Type.h revision d0937224f383c7cc72c947119380f9713a070c73
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Type.h - C Language Family Type Representation ---------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Type interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_TYPE_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_TYPE_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner#include "clang/Basic/Diagnostic.h" 181734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "clang/Basic/IdentifierTable.h" 190b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor#include "clang/Basic/Linkage.h" 2047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth#include "clang/Basic/PartialDiagnostic.h" 211fb0caaa7bef765b85972274e3b434af2572c141John McCall#include "clang/Basic/Visibility.h" 22e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/Support/Casting.h" 2550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 26fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 275cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 285cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 291734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::isa; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast_or_null; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast_or_null; 366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 38f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor TypeAlignmentInBits = 4, 396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 41aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 42aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 43aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 464e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 474e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 48daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 49bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 50bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 54bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 55bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 57bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 67aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 68aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 69aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 704e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 714e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TypedefDecl; 7555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 77aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 8149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8321d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 84a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 85a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 86a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 87ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 89b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 9192866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 93833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 94d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 95ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall class Type; 96465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 973b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 9872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 99ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall template <typename> class CanQual; 100ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 101ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 105f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1110953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 121d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 122d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 123d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 124d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 125efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 1260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 132f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor FastWidth = 3, 1330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 2410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 2430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 2480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 2490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 2500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 2510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 2520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 2530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 2540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 2570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 2580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 2590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 2610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 2620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 2630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 2640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 2650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 2660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 2670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 2680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 2690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 275b87786f045d798b070980c108c922e1475d27b15Douglas Gregor bool isSupersetOf(Qualifiers Other) const; 276b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2933cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 2943cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 2953cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Mask = Mask & ~(R.Mask); 2963cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 2973cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2993cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 3003cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 3013cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 3023cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 3033cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 3043cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bits: |0 1 2|3 .. 4|5 .. 31| 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // |C R V|GCAttr|AddrSpace| 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceMask = ~(CVRMask | GCAttrMask); 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceShift = 5; 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3291ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor/// \brief Base class that is common to both the \c ExtQuals and \c Type 3301ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor/// classes, which allows \c QualType to access the common fields between the 3311ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor/// two. 3321ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor/// 3331ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass ExtQualsTypeCommonBase { 3341ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorprotected: 3351ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor ExtQualsTypeCommonBase(const Type *BaseType) : BaseType(BaseType) { } 3361ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 3371ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// \brief The "base" type of an extended qualifiers type (\c ExtQuals) or 3381ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// a self-referential pointer (for \c Type). 3391ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// 3401ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// This pointer allows an efficient mapping from a QualType to its 3411ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// underlying type pointer. 3421ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor const Type *BaseType; 3431ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 3441ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor friend class QualType; 3451ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor}; 3461ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 34755270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// ExtQuals - We can encode up to four bits in the low bits of a 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// type pointer, but there are many more type qualifiers that we want 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// to be able to apply to an arbitrary type. Therefore we have this 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// struct, intended to be heap-allocated and used by QualType to 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// store qualifiers. 3520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 35355270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 35455270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// in three low bits on the QualType pointer; a fourth bit records whether 35555270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 35655270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// Objective-C GC attributes) are much more rare. 3571ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass ExtQuals : public ExtQualsTypeCommonBase, public llvm::FoldingSetNode { 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // NOTE: changing the fast qualifiers should be straightforward as 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // long as you don't make 'const' non-fast. 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 1. Qualifiers: 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 3620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers must occupy the low-order bits. 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update Qualifiers::FastWidth and FastMask. 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 2. QualType: 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update remove{Volatile,Restrict}, defined near the end of 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this header. 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 3. ASTContext: 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update get{Volatile,Restrict}Type. 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Quals - the immutable set of qualifiers applied by this 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// node; always contains extended qualifiers. 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3761ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor ExtQuals(const Type *Base, Qualifiers Quals) 3771ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor : ExtQualsTypeCommonBase(Base), Quals(Quals) 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall { 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(Quals.hasNonFastQualifiers() 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with no fast qualifiers"); 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with fast qualifiers"); 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getQualifiers() const { return Quals; } 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getBaseType() const { return BaseType; } 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 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 41849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCalltypedef std::pair<const Type*, Qualifiers> SplitQualType; 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 445fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedTypeSlow() const; 446fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4480953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4495cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4515cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 456a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 457a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4621ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// 4631ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// This function requires that the type not be NULL. If the type might be 4641ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// NULL, use the (slightly less efficient) \c getTypePtrOrNull(). 4650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type *getTypePtr() const { 4661ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor assert(!isNull() && "Cannot retrieve a NULL type pointer"); 4671ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor uintptr_t CommonPtrVal 4681ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); 4691ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor CommonPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); 4701ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor ExtQualsTypeCommonBase *CommonPtr 4711ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor = reinterpret_cast<ExtQualsTypeCommonBase*>(CommonPtrVal); 4721ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor return const_cast<Type *>(CommonPtr->BaseType); 4731ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor } 4741ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 4751ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor Type *getTypePtrOrNull() const { 4761ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor uintptr_t TypePtrPtrVal 4771ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); 4781ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor TypePtrPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); 4791ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor Type **TypePtrPtr = reinterpret_cast<Type**>(TypePtrPtrVal); 4801ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor return TypePtrPtr? *TypePtrPtr : 0; 4810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// Divides a QualType into its unqualified type and a set of local 48449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// qualifiers. 48549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType split() const { 48649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall if (!hasLocalNonFastQualifiers()) 48749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return SplitQualType(getTypePtrUnsafe(), 48849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 48949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 49049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const ExtQuals *eq = getExtQualsUnsafe(); 49149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall Qualifiers qs = eq->getQualifiers(); 49249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall qs.addFastQualifiers(getLocalFastQualifiers()); 49349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return SplitQualType(eq->getBaseType(), qs); 49449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 49549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 4965cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static QualType getFromOpaquePtr(void *Ptr) { 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 4995cf243a883872441d73ca49cea7e20de5802629bChris Lattner T.Value.setFromOpaqueValue(Ptr); 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type &operator*() const { 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *operator->() const { 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 511467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 51254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 513467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 5160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 520a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 521a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 522a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 523a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 5240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 525a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 526a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 527fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 528a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 529a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 530a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 531a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 532a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 533a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 534a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 535a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 536a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 537fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 541a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 542a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 543f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return (getLocalFastQualifiers() & Qualifiers::Volatile); 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 546a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 547fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 548a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 549a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 550a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 551a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 552a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 553a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 556a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 557fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 558a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 559a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 560a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 561a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 562a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 563a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 566a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 567a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 568a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 569a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers getLocalQualifiers() const { 5700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 571a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 5720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals = getExtQualsUnsafe()->getQualifiers(); 573a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Quals.addFastQualifiers(getLocalFastQualifiers()); 5740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 5750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 577a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 578fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 579a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 580a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 581a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 582a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 583a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 584f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return getLocalFastQualifiers(); 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 586b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 587a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 588a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 589fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 590e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 591e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 592e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// applied to this type, looking through any number of unqualified array 593e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// types to their element types' qualifiers. 594e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned getCVRQualifiersThroughArrayTypes() const; 595e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 596bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 597bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 598bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 5991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 6010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 6020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 6040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 6050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 6060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 6080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 6090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 6120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 6130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 6140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 6150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 61749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalConst(); 61849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalVolatile(); 61949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalRestrict(); 62049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalCVRQualifiers(unsigned Mask); 6210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 62249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers() { Value.setInt(0); } 62349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers(unsigned Mask) { 6240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 6250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 6260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 6290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 6300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 6310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 6330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 6340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6351c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 6360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 6370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 63849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withExactLocalFastQualifiers(unsigned TQs) const { 63949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return withoutLocalFastQualifiers().withFastQualifiers(TQs); 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 64349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withoutLocalFastQualifiers() const { 6440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 64549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall T.removeLocalFastQualifiers(); 6460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 647c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 648971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 649a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 650a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 651a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 652a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 654a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return the unqualified form of the given type, which might be 655a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// desugared to eliminate qualifiers introduced via typedefs. 656fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedType() const { 657fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType T = getLocalUnqualifiedType(); 658fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor if (!T.hasQualifiers()) 659fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return T; 660fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 661fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getUnqualifiedTypeSlow(); 662a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 663a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 664e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 665e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 666e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 6671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6686398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 6696398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 6705291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 6716398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 6726398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 6736398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 6745291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 6755291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 6766398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 6775291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 6782fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 6792fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 6802fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 6812fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 6822fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 6832fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 6840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 6850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 68649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType getDesugaredType(ASTContext &Context) const { 68749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getDesugaredType(*this, Context); 68849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 68949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 69049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType getSplitDesugaredType() const { 69149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getSplitDesugaredType(*this); 692bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 69398cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 694075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// IgnoreParens - Returns the specified type after dropping any 695075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// outer-level parentheses. 