f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 272131f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 272231f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 272331f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 272431f17ecbef57b5679c017c375db330546b7b5145John McCall /// 272531f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 272631f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 272731f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 27283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 2730c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 2731c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 273243921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 273331f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 273435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 273535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 273631f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 27373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 27383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 273931f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 27403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 274331f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 274431f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 274531f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 27463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2748ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 27493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 275031f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 275131f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 27523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 27543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 27553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 27573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 27583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2759465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 2760465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 2761465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 2762465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 2763465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 2764465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 2765465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 2766465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 2767465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 2768465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 2769465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2770465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 27714a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 27724a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 27734a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 27744a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 27754a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 27764a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 27774a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 2778465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 2779465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 27804a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 2781465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 2782465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 2783465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 2784465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 2785465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 2786465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 27874a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 2788465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2789465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 2790465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 2791465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 2792465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 2793465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 2794465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 2795465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 279635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor QualType Canonical, bool Dependent, bool VariablyModified) 279777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall : Type(tc, Canonical, Dependent, VariablyModified) { 279877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 279977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 2800465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2801465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 2802465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 280377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 2804465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2805465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2806465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 2807465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 2808465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 2809465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2810465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 2811465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 2812465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2813465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 2814465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2815465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 2816465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 2817465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 2818465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2819465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 2820465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 2821465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2822465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 2823465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2824465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 2825465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2826465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 2827465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2828465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 2829465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 2830465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2831465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2832465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 2833465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 2834465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2835465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2836465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 2837465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 2838465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 2839e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 2840e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 2841465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 2842465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 2843465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 2844465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 2845465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2846ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2847ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 2848e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2849e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 2850e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 2851e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2852465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 2853465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 2854465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 285535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 285635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isVariablyModifiedType()), 2857465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 2858465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 2859465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 2860465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 2861465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2862e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2863e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 2864e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2865e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 286633500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 2867465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2868ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 2869ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2870e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2871e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 2872e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 2873e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2874bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2875bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 2876bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2877bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2878bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2879bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2880e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2881465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 2882e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2883e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2884465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 2885465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 2886465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 2887ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 2888ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 2889ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 2890e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 28911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 2892465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 2893e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2894465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 2895e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 2896e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 28974a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 28984a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 2899d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 29004a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 29014a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 29024a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 29034a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 29044a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 29054a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 2906465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 2907465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2908d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2909d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 2910d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2911d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 291233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 2913d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29144a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 29154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 291635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 291735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 2918465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 29191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 29204714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 2921d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2922d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2923d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 2924d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2925d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 2926d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 2927d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2928d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29291734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 29301734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 29311734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 29321734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 29331734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 29341734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 29351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 293633500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 29371734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 2938d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2939bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2940bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2941bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2942d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2943465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 2944d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2945d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29464a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 294733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 29484a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 2949d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 295033500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 2951d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2952d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 29544714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 2955d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 29564714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 2957d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 2958d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 295933500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 296033500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 296133500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 296233500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 296333500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 296433500955d731c73717af52088b7fc0e7a85681e7John McCall 296533500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 296633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 296733500955d731c73717af52088b7fc0e7a85681e7John McCall 296833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 296933500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 297033500955d731c73717af52088b7fc0e7a85681e7John McCall 297133500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 297233500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 297333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 297433500955d731c73717af52088b7fc0e7a85681e7John McCall 297533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 297633500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 297733500955d731c73717af52088b7fc0e7a85681e7John McCall } 297833500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 297933500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 298033500955d731c73717af52088b7fc0e7a85681e7John McCall } 298133500955d731c73717af52088b7fc0e7a85681e7John McCall 2982ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 298333500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 298433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 298533500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 298633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 298733500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 298833500955d731c73717af52088b7fc0e7a85681e7John McCall 298933500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 299033500955d731c73717af52088b7fc0e7a85681e7John McCall 299133500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 299233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 299333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 299433500955d731c73717af52088b7fc0e7a85681e7John