Type.h revision db68e28c05a67735211e688009890cf834c22e75
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Type.h - C Language Family Type Representation ---------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Type interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_TYPE_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_TYPE_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner#include "clang/Basic/Diagnostic.h" 181734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "clang/Basic/IdentifierTable.h" 190b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor#include "clang/Basic/Linkage.h" 2047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth#include "clang/Basic/PartialDiagnostic.h" 21e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/Support/Casting.h" 2450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 25fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 265cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 275cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 281734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::isa; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast_or_null; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast_or_null; 356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignmentInBits = 3, 386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 40aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 41aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 42aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 454e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 464e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 47daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 48bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 49bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 50bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 54bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 56bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 66aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 67aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 68aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 694e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 704e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TypedefDecl; 7455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 76aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 8049aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8221d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 83a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 84a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 85a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 86ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 88b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 9092866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 92833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 93d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 94ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall class Type; 95465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 963b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 9772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 98ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall template <typename> class CanQual; 99ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 100ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 104f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1100953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 120d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 121d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 122d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 123d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 124efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 1250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 1310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastWidth = 2, 1320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 2400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 2420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 2470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 2480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 2490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 2500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 2510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 2520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 2530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 2560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 2570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 2580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 2600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 2610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 2620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 2630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 2640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 2650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 2660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 2670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 2680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 2690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 274b87786f045d798b070980c108c922e1475d27b15Douglas Gregor bool isSupersetOf(Qualifiers Other) const; 275b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 2760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 2940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 2950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 2960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 2970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 3000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 3030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bits: |0 1 2|3 .. 4|5 .. 31| 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // |C R V|GCAttr|AddrSpace| 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceMask = ~(CVRMask | GCAttrMask); 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceShift = 5; 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// ExtQuals - We can encode up to three bits in the low bits of a 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// type pointer, but there are many more type qualifiers that we want 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// to be able to apply to an arbitrary type. Therefore we have this 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// struct, intended to be heap-allocated and used by QualType to 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// store qualifiers. 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// The current design tags the 'const' and 'restrict' qualifiers in 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// two low bits on the QualType pointer; a third bit records whether 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// the pointer is an ExtQuals node. 'const' was chosen because it is 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// orders of magnitude more common than the other two qualifiers, in 3280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// both library and user code. It's relatively rare to see 3290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'restrict' in user code, but many standard C headers are saturated 3300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// with 'restrict' declarations, so that representing them efficiently 3310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// is a critical goal of this representation. 3320953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass ExtQuals : public llvm::FoldingSetNode { 3330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // NOTE: changing the fast qualifiers should be straightforward as 3340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // long as you don't make 'const' non-fast. 3350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 1. Qualifiers: 3360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 3370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers must occupy the low-order bits. 3380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update Qualifiers::FastWidth and FastMask. 3390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 2. QualType: 3400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 3410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update remove{Volatile,Restrict}, defined near the end of 3420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this header. 3430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 3. ASTContext: 3440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update get{Volatile,Restrict}Type. 3450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Context - the context to which this set belongs. We save this 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// here so that QualifierCollector can use it to reapply extended 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers to an arbitrary type without requiring a context to 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// be pushed through every single API dealing with qualifiers. 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext& Context; 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// BaseType - the underlying type that this qualifies 3530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType; 3540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Quals - the immutable set of qualifiers applied by this 3560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// node; always contains extended qualifiers. 3570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals(ASTContext& Context, const Type *Base, Qualifiers Quals) 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Context(Context), BaseType(Base), Quals(Quals) 3620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall { 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(Quals.hasNonFastQualifiers() 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with no fast qualifiers"); 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with fast qualifiers"); 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getQualifiers() const { return Quals; } 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Quals.hasVolatile(); } 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getBaseType() const { return BaseType; } 3801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext &getContext() const { return Context; } 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getBaseType(), Quals); 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType, 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals) { 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddPointer(BaseType); 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.Profile(ID); 3930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 396ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 397ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 398ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 399ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 400ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 401f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 402f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86ThisCall // __attribute__((thiscall)) 403ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 404ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 431fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedTypeSlow() const; 432fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4340953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4355cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4375cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 442a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 443a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type *getTypePtr() const { 449a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 4500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getExtQualsUnsafe()->getBaseType()); 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getTypePtrUnsafe()); 4520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4545cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static QualType getFromOpaquePtr(void *Ptr) { 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 4575cf243a883872441d73ca49cea7e20de5802629bChris Lattner T.Value.setFromOpaqueValue(Ptr); 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type &operator*() const { 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *operator->() const { 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 469467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 47054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 471467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 4740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 477a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 478a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 479a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 480a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 481a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 4820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 483a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 484a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 485fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 486a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 