696075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType IgnoreParens() const { 697075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType::IgnoreParens(*this); 698075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 699075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 70250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 70350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 7045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 70550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 70650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 7075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 70849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string getAsString() const { 70949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split()); 71049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 71149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(SplitQualType split) { 71249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split.first, split.second); 71349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 71449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(const Type *ty, Qualifiers qs); 715d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 716d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 718d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 721e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 72249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &Policy) const { 72349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split(), Str, Policy); 72449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 72549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(SplitQualType split, std::string &out, 72649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy) { 72749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split.first, split.second, out, policy); 72849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 72949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(const Type *ty, Qualifiers qs, 73049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string &out, 73149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy); 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 733c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 734c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 7351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7363f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 7373f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 7383f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 740ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 741ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 7421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 743d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 7440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 745f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 746f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 747f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 7480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 749f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 750f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 751f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 752f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 7530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 754f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 7552455636163fdd18581d7fdae816433f886d88213Mike Stump 756bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 757bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 758bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 759bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 760bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 76149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static QualType getDesugaredType(QualType T, ASTContext &Context); 76249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 763075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static QualType IgnoreParens(QualType T); 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef ::clang::Type* SimpleType; 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 7744472fc641ea3069463798fb56a04043c28ea2910Douglas Gregor return Val.getTypePtr(); 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 7791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7804e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 7814e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 782daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 7834e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 7844e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 7854e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 7864e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7874e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 7884e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 7894e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 7910eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 7924e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79473af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 80972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 81272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8231ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass Type : public ExtQualsTypeCommonBase { 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 82672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 82727935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 82872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 82972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 83072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 8321bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 834c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 835c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 836c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CanonicalType; 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 839b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 840b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 841b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 842b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 84327935ee59c30b0d8b610ab676aab8e65350af932John McCall 844b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 845b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 846b870b88df784c2940efce448ebfaf54dece14666John McCall 847b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 848b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 849b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 850bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 85160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 852b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 853bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 854d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 855d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type contains an unexpanded parameter pack 856d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// (for C++0x variadic templates). 857d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 85835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 8591fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 8601fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 8611fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 8621fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 86360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 864b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 865b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 86607a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 867b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 868bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 869db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 870b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 871bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 872b870b88df784c2940efce448ebfaf54dece14666John McCall 8731fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 8741fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 8751fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8761fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 8771fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8781fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 8791fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8801fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 8811fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8821fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 8831fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8841fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 8851fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8861fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 8871fb0caaa7bef765b85972274e3b434af2572c141John McCall } 888b870b88df784c2940efce448ebfaf54dece14666John McCall }; 889d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor enum { NumTypeBits = 17 }; 890b870b88df784c2940efce448ebfaf54dece14666John McCall 891b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 892b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 893b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 894b870b88df784c2940efce448ebfaf54dece14666John McCall 895b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 896b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 897b870b88df784c2940efce448ebfaf54dece14666John McCall 898b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 899b870b88df784c2940efce448ebfaf54dece14666John McCall 900b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 901b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 902b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 903b870b88df784c2940efce448ebfaf54dece14666John McCall 904b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 905b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 906b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 907b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 908b870b88df784c2940efce448ebfaf54dece14666John McCall }; 909b870b88df784c2940efce448ebfaf54dece14666John McCall 910b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 911b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 912b870b88df784c2940efce448ebfaf54dece14666John McCall 913b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 914b870b88df784c2940efce448ebfaf54dece14666John McCall 915b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 916b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 917b870b88df784c2940efce448ebfaf54dece14666John McCall }; 918b870b88df784c2940efce448ebfaf54dece14666John McCall 919b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 920b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 921b870b88df784c2940efce448ebfaf54dece14666John McCall 922b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 923b870b88df784c2940efce448ebfaf54dece14666John McCall 924b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 925b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 926b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned ExtInfo : 8; 927b870b88df784c2940efce448ebfaf54dece14666John McCall 928b870b88df784c2940efce448ebfaf54dece14666John McCall /// A bit to be used by the subclass. 929bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SubclassInfo : 1; 930b870b88df784c2940efce448ebfaf54dece14666John McCall 931b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 932b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 933b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 934b870b88df784c2940efce448ebfaf54dece14666John McCall /// 935b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 936b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 937b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 938b870b88df784c2940efce448ebfaf54dece14666John McCall }; 939b870b88df784c2940efce448ebfaf54dece14666John McCall 940b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 941b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 942b870b88df784c2940efce448ebfaf54dece14666John McCall 943b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 944b870b88df784c2940efce448ebfaf54dece14666John McCall 945b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 946b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 947b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 948b870b88df784c2940efce448ebfaf54dece14666John McCall }; 949b870b88df784c2940efce448ebfaf54dece14666John McCall 950b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 951b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 952b870b88df784c2940efce448ebfaf54dece14666John McCall 953b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 954b870b88df784c2940efce448ebfaf54dece14666John McCall 955b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 956b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 957b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 958b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 959b870b88df784c2940efce448ebfaf54dece14666John McCall /// 960b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 961b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 962b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 963b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 964b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 965b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 966bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 967b870b88df784c2940efce448ebfaf54dece14666John McCall 968b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 969b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 970bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 971b870b88df784c2940efce448ebfaf54dece14666John McCall }; 972b870b88df784c2940efce448ebfaf54dece14666John McCall 97377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 97477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 97577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 97677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 97777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 97877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 97977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 98077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 98177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 982b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 983b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 98407a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 985b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 98671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 987e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 988e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 989cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 990b870b88df784c2940efce448ebfaf54dece14666John McCall 991b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 992cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 993b870b88df784c2940efce448ebfaf54dece14666John McCall }; 994b870b88df784c2940efce448ebfaf54dece14666John McCall 995b870b88df784c2940efce448ebfaf54dece14666John McCall union { 996b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 997b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 998b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 999b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 1000b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 1001b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 100277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 1003b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 1004b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1005b870b88df784c2940efce448ebfaf54dece14666John McCall 1006b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 10073c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 10083c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 1009b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 101007a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 101107a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1012b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 10131fb0caaa7bef765b85972274e3b434af2572c141John McCall 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1015124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 1016124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 1017d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Type(TypeClass tc, QualType Canonical, bool Dependent, bool VariablyModified, 1018d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 10191ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor : ExtQualsTypeCommonBase(this), 10201ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical) { 1021b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 1022b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 1023b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 1024d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack; 10251fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 1026b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 1027b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 1028b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 1029b870b88df784c2940efce448ebfaf54dece14666John McCall } 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1032b870b88df784c2940efce448ebfaf54dece14666John McCall void setDependent(bool D = true) { TypeBits.Dependent = D; } 1033b870b88df784c2940efce448ebfaf54dece14666John McCall void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; } 1034d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor void setContainsUnexpandedParameterPack(bool PP = true) { 1035d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = PP; 1036d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1037d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 10388b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 1039b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10413c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1042b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 104307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1044d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type is or contains an unexpanded parameter 1045d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// pack, used to support C++0x variadic templates. 1046d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1047d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// A type that contains a parameter pack shall be expanded by the 1048d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// ellipsis operator at some point. For example, the typedef in the 1049d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// following example contains an unexpanded parameter pack 'T': 1050d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1051d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \code 1052d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// template<typename ...T> 1053d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// struct X { 1054d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// typedef T* pointer_types; // ill-formed; T is a parameter pack. 1055d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// }; 1056d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \endcode 1057d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1058d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// Note that this routine does not specify which 1059d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool containsUnexpandedParameterPack() const { 1060d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return TypeBits.ContainsUnexpandedParameterPack; 1061d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1062d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1063467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 1064467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return CanonicalType.getTypePtr() == this; 1065467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 10691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 10731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 1075d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1076d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1077d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1078d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1079d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1080d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 108164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 108264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 108364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl bool isPODType() const; 108464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1085ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1086ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1087ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1088ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1090ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1091e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 10929b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 10939b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 10949b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1095e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1096e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 10971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10982a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 10992a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 11002a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 11012a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 11022a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 11032a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 110496d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 110596d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 110713b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 110813b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 110913b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 111077a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 111120093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 11129d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 111320093b4bf698f292c664676987541d5103b65b15Douglas Gregor 11142ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 11152ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 11161274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 11171274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 11181274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 11192ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 112202f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 112302f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1125f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1129c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1130c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1131c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1132d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1134c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1135ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1136c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1137183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1138183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1139befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 114058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 11415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 11427154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1143a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 11447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 11457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1146bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1147f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1148f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1149db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1150c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1151c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1152c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1153c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1154898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1155c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 11571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1158fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 11594cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1160368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1161368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1162213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1163d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff bool isObjCObjectPointerType() const; // Pointer to *any* ObjC object. 116414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 116514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1167368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1168368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1169470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1170569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 117114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 117214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 117313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1174de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 117572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 11766e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1177898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1178daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 1179daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Pointer, 1180daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1181daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1182daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1183daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1184daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1185daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1186daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1187daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1188daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1189daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1190898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 11911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1192898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1193b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 119435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 119535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1196b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 119735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1198db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1199db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1200db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1201063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 120272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 12034033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 12044033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 12054033642464e8ba0982f88f34cffad808d247b393Douglas Gregor 12068958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 12078958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 12088958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 12096e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 12108958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 12118958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1212820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1213820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 12141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1215820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1216f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1217f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1218f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1219f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1220f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1221f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1222f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1223f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1224f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1225f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1226f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1227f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 12288eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 12298eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 12308eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1231f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1232c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1233f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1234f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1235769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1236898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1237c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 12384cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 123914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 124014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 124114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 124214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1243c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1244a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 12451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1246c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1247c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1248c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1249c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 1250c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1251fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // Member-template getAs<specific type>'. Look through sugar for 1252fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // an instance of <specific type>. This scheme will eventually 12531a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // replace the specific getAsXXXX methods above. 