McCall 299533500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 299633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 299733500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 299833500955d731c73717af52088b7fc0e7a85681e7John McCall } 299933500955d731c73717af52088b7fc0e7a85681e7John McCall 300033500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 300133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 300233500955d731c73717af52088b7fc0e7a85681e7John McCall 300333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 300433500955d731c73717af52088b7fc0e7a85681e7John McCall 300533500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 300633500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 300733500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 300833500955d731c73717af52088b7fc0e7a85681e7John McCall 300933500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 301033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 301133500955d731c73717af52088b7fc0e7a85681e7John McCall 3012ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context) { 301333500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 301433500955d731c73717af52088b7fc0e7a85681e7John McCall } 301533500955d731c73717af52088b7fc0e7a85681e7John McCall 301633500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 301733500955d731c73717af52088b7fc0e7a85681e7John McCall ASTContext &Context, 301833500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 301933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 302033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 302133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 302233500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 302333500955d731c73717af52088b7fc0e7a85681e7John McCall 302433500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 302533500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 302633500955d731c73717af52088b7fc0e7a85681e7John McCall } 302733500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 302833500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 302933500955d731c73717af52088b7fc0e7a85681e7John McCall } 303033500955d731c73717af52088b7fc0e7a85681e7John McCall}; 303133500955d731c73717af52088b7fc0e7a85681e7John McCall 3032c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 3033c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 3034c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 3035c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3036c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 3037c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 3038c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 3039c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 3041c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 3042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 3044c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3045e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 3046e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 3047e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 3048c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3049e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 3050e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 3051e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 3052c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 3053b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 3054b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 305571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 305671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 305771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 305871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 305971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 306071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 306171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 3062c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 3063c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 3064c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 3065c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3066c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 3067c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 3068c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3069c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3070c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 3071c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 3073c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 3074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 3075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3076c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 3077c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 307835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(ObjCInterface, QualType(), false, false), 307971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 3080b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 308171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 3082c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 30833536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 3084e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 3085e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 3086e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 3087e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 3088e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 3089e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 3090c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 309171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 3092c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 3093c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 3094c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3095c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 3096c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 3097c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 3099c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 3100c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 3101c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 3102c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 3103c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 3104c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 3105c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 3106c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 3108c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 3109c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3110c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 3111c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 3112c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 3113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 3115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 3117c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 3118c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3119c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 31201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3121c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 3122c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 3123b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 312414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3125c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 312673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 312773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 312873dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 312973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 313073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3131bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3132bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3133bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3134c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 3135c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 3136c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 3137c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3138c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 3139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 3140c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3141c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 3142c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 3143c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 3144c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 3145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 3146c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 3147c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3148c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 3149c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 3150c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3151c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 3152c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 3153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 3154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 3155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3156c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3157c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 31581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 3159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 3160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 3161c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 3162c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 31631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3164c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 3165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 3166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 3167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3168c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3169c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 3170c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 3171c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 3172c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 3173c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 3174e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 3175e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 3176e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 3177e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 3178e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 3179e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 3180e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 3181e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 3182c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 3183c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 3184c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3185c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 3186c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 3187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 3188c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 31891fb0caaa7bef765b85972274e3b434af2572c141John McCall 3190c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3191e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 3192deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 3193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3194c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 3195c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 31960b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 31971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 31981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 31993536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 3200a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 3201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3202c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 3203c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 3204c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 3205c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 3206c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 3207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 3208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 3209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 3210c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 3211c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 3212c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 32133536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 32143536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 3215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 3216c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 3217c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 3218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 3219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 3220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3222e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 3223e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 3224e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 3225e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 3226e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 3227e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 322814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 3229e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 3230e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 323114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 3232e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 32331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 323535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(ObjCObjectPointer, Canonical, false, false), 3236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 323714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 32381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 323914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 3240e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 3241e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 324214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 324314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3244e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 3245e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 3246e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3247e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 3248e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 3249e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 3250e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 3251e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 3252e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 3253e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 3254e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 3255e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 3256e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 3257e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 3258e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 3259e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 3260e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 3261e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 3262e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 3263e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 3264e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 3265e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 3266c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 3267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return PointeeType->getAs<ObjCObjectType>(); 3268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3270e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 3271e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 3272e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 3273e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3274e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 32751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 