487a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 488a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 489a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 490a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 491a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 492a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 493a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 494a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 495fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 496a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 497a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 498a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 499a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 500a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 501a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (hasLocalNonFastQualifiers() && getExtQualsUnsafe()->hasVolatile()); 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 504a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 505fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 506a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 507a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 508a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 509a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 510a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 511a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 514a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 515fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 516a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 517a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 518a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 520a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 521a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 524a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 525a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 526a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 527a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers getLocalQualifiers() const { 5280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 529a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 5300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals = getExtQualsUnsafe()->getQualifiers(); 531a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Quals.addFastQualifiers(getLocalFastQualifiers()); 5320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 5330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 535a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 536fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 537a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 541a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 542a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned CVR = getLocalFastQualifiers(); 543a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (isLocalVolatileQualified()) 544a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CVR |= Qualifiers::Volatile; 5450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CVR; 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 547b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 548a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 549a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 550fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 551e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 552e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 553e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// applied to this type, looking through any number of unqualified array 554e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// types to their element types' qualifiers. 555e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned getCVRQualifiersThroughArrayTypes() const; 556e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 557bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 558bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 559bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 5601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 5620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 5630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 5650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 5660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 5670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 5690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 5700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 5730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 5740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 5750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 5760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 578a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // FIXME: The remove* functions are semantically broken, because they might 579a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // not remove a qualifier stored on a typedef. Most of the with* functions 580a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // have the same problem. 5810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst(); 5820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile(); 5830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict(); 5840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned Mask); 5850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { Value.setInt(0); } 5870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned Mask) { 5880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 5890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 5900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 5930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 5940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 5950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 5960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 5970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 5980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5991c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 6000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 6010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 6020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withExactFastQualifiers(unsigned TQs) const { 6030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withoutFastQualifiers().withFastQualifiers(TQs); 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 6070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withoutFastQualifiers() const { 6080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.removeFastQualifiers(); 6100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 611c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 612971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 613a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 614a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 615a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 616a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 618a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return the unqualified form of the given type, which might be 619a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// desugared to eliminate qualifiers introduced via typedefs. 620fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedType() const { 621fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType T = getLocalUnqualifiedType(); 622fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor if (!T.hasQualifiers()) 623fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return T; 624fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 625fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getUnqualifiedTypeSlow(); 626a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 627a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 628e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 629e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 630e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6326398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 6336398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 6345291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 6356398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 6366398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 6376398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 6385291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 6395291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 6406398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 6415291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 6422fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 6432fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 6442fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 6452fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 6462fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 6472fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 6480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 6490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 650bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType getDesugaredType() const { 651bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::getDesugaredType(*this); 652bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 65398cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 6545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 6555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 65650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 65750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 65950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 66050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 662d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString() const; 663d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 664d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 666d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 669e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 670e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy) const; 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 672c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 673c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6753f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 6763f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 6773f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 679ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 680ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 6811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 682d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 6830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 684f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 685f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 686f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 6870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 688f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 689f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 690f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 691f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 6920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 693f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 6942455636163fdd18581d7fdae816433f886d88213Mike Stump 695bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 696bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 697bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 698bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 699bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 700bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static QualType getDesugaredType(QualType T); 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 7045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 7065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 7075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 7085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 7095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef ::clang::Type* SimpleType; 7105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Val.getTypePtr(); 7125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 7155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7174e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 7184e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 719daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 7204e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 7214e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 7224e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 7234e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7244e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 7254e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 7264e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 7280eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 7294e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 7301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73173af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 74672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 74972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Type { 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 76372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 76427935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 76572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 76672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 76772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 7691bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 771c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 772c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 773c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CanonicalType; 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 77727935ee59c30b0d8b610ab676aab8e65350af932John McCall unsigned TC : 8; 77827935ee59c30b0d8b610ab676aab8e65350af932John McCall 77927935ee59c30b0d8b610ab676aab8e65350af932John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Note that this should stay at the end of the ivars for Type so that 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// subclasses can pack their bitfields into the same word. 78227935ee59c30b0d8b610ab676aab8e65350af932John McCall bool Dependent : 1; 78360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 78460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Whether the linkage of this type is already known. 