1254183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // 1255183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // There are some specializations of this member template listed 1256183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // immediately following this class. 12571a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1259c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1260c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1261c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1262c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 12631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1264f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1265f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 126614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 12671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1268bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1269bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1270bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1271bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 12721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1277d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 1278d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 1279d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// integer element type. 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 1283d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 1284d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 1285d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// element type. 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1287d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 12885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 12899bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 12909bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 12913c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1292c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 129322b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 129422b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 129522b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 129622b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 12970b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 129860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 12991fb0caaa7bef765b85972274e3b434af2572c141John McCall 13001fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 13011fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 13021fb0caaa7bef765b85972274e3b434af2572c141John McCall 13031fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 13041fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 130560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 130660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 130760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 130860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 130960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 13100b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1311ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1312ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1313ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1314ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1315c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1317be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1318c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1319a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 13205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1322183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1323183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1324183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1325183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1326183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1327183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1328183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1329183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1330183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 13310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1332183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1333183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1334183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1335183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 13365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 13375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 13385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 13395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 13415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 13421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 13445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 13455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 1346f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1347f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 13485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 13505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 13515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 13522df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 13562ff9b4c7c8fed9233a0b8de2e9507368c451aab6Argyrios Kyrtzidis WChar, // This is 'wchar_t' for C++. 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 13612df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 13621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13638e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 13648e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 13656e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 13666e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 13672a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 13682a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 13692a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 13702a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 13712a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 13722a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1373898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Overload, // This represents the type of an overloaded function declaration. 13741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1375de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff UndeducedAuto, // In C++0x, this represents the type of an auto variable 1376e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // that has not been deduced yet. 1377e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1378e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'id' type. The type pointed to by the 1379e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'id' type. Only ever shows up in an AST as the base 1380e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type of an ObjCObjectType. 1381e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCId, 1382e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1383e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'Class' type. The type pointed to by the 1384e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'Class' type. Only ever shows up in an AST as the 1385e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// base type of an ObjCObjectType. 1386e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCClass, 1387e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 138813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSel // This represents the ObjC 'SEL' type. 13895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 139071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 139335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 1394d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 1395d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*Unexpanded paramter pack=*/false) { 1396b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 139771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 13981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1399b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 1400e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1402bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1403bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1404bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1405680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 140671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1407680523a91dd3351389667c8de17121ba7ae82673John McCall } 1408680523a91dd3351389667c8de17121ba7ae82673John McCall 1409680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 141071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1411680523a91dd3351389667c8de17121ba7ae82673John McCall } 1412680523a91dd3351389667c8de17121ba7ae82673John McCall 1413680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 141471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1415680523a91dd3351389667c8de17121ba7ae82673John McCall } 1416680523a91dd3351389667c8de17121ba7ae82673John McCall 1417680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 141871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1419680523a91dd3351389667c8de17121ba7ae82673John McCall } 1420680523a91dd3351389667c8de17121ba7ae82673John McCall 14212a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// Determines whether this type is a "forbidden" placeholder type, 14222a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// i.e. a type which cannot appear in arbitrary positions in a 14232a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// fully-formed expression. 14242a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 142571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() == Overload || 142671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall getKind() == UndeducedAuto; 14272a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 14282a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 14295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 14305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 14315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 14355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 14365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 14375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 14385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 143935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 1440d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->isVariablyModifiedType(), 1441d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->containsUnexpandedParameterPack()), 1442898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 14435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 144560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 14475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 14481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1449bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1450bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1451bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 14545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 14565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 14615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1463075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// ParenType - Sugar for parentheses used when specifying types. 1464075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// 1465075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnaraclass ParenType : public Type, public llvm::FoldingSetNode { 1466075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Inner; 1467075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1468075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType(QualType InnerType, QualType CanonType) : 1469075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Type(Paren, CanonType, InnerType->isDependentType(), 1470d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->isVariablyModifiedType(), 1471d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->containsUnexpandedParameterPack()), 1472075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner(InnerType) { 1473075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1474075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara friend class ASTContext; // ASTContext creates these. 1475075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1476075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnarapublic: 1477075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1478075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType getInnerType() const { return Inner; } 1479075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1480075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara bool isSugared() const { return true; } 1481075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType desugar() const { return getInnerType(); } 1482075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1483075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void Profile(llvm::FoldingSetNodeID &ID) { 1484075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Profile(ID, getInnerType()); 1485075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1486075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { 1487075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner.Profile(ID); 1488075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1489075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1490075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const Type *T) { return T->getTypeClass() == Paren; } 1491075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const ParenType *) { return true; } 1492075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara}; 1493075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 149468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1495bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 149668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1497bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 14985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 150035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 1501d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1502d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 150335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 15045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 150660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 15075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 15081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 151068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1511bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1512bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1513bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 15155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 15165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 15185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 15195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 15225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 15235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 15245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 15265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 15275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 15285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 15295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 15305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 15315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 153235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 1533d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1534d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 1535898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 15365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 153860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 15395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 15401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 15425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 15435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1544bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1545bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1546bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 15485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 15495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 15515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 15525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 15565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 15575618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 15585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 15595618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 15607c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 15615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 156268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 156368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 156468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 15657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 156654e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 156754e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 156835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 1569d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->isVariablyModifiedType(), 1570d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->containsUnexpandedParameterPack()), 1571d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor PointeeType(Referencee) 1572d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor { 1573b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1574b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 15755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 157660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1578b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1579b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 158073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 158154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 158254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 158354e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 158454e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 158571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 158654e14c4db764c0636160d26c5bbf491637c83a76John McCall T = T->PointeeType->getAs<ReferenceType>(); 158754e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 158854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 158968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 15905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 159171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 15925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 159354e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 159454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 159554e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 15965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 159754e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 15985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 16017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 16027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 16037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 16045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 16057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 16067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 16077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 16087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 16097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 161054e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 161154e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 161254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 161354e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 16147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 16157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1616bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1617bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1618bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 16207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 16217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 16227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 16237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 16247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 16257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 16267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 16277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 16287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 162954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 16307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 16317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 16327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1633bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1634bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1635bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 16377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 16387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 16397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1640f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1641f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1642f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1643f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1644f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1645f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1646f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1647f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1648f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1649f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1650f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1651f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 165235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 1653d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1654d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (Cls->containsUnexpandedParameterPack() || 1655d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack())), 1656f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1657f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1658f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 165960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1660f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1661f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1662f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 16630bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 16640bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 16650bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 16660bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 16670bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 16680bab0cdab751248ca389a5592bcb70eac5d39260John McCall 16690bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 16700bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 16710bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 16720bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 16730bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 16740bab0cdab751248ca389a5592bcb70eac5d39260John McCall 1675f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1676f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1677bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1678bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1679bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1680f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1681f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1682f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1683f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 1684f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 1685f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 1686f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 1687f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1688f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1689f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 