3276c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 327714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3278e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3279e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 3280e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 3281e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3282e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 328314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 3284e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 328514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3286e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3287e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 3288e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 328914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 3290c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 329114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3292e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3293e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 3294e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 329514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 3296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 3297de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 32988d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 3299e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 3300e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 33011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 3302c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 3303de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 3304e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3305e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 3306e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 3307470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 3308c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 330914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3310e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3311e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 3312e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 3313e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 3314c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 331514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 331671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 3317c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 331871842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3319c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 3320c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 332171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 332314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3324e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 3325e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 3326c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 3327c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 3328c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 332914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3330e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 3331e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 333273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 3333c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 333473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 333573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3336bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3337bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3338bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3339e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3340e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 3341e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 3342c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 3343c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 3344c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 33451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 33461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 334714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 334814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 334914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 33501bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 33510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 33520953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 33530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext *Context; 33540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33550953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 33560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) 33570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Qualifiers(Qs), Context(0) {} 33580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector(ASTContext &Context, Qualifiers Qs = Qualifiers()) 33590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Qualifiers(Qs), Context(&Context) {} 33600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setContext(ASTContext &C) { Context = &C; } 33620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 33640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// unqualified type. 33650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *strip(QualType QT) { 3366a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor addFastQualifiers(QT.getLocalFastQualifiers()); 3367a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (QT.hasLocalNonFastQualifiers()) { 33680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = QT.getExtQualsUnsafe(); 33690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Context = &EQ->getContext(); 33700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(EQ->getQualifiers()); 33710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getBaseType(); 33720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QT.getTypePtrUnsafe(); 33740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 33770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType apply(QualType QT) const; 33780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 33800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType apply(const Type* T) const; 33810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 33830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3385611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 33865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3387467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 3388467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall const Type *T = getTypePtr(); 3389a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) 3390467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified() && !isa<ArrayType>(T); 3391467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified(); 3392467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 3393467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 339454e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 3395a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 3396745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 339754e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 3398745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if ((*this)->isPointerType()) { 3399745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType BaseType = (*this)->getAs<PointerType>()->getPointeeType(); 3400745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (isa<VariableArrayType>(BaseType)) { 3401745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArrayType *AT = dyn_cast<ArrayType>(BaseType); 3402745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian VariableArrayType *VAT = cast<VariableArrayType>(AT); 3403745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (VAT->getSizeExpr()) 3404745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = BaseType.getTypePtr(); 3405745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 3406745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 340754e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->isCanonicalUnqualified() && 340854e14c4db764c0636160d26c5bbf491637c83a76John McCall !isa<FunctionType>(T) && !isa<ArrayType>(T); 340954e14c4db764c0636160d26c5bbf491637c83a76John McCall} 341054e14c4db764c0636160d26c5bbf491637c83a76John McCall 3411fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 3412fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 3413fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalConstQualified(); 3414fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3415fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3416fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 3417fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 3418fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalRestrictQualified(); 3419fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3420fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3421fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3422fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 3423fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 3424fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalVolatileQualified(); 3425fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3426fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3427fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 3428fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 3429fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers(); 3430fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3431fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3432fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline Qualifiers QualType::getQualifiers() const { 3433fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers Quals = getLocalQualifiers(); 3434fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Quals.addQualifiers( 3435fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalQualifiers()); 3436fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return Quals; 3437fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3438fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3439fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline unsigned QualType::getCVRQualifiers() const { 3440fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getLocalCVRQualifiers() | 3441fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalCVRQualifiers(); 3442fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3443e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 3444e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// getCVRQualifiersThroughArrayTypes - If there are CVR qualifiers for this 3445e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type, returns them. Otherwise, if this is an array type, recurses 3446e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// on the element type until some qualifiers have been found or a non-array 3447e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type reached. 3448e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruthinline unsigned QualType::getCVRQualifiersThroughArrayTypes() const { 3449e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (unsigned Quals = getCVRQualifiers()) 3450e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return Quals; 3451e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3452e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3453e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return AT->getElementType().getCVRQualifiersThroughArrayTypes(); 3454e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return 0; 3455e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth} 3456e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 34570953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeConst() { 34580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Qualifiers::Const); 34590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 34600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34610953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeRestrict() { 34620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Qualifiers::Restrict); 34630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 34640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34650953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeVolatile() { 34660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc; 34670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qc.strip(*this); 34680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Qc.hasVolatile()) { 34690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qc.removeVolatile(); 34700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall *this = Qc.apply(Ty); 34710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 34730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34740953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeCVRQualifiers(unsigned Mask) { 34756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 34760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 34780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Mask & ~Qualifiers::FastMask)) { 34790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Mask); 34800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return; 34810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc; 34840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qc.strip(*this); 34850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qc.removeCVRQualifiers(Mask); 34860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall *this = Qc.apply(Ty); 3487ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3488ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 3489ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 3490ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 3491a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 34920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 34930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 34940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 34950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34974243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3498a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 34990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 35000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 35010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 35020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35044243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3505c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT->getElementType().getAddressSpace(); 35064243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const RecordType *RT = dyn_cast<RecordType>(CT)) 35078e7dafec4b70303dfaff95151cd06bfc5532720cNate Begeman return RT->getAddressSpace(); 3508ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb return 0; 3509ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3510611c1fff195d32df97706e0920c92468b2509900Chris Lattner 3511d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 35120953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 3513a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 35140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 35150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 35160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 35170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3519d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3520a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 35210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 35220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 35230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 35240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3526d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3527d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return AT->getElementType().getObjCGCAttr(); 3528183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *PT = CT->getAs<ObjCObjectPointerType>()) 35291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 3530ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian // We most look at all pointer types, not just pointer to interface types. 