78560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor mutable bool LinkageKnown : 1; 78660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 78760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Linkage of this type. 78860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor mutable unsigned CachedLinkage : 2; 78907a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 7903c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief FromAST - Whether this type comes from an AST file. 7913c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl mutable bool FromAST : 1; 79207a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 7933c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 7943c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 7953c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl FromAST = V; 79607a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 79707a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 79960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Compute the linkage of this type. 80060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 80160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 80207a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl enum { BitsRemainingInType = 19 }; 803c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 804124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 805124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 806898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Type(TypeClass tc, QualType Canonical, bool dependent) 807f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner : CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical), 80860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor TC(tc), Dependent(dependent), LinkageKnown(false), 8093c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl CachedLinkage(NoLinkage), FromAST(false) {} 810afb6416bf7f04a00c44092e802f335bb3636489cDouglas Gregor virtual ~Type(); 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 8121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8138b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 814a8ae51f79d35b7c1822ba4a086176b4a8c862862Hartmut Kaiser TypeClass getTypeClass() const { return static_cast<TypeClass>(TC); } 8151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8163c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 8173c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl bool isFromAST() const { return FromAST; } 81807a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 819467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 820467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return CanonicalType.getTypePtr() == this; 821467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 8251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 8275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 8285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 8291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 8305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 831d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 832d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 833d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 834d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 835d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 836d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 83764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 83864b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 83964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl bool isPODType() const; 84064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 841ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 842ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 843ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 844ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 845d7444aac1af1c2c1d5e5b7467ecf6006ee2d8abeSteve Naroff /// isVariablyModifiedType (C99 6.7.5.2p2) - Return true for variable array 846d7444aac1af1c2c1d5e5b7467ecf6006ee2d8abeSteve Naroff /// types that have a non-constant expression. This does not include "[]". 847d7444aac1af1c2c1d5e5b7467ecf6006ee2d8abeSteve Naroff bool isVariablyModifiedType() const; 8481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 850ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 851e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 8529b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 8539b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 8549b065ddabf572772991a4aadad5bf4921fac5069Tom Care 855e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 856e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 8571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85896d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 85996d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 86113b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 86213b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 86313b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 86477a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 86520093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 8669d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 86720093b4bf698f292c664676987541d5103b65b15Douglas Gregor 8682ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 8692ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 8702ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 87302f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 87402f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 8755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 876f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 880c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 881c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 882c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 883d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 8841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 885c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 886ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 887c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 888183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 889183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 890befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 89158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 8925618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 8937154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 894a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 8957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 8967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 897bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 898f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 899f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 900db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 901c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 902c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 903c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 904c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 905898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 906c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 9071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 9081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 909fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 9104cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 911368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 912368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 913213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 914d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff bool isObjCObjectPointerType() const; // Pointer to *any* ObjC object. 91514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 91614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 917c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 918368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 919368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 920470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 921569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 92214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 92314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 92413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 925de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 92672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 9276e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 928898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 929898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 9301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 931898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 932898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentType() const { return Dependent; } 933063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 93472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 9354033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 9364033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 9374033642464e8ba0982f88f34cffad808d247b393Douglas Gregor 9388958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 9398958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 9408958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 9416e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 9428958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 9438958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 944820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 945820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 9461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 947820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 948f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 949f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 950f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 951f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 952f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 953f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 954f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 955f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 956f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 957f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 958f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 959f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 9608eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 9618eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 9628eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 963f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 964c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 965f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 966f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 967769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 968898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 969c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 9704cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 97114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 97214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 97314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 97414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 975c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 976a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 9771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 978c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 979c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 980c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 981c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 982c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 983fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // Member-template getAs<specific type>'. Look through sugar for 984fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // an instance of <specific type>. This scheme will eventually 9851a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // replace the specific getAsXXXX methods above. 986183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // 987183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // There are some specializations of this member template listed 988183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // immediately following this class. 