1690f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 1691f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1692f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 16935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 16965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 16972e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 16985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 16995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 1700898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 1701898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 1702898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 17035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 17045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 17055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 17065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1707fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 1708fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 17091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1710fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 1711898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 1712898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 1713898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 1714898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 1715898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 1716c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 1717d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ArraySizeModifier sm, unsigned tq, 1718d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 171935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 1720d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (tc == VariableArray || et->isVariablyModifiedType()), 1721d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 172271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 1723b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 1724b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 172571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1726898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1727fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 172860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1729fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1730fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 1731ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 1732b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 1733ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 17340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 173571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 173671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 173771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 1738b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 17390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 17401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1741fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 1742fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 1743c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 1744898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 1745898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 1746fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1747fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 1748fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1749fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 17507e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 17517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 17527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 17537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 17542e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 1755fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 17561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17570be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 1758c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 1759d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq, 1760d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 17617e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 17627e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 17637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 17647e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 1765d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(tc, et, can, sm, tq, et->containsUnexpandedParameterPack()), 1766d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Size(size) {} 1767fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1768fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1769c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 1770bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1771bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1772bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17732767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 17742767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 17752767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 17762767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 17772767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 17782767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 17792767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 17802767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 17812767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 17822767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 17832767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 1784fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 17851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 17860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 1787fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1788fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 17890be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 17900be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 1791fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 1792fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 17930be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 17940be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1795fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 17967e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 179746a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 1798fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1799fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 1800fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1801fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 1802da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 1803da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 1804da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 1805c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 18067e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1807c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 18087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 1809d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(IncompleteArray, et, can, sm, tq, 1810d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()) {} 1811c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 1812c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 1813bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1814bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1815bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 1818c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1819c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 18201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1821c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 18221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1823c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 18240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 18250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 1826c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 18271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18280be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 18290be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 1830c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 18310be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 18320be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1833c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1834c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 1835c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1836da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 1837da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 1838da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 1839da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1840da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 1841da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 1842da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 1843da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 1844da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1845da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 1846da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 1847da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 1848da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 1849da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 1850da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 18512e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 18521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 18531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 1854b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 18557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 18567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 18577e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1858c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 18597e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 18607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 1861d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq, 1862d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 18637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 18645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 18654b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 18665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1868b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 1869b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 1870b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 1871b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 18727e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 18737e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 18747e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 18751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1876bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1877bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1878bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 18815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1882fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 18831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 188492866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 18851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18862bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 1887bc5e150b6d94cf131f7d01bc715571b741c5b408Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 18882bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 18895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1891898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 1892898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 1893cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1894cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 18951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 1896898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 1897898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 1898898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 1899cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 1900cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1901898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 1902898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 1903898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 1904898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 190504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASTContext &Context; 19061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1907cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 1908898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 1909cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 1910cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 1911cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 1912898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 1913cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 19147e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 19157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 19161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedArrayType(ASTContext &Context, QualType et, QualType can, 191804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 1919d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor SourceRange brackets); 1920d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1921898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 1922898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1923898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 19241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1925898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 1926898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 1927898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 1928898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 19297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 19307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 19317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 19321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1933bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1934bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1935bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 1938898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1939898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 19401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1941898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 19421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1944898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 19451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 19460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 1947898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 19481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 19501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 195104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 1952898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 1953898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1954f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 19559cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 19569cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 19579cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 19589cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 19599cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 19609cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 19619cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 19622ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 19632ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor ASTContext &Context; 19649cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 19659cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 19669cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 19679cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 19681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType(ASTContext &Context, QualType ElementType, 1970d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc); 1971d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 19729cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 19739cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 19749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 19752ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 19769cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 19779cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 19789cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 1979bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1980bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1981bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 19849cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 19851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 19862ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 19872ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 19882ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 19892ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19912ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 19922ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 19939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 19941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19959cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 199673322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 19971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 199882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 199982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 200073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 20015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 2002788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 2003e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 2004e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 2005e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 2006e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 2007e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 2008491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 2009491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 2010788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 201173322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 20125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 20135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 20141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 201582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 2016d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor VectorKind vecKind); 201735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 2019d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType canonType, VectorKind vecKind); 2020d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 20215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 202260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 20235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 2026b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 20275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2028bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2029bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2030bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2031e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 2032e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 203371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2034788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 20355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 203671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 2037e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 20385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 204082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 2041e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 20425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 20435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 204473322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 2045e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 204673322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 20470b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 20481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 20491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 20505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 20525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2054213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 2055213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 2056213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 2057fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 2058fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 2059213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 2060213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 2061e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 206273322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 206373322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 206488dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 206588dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 206688dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 206788dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 206888dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 206988dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 207088dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 207188dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2072e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2073353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 207488dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 2075353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 2076353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 2077353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2078353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2079353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2080353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2081353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2082353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2083353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2084353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2085353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2086131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2087353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2088131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2089353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2090131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2091353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2092131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2093353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2094131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2095353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2096131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2097353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 209888dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2099e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 21001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2101b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2102b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2103353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2104b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 21051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 210688dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2107b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 210871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 210988dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2110e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2111bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2112bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2113bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 21151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 211673322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2117213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 211873322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 211973322924127c873c13101b705dd823f5539ffa5fSteve Naroff 21205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 212172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 21225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 21235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 21245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 21255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2126264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2127264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2128075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // This class is used for passing around the information needed to 2129264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // construct a call. It is not actually used for storage, just for 2130264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // factoring together common arguments. 