3531ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian if (const PointerType *PT = CT->getAs<PointerType>()) 35321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 35330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 3534d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 35352455636163fdd18581d7fdae816433f886d88213Mike Stump 3536264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 3537264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 3538183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 3539264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 3540264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 3541264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 35422455636163fdd18581d7fdae816433f886d88213Mike Stump 3543264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 35442455636163fdd18581d7fdae816433f886d88213Mike Stump} 35451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3546264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 3547264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 3548ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 3549ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 3550b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// \brief Determine whether this set of qualifiers is a superset of the given 3551b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// set of qualifiers. 3552b87786f045d798b070980c108c922e1475d27b15Douglas Gregorinline bool Qualifiers::isSupersetOf(Qualifiers Other) const { 3553b87786f045d798b070980c108c922e1475d27b15Douglas Gregor return Mask != Other.Mask && (Mask | Other.Mask) == Mask; 3554b87786f045d798b070980c108c922e1475d27b15Douglas Gregor} 3555b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 3556e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 3557e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 3558e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 3559e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 3560e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 3561e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isMoreQualifiedThan(QualType Other) const { 35620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3563e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3564e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3565ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3566ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3567e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return MyQuals != OtherQuals && (MyQuals | OtherQuals) == MyQuals; 3568e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3569e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3570e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 3571e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 3572e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 3573e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 3574e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isAtLeastAsQualifiedAs(QualType Other) const { 35750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3576e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3577e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3578ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3579ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3580e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return (MyQuals | OtherQuals) == MyQuals; 3581e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3582e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3583e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 3584e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 3585e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 3586e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 3587e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 3588e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 3589e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 3590e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 3591e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 3592e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 35936217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 3594e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 3595e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 3596e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 3597e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3598e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3599611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 3600a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 3601611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3602611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 3603a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 3604611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 360558f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 360658f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 360758f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 36085618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 3609a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 36105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 3611bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 3612a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 3613bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 36147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 3615a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 36167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 36177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 3618a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 36197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 3620498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 36216217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* T = getAs<PointerType>()) 3622498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 3623498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 3624498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 3625498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 3626f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 3627a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 3628f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3629f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 36306217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 36310bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 3632f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 3633f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 3634f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3635db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 3636db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 36370bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 3638db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 3639db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 3640db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 3641611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 3642a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 3643611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3644c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 3645a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 3646c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3647c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 3648a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 3649c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3650c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 3651a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 3652c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3653898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 3654a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 3655898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 36563ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 36573ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 36583ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3659611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 3660a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 3661611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 36623ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 36633ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 36643ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3665f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 3666a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 3667f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 3668611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 3669a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 3670611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3671213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 3672a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 3673611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3674d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 3675a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 3676d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 3677c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 3678c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 3679368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 3680569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 3681569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 3682569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 3683569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 3684569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 3685a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 3686183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3687d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 3688d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 3689d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 3690470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 3691183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3692470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 3693470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 3694470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 369514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 3696183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 369714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 369814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 369914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 370014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 3701183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 370214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 370314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 370414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 370513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 37068d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 37078d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 370813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 370913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 3710de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 371113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 3712de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 371372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 3714a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 371572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 371672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3717e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 3718183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 3719e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 3720e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 3721e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 3722e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 3723e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 37242a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 37252a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 37262a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 37272a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 37282a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 37292a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3730063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 3731063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 3732063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 3733063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 3734904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 3735904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 37368958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 37378958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 3738c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 37398958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 37408958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 3741820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 3742c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 3743820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 3744820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 374522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 374622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 374722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 374822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 374922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 375022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 375122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 375222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 37531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 375447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 375547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 375647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 375747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 375847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 375947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 376047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 376147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 376247c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 376389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 376489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 376589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 376689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 376789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 376889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 376989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 377089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 377189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 377289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 37731a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 37741a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 377589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 377689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 377789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 37781a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 37791a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 37801a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 37811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37821a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 37830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 37841a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 37851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 37871a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 3788bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 37891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 379022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 37915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 37925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 37935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3794