9891a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 9901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 991c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 992c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 993c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 994c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 996f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 997f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 99814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 9991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1000bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1001bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1002bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1003bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 10041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1009d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 1010d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 1011d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// integer element type. 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 1015d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 1016d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 1017d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// element type. 10185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1019d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 10219bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 10229bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 10233c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1024c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 102522b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 102622b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 102722b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 102822b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 10290b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 103060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 103160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 103260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 103360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 103460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 103560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 10360b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1037ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1038ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1039ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1040ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1041c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1043be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1044c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1045a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 10465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1048183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1049183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1050183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1051183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1052183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1053183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1054183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1055183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1056183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 10570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1058183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1059183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1060183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1061183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 10635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 10645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 10681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 1072f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1073f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 10775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 10782df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 10822ff9b4c7c8fed9233a0b8de2e9507368c451aab6Argyrios Kyrtzidis WChar, // This is 'wchar_t' for C++. 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 10865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 10872df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 10881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10898e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 10908e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 10916e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 10926e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 1093898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Overload, // This represents the type of an overloaded function declaration. 1094e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson Dependent, // This represents the type of a type-dependent expression. 10951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1096de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff UndeducedAuto, // In C++0x, this represents the type of an auto variable 1097e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // that has not been deduced yet. 1098e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1099e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'id' type. The type pointed to by the 1100e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'id' type. Only ever shows up in an AST as the base 1101e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type of an ObjCObjectType. 1102e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCId, 1103e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1104e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'Class' type. The type pointed to by the 1105e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'Class' type. Only ever shows up in an AST as the 1106e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// base type of an ObjCObjectType. 1107e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCClass, 1108e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 110913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSel // This represents the ObjC 'SEL' type. 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Kind TypeKind; 111360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 111460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 111560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 111660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent)), 1120898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor TypeKind(K) {} 11211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Kind getKind() const { return TypeKind; } 1123e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1125bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1126bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1127bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1128680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 1129680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Bool && TypeKind <= Int128; 1130680523a91dd3351389667c8de17121ba7ae82673John McCall } 1131680523a91dd3351389667c8de17121ba7ae82673John McCall 1132680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 1133680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Char_S && TypeKind <= Int128; 1134680523a91dd3351389667c8de17121ba7ae82673John McCall } 1135680523a91dd3351389667c8de17121ba7ae82673John McCall 1136680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 1137680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Bool && TypeKind <= UInt128; 1138680523a91dd3351389667c8de17121ba7ae82673John McCall } 1139680523a91dd3351389667c8de17121ba7ae82673John McCall 1140680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 1141680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Float && TypeKind <= LongDouble; 1142680523a91dd3351389667c8de17121ba7ae82673John McCall } 1143680523a91dd3351389667c8de17121ba7ae82673John McCall 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 11495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 11505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 11541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Type(Complex, CanonicalPtr, Element->isDependentType()), 1155898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 115860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 115960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 116060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 116160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 11641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1165bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1166bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1167bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 117968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1180bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 118168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1182bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 118568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar Type(Pointer, CanonicalPtr, Pointee->isDependentType()), PointeeType(Pointee) { 11865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 118860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 118960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 119060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 119160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 11925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 119468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 119568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1196bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1197bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1198bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 11995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 12115618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 12125618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 12135618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 12145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 12155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 12165618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 12171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Type(BlockPointer, CanonicalCls, Pointee->isDependentType()), 1218898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 12195618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12205618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 122160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 122260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 122360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 122460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 12255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 12261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 12285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 12295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1230bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1231bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1232bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 12335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 12345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 12355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 12375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 12385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 12411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 12425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 12445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 12455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 12475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 124868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 124968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 125068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 125154e14c4db764c0636160d26c5bbf491637c83a76John McCall /// True if the type was originally spelled with an lvalue sigil. 125254e14c4db764c0636160d26c5bbf491637c83a76John McCall /// This is never true of rvalue references but can also be false 125354e14c4db764c0636160d26c5bbf491637c83a76John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 125454e14c4db764c0636160d26c5bbf491637c83a76John McCall /// as follows: 125554e14c4db764c0636160d26c5bbf491637c83a76John McCall /// 125654e14c4db764c0636160d26c5bbf491637c83a76John McCall /// typedef int &ref; // lvalue, spelled lvalue 125754e14c4db764c0636160d26c5bbf491637c83a76John McCall /// typedef int &&rvref; // rvalue 125854e14c4db764c0636160d26c5bbf491637c83a76John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 125954e14c4db764c0636160d26c5bbf491637c83a76John McCall /// ref &&a; // lvalue, inner ref 126054e14c4db764c0636160d26c5bbf491637c83a76John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 126154e14c4db764c0636160d26c5bbf491637c83a76John McCall /// rvref &&a; // rvalue, inner ref 126254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue; 126354e14c4db764c0636160d26c5bbf491637c83a76John McCall 126454e14c4db764c0636160d26c5bbf491637c83a76John McCall /// True if the inner type is a reference type. This only happens 126554e14c4db764c0636160d26c5bbf491637c83a76John McCall /// in non-canonical forms. 