2131075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // If you add a field (say Foo), other than the obvious places (both, 2132075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // constructors, compile failures), what you need to update is 2133075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // * Operator== 2134425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2135425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2136425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2137425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2138425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2139425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2140425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2141425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 21423c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2143425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2144425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2145264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 2146b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2147b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2148b870b88df784c2940efce448ebfaf54dece14666John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask), 2149b870b88df784c2940efce448ebfaf54dece14666John McCall RegParmOffset = 4 }; 2150b870b88df784c2940efce448ebfaf54dece14666John McCall 215171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned Bits; 215271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 215371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(unsigned Bits) : Bits(Bits) {} 215471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 215571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 215671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2157264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2158264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 21593c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 216071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(bool noReturn, unsigned regParm, CallingConv cc) { 2161b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2162b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2163b870b88df784c2940efce448ebfaf54dece14666John McCall (regParm << RegParmOffset); 216471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2165264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2166264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2167264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 216871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2169264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2170b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2171b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParm() const { return Bits >> RegParmOffset; } 2172b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2173264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 217471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 217571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2176264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 217771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 217871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2179264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2180264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2181264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2182264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2183264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2184264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 218571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 218671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 218771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 218871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2189425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2190425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2191425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 2192b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~RegParmMask) | (RegParm << RegParmOffset)); 2193264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2194264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2195264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2196b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2197264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2198264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 219971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 220071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 220171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2202264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2203264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 22045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2205971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis FunctionType(TypeClass tc, QualType res, bool SubclassInfo, 22062455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned typeQuals, QualType Canonical, bool Dependent, 2207d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool VariablyModified, bool ContainsUnexpandedParameterPack, 2208d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ExtInfo Info) 2209d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, Canonical, Dependent, VariablyModified, 2210d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 2211d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ResultType(res) { 2212b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2213b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.SubclassInfo = SubclassInfo; 2214b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 221571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2216b870b88df784c2940efce448ebfaf54dece14666John McCall bool getSubClassData() const { return FunctionTypeBits.SubclassInfo; } 2217b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 22185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 22215291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2222b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2223b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2224b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2225b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 22265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22275291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 22285291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 22295291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 22306398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 22315291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 22325291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 223304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 223404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 22355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 22365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 22375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 22385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 22405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 224272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 22435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 224472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 224571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 22461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : FunctionType(FunctionNoProto, Result, false, 0, Canonical, 224735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*Dependent=*/false, Result->isVariablyModifiedType(), 2248d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false, Info) {} 2249d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 22505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 225160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 22525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 22541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2255bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2256bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2257bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2259264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 22605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22612455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 226271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 226371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 22645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 22655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 22685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 22695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 227072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 22715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 227372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 22745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2275465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2276465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2277465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 227872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 2279d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Determine whether there are any argument types that 2280d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// contain an unexpanded parameter pack. 2281d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray, 2282d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned numArgs) { 2283d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 2284d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor if (ArgArray[Idx]->containsUnexpandedParameterPack()) 2285d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return true; 2286d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2287d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return false; 2288d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 2289d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 229072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType(QualType Result, const QualType *ArgArray, unsigned numArgs, 2291465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned typeQuals, bool hasExs, 2292465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExs, const QualType *ExArray, 2293264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola unsigned numExs, QualType Canonical, 229435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor const ExtInfo &Info); 2295465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2297465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumArgs : 20; 2298465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2299465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 2300465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumExceptions : 10; 2301465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2302465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// HasExceptionSpec - Whether this function has an exception spec at all. 230334e80e94a21eb1ac2a9405d918e711e8b12256a9John McCall unsigned HasExceptionSpec : 1; 2304465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2305465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// AnyExceptionSpec - Whether this function has a throw(...) spec. 230634e80e94a21eb1ac2a9405d918e711e8b12256a9John McCall unsigned AnyExceptionSpec : 1; 2307465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2308942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2309942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2310465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2311465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2312465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2313465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 23145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 23154b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 23165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 23185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 23195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2320942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 23215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2322465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2323465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec() const { return HasExceptionSpec; } 2324465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec() const { return AnyExceptionSpec; } 2325465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2326465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2327465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2328465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2329465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 23301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasEmptyExceptionSpec() const { 23311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return hasExceptionSpec() && !hasAnyExceptionSpec() && 2332a12823f6c0ec9e0e644a9d0ee153e973f49c63fcAnders Carlsson getNumExceptions() == 0; 2333d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 2334465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 23355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isVariadic() const { return getSubClassData(); } 2336971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 23371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2339942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2340942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2341942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2342942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2343465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2344465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2345465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2346465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2347465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2348465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2349465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 2350465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2351465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2352465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2353bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2354bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2355bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 23575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 23585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 235972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2360465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 23615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID); 23625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2363942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 2364465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned TypeQuals, 2365465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec, bool anyExceptionSpec, 23662455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExceptions, exception_iterator Exs, 236771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo ExtInfo); 23685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 23695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2371ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2372ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2373ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2374ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2375ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2376ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2377ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 237819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 2379d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(UnresolvedUsing, QualType(), true, false, 2380d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 238119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2382ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2383ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2384ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2385ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2386ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2387ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2388ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2389ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2390ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2391ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2392ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2393ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2394ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2395ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2396ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2397ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2398ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2399ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2400ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2401ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2402ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2403ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2404ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 24055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 24065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *Decl; 2407c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 240819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TypedefType(TypeClass tc, const TypedefDecl *D, QualType can) 2409d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, can, can->isDependentType(), can->isVariablyModifiedType(), 2410d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 241119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<TypedefDecl*>(D)) { 24125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 24135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 24155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 24161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *getDecl() const { return Decl; } 24181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2419bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2420bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2421bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 242272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 24235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 24245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 242672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 242772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2428d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 24291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2430b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2431dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2432d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2433d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2434d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 24351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2436bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2437bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2438bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2439bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2440bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2441bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 244272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 244372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2444d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2445d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2446c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 24471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2448c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2449c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2450c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2451c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 24521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2453b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 2454b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor ASTContext &Context; 24551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2456b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 24571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentTypeOfExprType(ASTContext &Context, Expr *E) 2458b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 24591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2460bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2461bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2462bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2463b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2464b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2465b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 24661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2467b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 2468b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2469b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 24701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2471d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2472d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2473d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 24741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 2475d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(TypeOf, can, T->isDependentType(), T->isVariablyModifiedType(), 2476d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor T->containsUnexpandedParameterPack()), 247735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 2478d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2479d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2480d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2481d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2482d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 24831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2484bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2485bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2486bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2487bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2488bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2489bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 249072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2491d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2492d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 24935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2494395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2495395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2496395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 24971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2498563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2499563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2500563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2501563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 25021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25039d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2504563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2505395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2506395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2507395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2508563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2509563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2510bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2511bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2512bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2513bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2514bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2515bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2516395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2517395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2518395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 25191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2520c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2521c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2522c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2523c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2524c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2525c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 25269d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 25279d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor ASTContext &Context; 25281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25299d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 25309d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType(ASTContext &Context, Expr *E); 25311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2532bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2533bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2534bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 25359d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 25369d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 25379d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 25381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25399d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 25401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 25419d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 25421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 2544ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 2545ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 2546ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 25472ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 25482ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 254919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 25502ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 25511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 2552ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 25531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25540b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 25551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 2556ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 25570b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 25581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 255972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 256072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 25615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 256272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 256372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 25645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 25655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25665edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 25675edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 25685edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 256949aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 257019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 257119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 257272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 257319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 25742ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 25755edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 25761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25775edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 25785edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 25795edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 25801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 25825edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 25831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 25845edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 25855edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 25865edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // FIXME: RecordType needs to check when it is created that all fields are in 25875edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // the same address space, and return that. 25885edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner unsigned getAddressSpace() const { return 0; } 25891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2590bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2591bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2592bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 25932daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 25942daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 25952daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 25962daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 25975edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 25985edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 25995edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 26005edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 26015edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 26025edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 260319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 260419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 26052ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 26065edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 26071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26085edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 26095edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 26105edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 26111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2612bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2613bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2614bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 26152daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 26162daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 26172daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 26182daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 26195edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 26205edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 26215edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 2622fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 2623efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Depth : 15; 2624efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned ParameterPack : 1; 262577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Index : 16; 2626efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name; 262772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2628efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(unsigned D, unsigned I, bool PP, IdentifierInfo *N, 2629efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor QualType Canon) 263035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 2631d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, PP), 263277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(N) { } 263372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 26341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 263535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true, 2636d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, PP), 263777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(0) { } 263872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2639fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 264072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2641fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 2642efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getDepth() const { return Depth; } 2643efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getIndex() const { return Index; } 2644efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor bool isParameterPack() const { return ParameterPack; } 2645efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Name; } 26461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2647bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2648bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2649bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2650fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2651efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Profile(ID, Depth, Index, ParameterPack, Name); 2652fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2653fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 26541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 26551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 2656efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 2657fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 2658fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 265976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 2660efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor ID.AddPointer(Name); 2661fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2662fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 26631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 26641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 266572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 266672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 266772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 2668fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 266949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 267049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 267149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 267249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 267349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 267449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 267549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 267649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 267749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 267849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 267949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 268049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 268135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 2682d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->isVariablyModifiedType(), 2683d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->containsUnexpandedParameterPack()), 268449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 268549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 268649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 268749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 268849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 2689efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Replaced->getName(); } 2690efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor 269149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 269249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 269349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 269449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 269549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 269649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 269749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 269849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 269949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 270049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 270149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 270249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 270349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 270449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 270549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 270649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 270749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 270849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 270949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 271049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 271149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 271249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 271349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 271449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 271549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 271649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 271749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 271849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 271949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 272049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 27217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 27227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 272355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 27247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 27257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 27267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 27277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 27287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 272955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 27301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 273155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 27327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 27337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 27347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 27357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 27361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 273755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 273833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The name of the template being specialized. 27397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 274055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 274140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 274240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 274355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 274455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2745ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 27467532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 27477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, QualType Canon); 274855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 274955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 275055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 275155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 275240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 275340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 275440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 27551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 275640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 2757833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 2758833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 2759833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2760d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 2761d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2762df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 2763df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 2764df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 2765d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 2766d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor const PrintingPolicy &Policy); 2767df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 2768833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 2769833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 2770833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 2771833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2772d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 2773d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 2774d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 277531f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 277631f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 277731f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 277871d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 277931f17ecbef57b5679c017c375db330546b7b5145John McCall } 278031f17ecbef57b5679c017c375db330546b7b5145John McCall 278140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 278240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 278340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 278433500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 278540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 27867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 27877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 278855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 278940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 27901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 279140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 279240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 279340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 279440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 279555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 279655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 279755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 279855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 279933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 280055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 280131f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 280231f17ecbef57b5679c017c375db330546b7b5145John McCall return !isDependentType() || isCurrentInstantiation(); 280331f17ecbef57b5679c017c375db330546b7b5145John McCall } 2804bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 2805bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2806ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Ctx) { 280771d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 280855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 280955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 28107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 281131f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 281231f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 2813828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor ASTContext &Context); 281455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 28151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 28161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 281755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 28187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 281955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 282055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 282131f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 282231f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 282331f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 282431f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 28253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 282631f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 282731f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 28283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 282931f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 283031f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 283131f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 283231f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 283331f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 283431f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 283531f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 283631f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 283731f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 28383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 28393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 28403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 284131f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 284231f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 284331f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 284431f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 284531f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 284631f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 284731f17ecbef57b5679c017c375db330546b7b5145John McCall /// 284831f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 284931f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 285031f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 28513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 28523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 2853c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 2854c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 285543921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 285631f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 285735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 2858d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 2859d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 286031f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 28613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 28623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 286331f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 28643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 28653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 28663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 286731f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 286831f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 286931f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 28703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 28713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2872ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 28733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 287431f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 287531f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 28763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 28773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 28783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 28793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 28803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 28813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 28823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2883465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 2884465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 2885465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 2886465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 2887465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 2888465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 2889465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 2890465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 2891465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 2892465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 2893465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2894465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 28954a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 28964a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 28974a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 28984a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 28994a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 29004a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 29014a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 2902465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 2903465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 29044a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 2905465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 2906465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 2907465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 2908465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 2909465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 2910465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 29114a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 2912465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2913465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 2914465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 2915465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 2916465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 2917465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 2918465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 2919465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 2920d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType Canonical, bool Dependent, bool VariablyModified, 2921d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 2922d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, Canonical, Dependent, VariablyModified, 2923d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack) { 292477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 292577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 2926465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2927465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 2928465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 292977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 2930465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2931465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2932465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 2933465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 2934465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 2935465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2936465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 2937465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 2938465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2939465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 2940465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2941465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 2942465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 2943465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 2944465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2945465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 2946465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 2947465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2948465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 2949465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2950465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 2951465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2952465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 2953465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2954465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 2955465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 2956465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2957465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2958465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 2959465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 2960465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2961465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2962465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 2963465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 2964465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 2965e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 2966e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 2967465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 2968465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 2969465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 2970465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 2971465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2972ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2973ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 2974e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2975e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 2976e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 2977e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2978465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 2979465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 2980465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 298135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 2982d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->isVariablyModifiedType(), 2983d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->containsUnexpandedParameterPack()), 2984465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 2985465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 2986465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 2987465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 2988465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2989e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2990e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 2991e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2992e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 299333500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 2994465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2995ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 2996ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2997e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2998e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 2999e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 3000e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3001bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3002bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 3003bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3004bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3005bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3006bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3007e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3008465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 3009e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3010e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3011465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 3012465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 3013465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 3014ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 3015ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 3016ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 3017e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 30181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 3019465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 3020e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3021465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 