126654e14c4db764c0636160d26c5bbf491637c83a76John McCall bool InnerRef; 126754e14c4db764c0636160d26c5bbf491637c83a76John McCall 12687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 126954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 127054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 12717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Type(tc, CanonicalRef, Referencee->isDependentType()), 127254e14c4db764c0636160d26c5bbf491637c83a76John McCall PointeeType(Referencee), SpelledAsLValue(SpelledAsLValue), 127354e14c4db764c0636160d26c5bbf491637c83a76John McCall InnerRef(Referencee->isReferenceType()) { 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 127560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 127660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 127760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 127954e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isSpelledAsLValue() const { return SpelledAsLValue; } 128073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor bool isInnerRef() const { return InnerRef; } 128173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 128254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 128354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 128454e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 128554e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 128654e14c4db764c0636160d26c5bbf491637c83a76John McCall while (T->InnerRef) 128754e14c4db764c0636160d26c5bbf491637c83a76John McCall T = T->PointeeType->getAs<ReferenceType>(); 128854e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 128954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 129068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 129254e14c4db764c0636160d26c5bbf491637c83a76John McCall Profile(ID, PointeeType, SpelledAsLValue); 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 129454e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 129554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 129654e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 12975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 129854e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 13027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 13037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 13047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 13067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 13077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 13097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 13107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 131154e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 131254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 131354e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 131454e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 13157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 13167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1317bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1318bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1319bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 13207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 13217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 13227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 13247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 13257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 13277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 13287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 13297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 133054e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 13317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 13337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1334bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1335bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1336bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 13377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 13387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 13397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1341f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1342f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1343f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1344f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1345f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1346f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1347f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1348f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1349f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1350f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1351f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1352f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 1353f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Cls->isDependentType() || Pointee->isDependentType()), 1354f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1355f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1356f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 135760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 135860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 135960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 136060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1361f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1362f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1363f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1364f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1365f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1366f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1367bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1368bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1369bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1370f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1371f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1372f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1373f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 1374f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 1375f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 1376f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 1377f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1378f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1379f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 1380f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 1381f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1382f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 13835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13872e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 13885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 1390898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 1391898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 1392898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1397fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 1398fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 13991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1400ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek // NOTE: VC++ treats enums as signed, avoid using the ArraySizeModifier enum 1401c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff /// NOTE: These fields are packed into the bitfields space in the Type class. 1402ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek unsigned SizeModifier : 2; 14031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1404c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff /// IndexTypeQuals - Capture qualifiers in declarations like: 1405c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff /// 'int X[static restrict 4]'. For function parameters only. 1406c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned IndexTypeQuals : 3; 14071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1408fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 1409898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 1410898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 1411898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 1412898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 1413898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 1414c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 1415c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 1416898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray), 1417898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(et), SizeModifier(sm), IndexTypeQuals(tq) {} 1418898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1419fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 142060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 142160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 142260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1423fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1424fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 1425ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 1426ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek return ArraySizeModifier(SizeModifier); 1427ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 14280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 14290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::fromCVRMask(IndexTypeQuals); 14300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 14310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getIndexTypeCVRQualifiers() const { return IndexTypeQuals; } 14321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1433fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 1434fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 1435c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 1436898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 1437898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 1438fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1439fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 1440fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1441fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 14427e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 14437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 14447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 14457e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 14462e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 1447fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 14481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14490be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 1450c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 14517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq), 14527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 14537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 14547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 14557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 14567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(tc, et, can, sm, tq), Size(size) {} 1457fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1458fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1459c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 1460bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1461bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1462bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14632767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 14642767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 14652767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 14662767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 14672767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 14682767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 14692767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 14702767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 14712767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 14722767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 14732767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 1474fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 14751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 14760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 1477fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1478fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 14790be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 14800be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 1481fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 1482fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 14830be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 14840be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1485fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 14867e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 148746a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 1488fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1489fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 1490fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1491fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 1492da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 1493da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 1494da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 1495c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 14967e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1497c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 