3022e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 3023e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 30244a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 30254a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 3026d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 30274a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 30284a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 30294a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 30304a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 30314a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 30324a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 3033465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 3034465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3035d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3036d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 3037d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3038d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 303933500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 3040d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 30414a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 30424a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 304335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 3044d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3045d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NNS->containsUnexpandedParameterPack()), 3046465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 30471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 30484714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 3049d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3050d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3051d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 3052d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3053d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 3054d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 3055d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3056d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 30571734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 30581734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 30591734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 30601734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 30611734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 30621734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 30631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 306433500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 30651734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 3066d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3067bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3068bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3069bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3070d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3071465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 3072d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3073d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 30744a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 307533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 30764a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 3077d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 307833500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 3079d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3080d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 30811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 30824714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 3083d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 30844714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 3085d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 3086d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 308733500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 308833500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 308933500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 309033500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 309133500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 309233500955d731c73717af52088b7fc0e7a85681e7John McCall 309333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 309433500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 309533500955d731c73717af52088b7fc0e7a85681e7John McCall 309633500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 309733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 309833500955d731c73717af52088b7fc0e7a85681e7John McCall 309933500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 310033500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 310133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 310233500955d731c73717af52088b7fc0e7a85681e7John McCall 310333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 310433500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 310533500955d731c73717af52088b7fc0e7a85681e7John McCall } 310633500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 310733500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 310833500955d731c73717af52088b7fc0e7a85681e7John McCall } 310933500955d731c73717af52088b7fc0e7a85681e7John McCall 3110ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 311133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 311233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 311333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 311433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 311533500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 311633500955d731c73717af52088b7fc0e7a85681e7John McCall 311733500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 311833500955d731c73717af52088b7fc0e7a85681e7John McCall 311933500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 312033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 312133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 312233500955d731c73717af52088b7fc0e7a85681e7John McCall 312333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 312433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 312533500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 312633500955d731c73717af52088b7fc0e7a85681e7John McCall } 312733500955d731c73717af52088b7fc0e7a85681e7John McCall 312833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 312933500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 313033500955d731c73717af52088b7fc0e7a85681e7John McCall 313133500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 313233500955d731c73717af52088b7fc0e7a85681e7John McCall 313333500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 313433500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 313533500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 313633500955d731c73717af52088b7fc0e7a85681e7John McCall 313733500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 313833500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 313933500955d731c73717af52088b7fc0e7a85681e7John McCall 3140ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context) { 314133500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 314233500955d731c73717af52088b7fc0e7a85681e7John McCall } 314333500955d731c73717af52088b7fc0e7a85681e7John McCall 314433500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 314533500955d731c73717af52088b7fc0e7a85681e7John McCall ASTContext &Context, 314633500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 314733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 314833500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 314933500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 315033500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 315133500955d731c73717af52088b7fc0e7a85681e7John McCall 315233500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 315333500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 315433500955d731c73717af52088b7fc0e7a85681e7John McCall } 315533500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 315633500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 315733500955d731c73717af52088b7fc0e7a85681e7John McCall } 315833500955d731c73717af52088b7fc0e7a85681e7John McCall}; 315933500955d731c73717af52088b7fc0e7a85681e7John McCall 3160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 3161c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 3162c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 3163c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3164c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 3165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 3166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 3167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3168c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 3169c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 3170c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3171c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 3172c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3173e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 3174e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 3175e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 3176c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3177e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 3178e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 3179e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 3180c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 3181b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 3182b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 318371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 318471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 318571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 318671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 318771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 318871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 318971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 3190c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 3191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 3192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 3193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3194c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 3195c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 3196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3197c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 3199c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3200c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 3201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 3202c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 3203c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3204c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 3205c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 3206d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(ObjCInterface, QualType(), false, false, false), 320771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 3208b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 320971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 3210c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 32113536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 3212e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 3213e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 3214e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 3215e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 3216e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 3217e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 3218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 321971842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 3220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 3221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 3222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 3224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 3225c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3226c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 3227c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 3228c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 3229c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 3230c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 3231c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 3232c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 3233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 3234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 3236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 3237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3238c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 3239c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 3240c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 3241c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3242c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 3243c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 3245c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 3246c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3247c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 32481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3249c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 3250c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 3251b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 325214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3253c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 325473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 325573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 325673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 325773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 325873dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3259bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3260bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3261bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 3263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 3264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 3265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3266c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 3267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 3268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 3270c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 3271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 3272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 3273c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 3274c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 3275c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3276c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 3277c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 3278c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3279c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 3280c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 3281c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 3282c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 3283c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3284c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3285c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 32861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 3287c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 3288c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 3289c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 3290c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 32911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3292c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 3293c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 3294c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 3295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3297c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 3298c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 3299c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 3300c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 3301c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 3302e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 3303e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 3304e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 3305e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 3306e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 3307e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 3308e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 3309e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 3310c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 3311c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 3312c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3313c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 3314c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 3315c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 3316c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 33171fb0caaa7bef765b85972274e3b434af2572c141John McCall 3318c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3319e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 3320deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 3321c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 3323c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 33240b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 33251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 33261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 33273536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 3328a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 3329c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3330c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 3331c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 3332c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 3333c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 3334c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 3335c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 3336c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 3337c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 3338c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 3339c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 3340c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 33413536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 33423536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 3343c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 3344c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 3345c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 3346c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 3347c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 3348c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3349c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3350e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 3351e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 3352e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 3353e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 3354e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 3355e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 335614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 3357e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 3358e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 335914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 3360e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 33611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3362c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 3363d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(ObjCObjectPointer, Canonical, false, false, false), 3364c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 336514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 33661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 336714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 3368e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 3369e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 337014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 337114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3372e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 3373e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 3374e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3375e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 3376e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 3377e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 3378e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 3379e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 3380e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 3381e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 3382e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 3383e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 3384e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 3385e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 3386e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 3387e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 3388e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 3389e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 3390e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 3391e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 3392e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 3393e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 3394c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 3395c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return PointeeType->getAs<ObjCObjectType>(); 3396c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3397c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3398e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 3399e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 3400e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 3401e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3402e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 34031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 3404c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 340514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3406e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3407e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 3408e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 3409e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3410e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 341114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 3412e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 341314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3414e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3415e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 3416e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 341714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 3418c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 341914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3420e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3421e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 3422e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 342314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 3424c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 3425de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 34268d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 3427e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 3428e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 34291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 3430c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 3431de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 3432e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3433e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 3434e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 3435470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 3436c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 343714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3438e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3439e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 3440e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 3441e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 3442c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 344314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 344471842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 3445c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 344671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3447c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 3448c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 344971842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3450c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 345114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3452e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 3453e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 3454c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 3455c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 3456c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 345714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3458e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 3459e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 346073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 3461c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 346273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 346373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3464bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3465bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3466bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3467e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3468e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 3469e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 3470c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 3471c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 3472c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 34731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 34741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 347514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 347614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 347714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 34781bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 34790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 