14987e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 1499c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman : ArrayType(IncompleteArray, et, can, sm, tq) {} 1500c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 1501c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 1502bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1503bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1504bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 15061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 1507c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1508c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 15091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1510c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 15111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1512c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 15130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 15140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 1515c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 15161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15170be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 15180be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 1519c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 15200be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 15210be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1522c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1523c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 1524c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1525da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 1526da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 1527da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 1528da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1529da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 1530da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 1531da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 1532da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 1533da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1534da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 1535da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 1536da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 1537da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 1538da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 1539da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 15402e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 15411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 15421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 1543b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 15447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 15457e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 15467e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1547c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 15487e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 15497e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 15507e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq), 15517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 15525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 15534b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 15545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1556b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 1557b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 1558b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 1559b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 15607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 15617e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 15627e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 15631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1564bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1565bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1566bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 15695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1570fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 157292866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 15731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15742bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 1575bc5e150b6d94cf131f7d01bc715571b741c5b408Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 15762bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 15785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1579898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 1580898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 1581cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1582cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 15831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 1584898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 1585898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 1586898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 1587cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 1588cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1589898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 1590898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 1591898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 1592898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 159304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASTContext &Context; 15941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1595cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 1596898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 1597cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 1598cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 1599cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 1600898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 1601cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 16027e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 16037e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 16041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedArrayType(ASTContext &Context, QualType et, QualType can, 160604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 16077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 16087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(DependentSizedArray, et, can, sm, tq), 160904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Context(Context), SizeExpr((Stmt*) e), Brackets(brackets) {} 1610898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 1611898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1612898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 16131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1614898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 1615898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 1616898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 1617898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 16187e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 16197e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 16207e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 16211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1622bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1623bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1624bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 16261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 1627898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1628898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 16291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1630898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 16311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1633898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 16341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 16350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 1636898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 16371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 16391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 164004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 1641898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 1642898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1643f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 16449cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 16459cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 16469cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 16479cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 16489cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 16499cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 16509cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 16512ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 16522ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor ASTContext &Context; 16539cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 16549cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 16559cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 16569cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 16571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType(ASTContext &Context, QualType ElementType, 16592ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc) 16601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type (DependentSizedExtVector, can, true), 16611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context(Context), SizeExpr(SizeExpr), ElementType(ElementType), 16622ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor loc(loc) {} 16639cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 16649cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 16659cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 16662ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 16679cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 16689cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 16699cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 1670bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1671bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1672bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 16741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 16759cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 16761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 16772ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 16782ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 16792ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 16802ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16822ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 16832ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 16849cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 16851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16869cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 168773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 16881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 168982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 169082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 169173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 16925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 1693788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 1694788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner enum AltiVecSpecific { 1695788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner NotAltiVec, // is not AltiVec vector 1696788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner AltiVec, // is AltiVec vector 1697788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Pixel, // is AltiVec 'vector Pixel' 1698788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Bool // is AltiVec 'vector bool ...' 1699788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 170073322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 17015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 17025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 17031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumElements - The number of elements in the vector. 