34800953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 34810953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 348249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 34830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 34850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// unqualified type. 34860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *strip(QualType QT) { 3487a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor addFastQualifiers(QT.getLocalFastQualifiers()); 3488a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (QT.hasLocalNonFastQualifiers()) { 34890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = QT.getExtQualsUnsafe(); 34900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(EQ->getQualifiers()); 34910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getBaseType(); 34920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QT.getTypePtrUnsafe(); 34940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 349749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType apply(ASTContext &Context, QualType QT) const; 34980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 350049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType apply(ASTContext &Context, const Type* T) const; 35010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 35020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3504611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 35055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3506467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 3507467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall const Type *T = getTypePtr(); 3508a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) 3509467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified() && !isa<ArrayType>(T); 3510467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified(); 3511467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 3512467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 351354e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 3514a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 3515745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 351654e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 3517745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if ((*this)->isPointerType()) { 3518745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType BaseType = (*this)->getAs<PointerType>()->getPointeeType(); 3519745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (isa<VariableArrayType>(BaseType)) { 3520745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArrayType *AT = dyn_cast<ArrayType>(BaseType); 3521745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian VariableArrayType *VAT = cast<VariableArrayType>(AT); 3522745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (VAT->getSizeExpr()) 3523745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = BaseType.getTypePtr(); 3524745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 3525745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 352654e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->isCanonicalUnqualified() && 352754e14c4db764c0636160d26c5bbf491637c83a76John McCall !isa<FunctionType>(T) && !isa<ArrayType>(T); 352854e14c4db764c0636160d26c5bbf491637c83a76John McCall} 352954e14c4db764c0636160d26c5bbf491637c83a76John McCall 3530fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 3531fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 3532fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalConstQualified(); 3533fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3534fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3535fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 3536fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 3537fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalRestrictQualified(); 3538fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3539fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3540fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3541fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 3542fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 3543fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalVolatileQualified(); 3544fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3545fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3546fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 3547fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 3548fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers(); 3549fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3550fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3551fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline Qualifiers QualType::getQualifiers() const { 3552fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers Quals = getLocalQualifiers(); 3553fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Quals.addQualifiers( 3554fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalQualifiers()); 3555fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return Quals; 3556fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3557fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3558fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline unsigned QualType::getCVRQualifiers() const { 3559fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getLocalCVRQualifiers() | 3560fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalCVRQualifiers(); 3561fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3562e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 3563e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// getCVRQualifiersThroughArrayTypes - If there are CVR qualifiers for this 3564e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type, returns them. Otherwise, if this is an array type, recurses 3565e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// on the element type until some qualifiers have been found or a non-array 3566e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type reached. 3567e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruthinline unsigned QualType::getCVRQualifiersThroughArrayTypes() const { 3568e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (unsigned Quals = getCVRQualifiers()) 3569e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return Quals; 3570e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3571e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3572e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return AT->getElementType().getCVRQualifiersThroughArrayTypes(); 3573e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return 0; 3574e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth} 3575e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 357649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 357749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 35780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 35790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 358049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 358149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 35820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 35830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 358449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 358549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 35860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 35870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 358849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 35896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 3590c3c0af36bac3d71f61dd758585ab307892545de4Douglas Gregor assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask); 35910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 359349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 3594ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3595ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 3596ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 3597ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 3598a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 35990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 36000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 36010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 36020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 36030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 36044243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3605a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 36060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 36070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 36080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 36090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 36100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 36114243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3612c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT->getElementType().getAddressSpace(); 36134243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const RecordType *RT = dyn_cast<RecordType>(CT)) 36148e7dafec4b70303dfaff95151cd06bfc5532720cNate Begeman return RT->getAddressSpace(); 3615ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb return 0; 3616ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3617611c1fff195d32df97706e0920c92468b2509900Chris Lattner 3618d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 36190953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 3620a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 36210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 36220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 36230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 36240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 36250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3626d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3627a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 36280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 36290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 36300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 36310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 36320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3633d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3634d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return AT->getElementType().getObjCGCAttr(); 3635183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *PT = CT->getAs<ObjCObjectPointerType>()) 36361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 3637ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian // We most look at all pointer types, not just pointer to interface types. 3638ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian if (const PointerType *PT = CT->getAs<PointerType>()) 36391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 36400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 3641d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 36422455636163fdd18581d7fdae816433f886d88213Mike Stump 3643264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 3644264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 3645183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 3646264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 3647264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 3648264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 36492455636163fdd18581d7fdae816433f886d88213Mike Stump 3650264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 36512455636163fdd18581d7fdae816433f886d88213Mike Stump} 36521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3653264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 3654264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 3655ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 3656ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 3657b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// \brief Determine whether this set of qualifiers is a superset of the given 3658b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// set of qualifiers. 3659b87786f045d798b070980c108c922e1475d27b15Douglas Gregorinline bool Qualifiers::isSupersetOf(Qualifiers Other) const { 3660b87786f045d798b070980c108c922e1475d27b15Douglas Gregor return Mask != Other.Mask && (Mask | Other.Mask) == Mask; 3661b87786f045d798b070980c108c922e1475d27b15Douglas Gregor} 3662b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 3663e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 3664e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 3665e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 3666e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 3667e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 3668e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isMoreQualifiedThan(QualType Other) const { 36690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3670e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3671e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3672ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3673ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3674e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return MyQuals != OtherQuals && (MyQuals | OtherQuals) == MyQuals; 3675e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3676e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3677e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 3678e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 3679e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 3680e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 3681e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isAtLeastAsQualifiedAs(QualType Other) const { 36820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3683e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3684e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3685ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3686ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3687e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return (MyQuals | OtherQuals) == MyQuals; 3688e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3689e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3690e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 3691e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 3692e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 3693e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 3694e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 3695e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 3696e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 3697e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 3698e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 3699e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 37006217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 3701e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 3702e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 3703e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 3704e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3705e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3706611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 3707a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 3708611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3709611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 3710a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 3711611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 371258f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 371358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 371458f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 37155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 3716a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 37175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 3718bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 3719a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 3720bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 37217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 3722a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 37237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 37247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 3725a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 37267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 3727498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 37286217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* T = getAs<PointerType>()) 3729498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 3730498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 3731498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 3732498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 3733f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 3734a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 3735f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3736f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 37376217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 37380bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 3739f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 3740f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 3741f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3742db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 3743db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 37440bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 3745db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 3746db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 3747db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 3748611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 3749a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 3750611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3751c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 3752a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 3753c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3754c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 3755a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 3756c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3757c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 3758a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 3759c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3760898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 3761a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 3762898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 37633ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 37643ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 37653ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3766611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 3767a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 3768611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 37693ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 37703ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 37713ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3772f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 3773a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 3774f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 3775611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 3776a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 3777611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3778213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 3779a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 3780611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3781d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 3782a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 3783d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 3784c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 3785c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 3786368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 3787569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 3788569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 3789569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 3790569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 3791569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 3792a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 3793183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3794d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 3795d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 3796d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 3797470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 3798183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3799470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 3800470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 3801470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 380214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 3803183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 380414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 380514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 380614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 380714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 3808183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 380914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 381014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 381114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 381213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 38138d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 38148d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 381513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 381613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 3817de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 381813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 3819de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 382072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 3821a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 382272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 382372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3824e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 3825183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 3826e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 3827e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 3828e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 3829e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 3830e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 38312a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 38322a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 38332a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 38342a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 38352a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 38362a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3837063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 3838063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 3839063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 3840063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 3841904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 3842904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 38438958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 38448958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 3845c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 38468958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 38478958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 3848820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 3849c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 3850820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 3851820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 385222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 385322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 385422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 385522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 385622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 385722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 385822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 385922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 38601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 386147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 386247c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 386347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 386447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 386547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 386647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 386747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 386847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 386947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 387089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 387189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 387289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 387389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 387489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 387589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 387689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 387789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 387889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 387989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 38801a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 38811a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 388289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 388389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 388489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 38851a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 38861a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 38871a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 38881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38891a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 38900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 38911a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 38921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 38941a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 3895bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 38961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 389722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 38985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 38995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 39005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3901