17055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumElements; 17061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1707788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner AltiVecSpecific AltiVecSpec; 170882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson 170982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 1710788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner AltiVecSpecific altiVecSpec) : 17111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Type(Vector, canonType, vecType->isDependentType()), 1712788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner ElementType(vecType), NumElements(nElements), AltiVecSpec(altiVecSpec) {} 17131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 1714788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner QualType canonType, AltiVecSpecific altiVecSpec) 17151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type(tc, canonType, vecType->isDependentType()), ElementType(vecType), 1716788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner NumElements(nElements), AltiVecSpec(altiVecSpec) {} 17175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 171860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 171960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 172060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 17215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 17241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumElements() const { return NumElements; } 17255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1726bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1727bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1728bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1729788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner AltiVecSpecific getAltiVecSpecific() const { return AltiVecSpec; } 1730788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 17315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 1732788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Profile(ID, getElementType(), getNumElements(), getTypeClass(), AltiVecSpec); 17335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 173582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 1736788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner unsigned AltiVecSpec) { 17375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 17385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 173973322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 1740788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner ID.AddInteger(AltiVecSpec); 174173322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 17420b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 17441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 17455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 17475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1749213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 1750213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 1751213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 1752fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 1753fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 1754213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 1755213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 1756788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType(ExtVector, vecType, nElements, canonType, NotAltiVec) {} 175773322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 175873322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 175988dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 176088dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 176188dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 176288dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 176388dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 176488dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 176588dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 176688dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 1767e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 1768353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 176988dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 1770353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 1771353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 1772353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 1773353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 1774353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 1775353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 1776353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 1777353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 1778353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 1779353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 1780353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 1781131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 1782353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 1783131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 1784353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 1785131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 1786353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 1787131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 1788353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 1789131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 1790353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 1791131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 1792353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 179388dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 1794e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 17951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1796b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 1797b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 1798353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 1799b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 18001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 180188dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 1802b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 180388dca0464804b8b26ae605f89784c927e8493dddChris Lattner return unsigned(idx-1) < NumElements; 180488dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 1805e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 1806bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1807bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1808bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 181173322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 1812213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 181373322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 181473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 18155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 181672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 18175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 18185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 1819bef0efd11bc4430a3ee437a3213cec5c18af855aChris Lattner virtual void ANCHOR(); // Key function for FunctionType. 1820bef0efd11bc4430a3ee437a3213cec5c18af855aChris Lattner 18215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SubClassData - This field is owned by the subclass, put here to pack 18225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// tightly with the ivars in Type. 18235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool SubClassData : 1; 1824971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 182572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 1826971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// other bitfields. 182772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// The qualifiers are part of FunctionProtoType because... 1828971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// 1829971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// C++ 8.3.5p4: The return type, the parameter type list and the 1830971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// cv-qualifier-seq, [...], are part of the function type. 1831971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// 1832971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned TypeQuals : 3; 18332455636163fdd18581d7fdae816433f886d88213Mike Stump 18342455636163fdd18581d7fdae816433f886d88213Mike Stump /// NoReturn - Indicates if the function type is attribute noreturn. 18352455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NoReturn : 1; 18361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1837425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola /// RegParm - How many arguments to pass inreg. 1838425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola unsigned RegParm : 3; 1839425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 1840ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// CallConv - The calling convention used by the function. 1841f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor unsigned CallConv : 3; 1842ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 18435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 18445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 1845264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1846264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 1847264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // This class is used for passing arround the information needed to 1848264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // construct a call. It is not actually used for storage, just for 1849264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // factoring together common arguments. 1850425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // If you add a field (say Foo), other than the obvious places (both, constructors, 1851425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // compile failures), what you need to update is 1852425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Operetor== 1853425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 1854425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 1855425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 1856425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 1857425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 1858425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 1859425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 1860425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 18613c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 1862425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 1863425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 1864264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 1865264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 1866264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 18673c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 1868425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo(bool noReturn, unsigned regParm, CallingConv cc) : 1869425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola NoReturn(noReturn), RegParm(regParm), CC(cc) {} 1870264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1871264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 1872264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 1873425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo() : NoReturn(false), RegParm(0), CC(CC_Default) {} 1874264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1875264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola bool getNoReturn() const { return NoReturn; } 1876425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola unsigned getRegParm() const { return RegParm; } 1877264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv getCC() const { return CC; } 1878264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1879264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola bool operator==(const ExtInfo &Other) const { 1880264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getNoReturn() == Other.getNoReturn() && 1881425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola getRegParm() == Other.getRegParm() && 1882264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getCC() == Other.getCC(); 1883264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 1884264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola bool operator!=(const ExtInfo &Other) const { 1885264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return !(*this == Other); 1886264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 1887264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1888264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 1889264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 1890264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1891264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 1892425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return ExtInfo(noReturn, getRegParm(), getCC()); 1893425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 1894425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 1895425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 1896425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return ExtInfo(getNoReturn(), RegParm, getCC()); 1897264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 1898264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1899264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 1900425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return ExtInfo(getNoReturn(), getRegParm(), cc); 1901264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 1902264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 1903264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola private: 1904264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // True if we have __attribute__((noreturn)) 1905264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola bool NoReturn; 1906425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // The value passed to __attribute__((regparm(x))) 1907425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola unsigned RegParm; 1908264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // The calling convention as specified via 1909f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor // __attribute__((cdecl|stdcall|fastcall|thiscall)) 1910264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv CC; 1911264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 1912264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 19135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1914971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis FunctionType(TypeClass tc, QualType res, bool SubclassInfo, 19152455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned typeQuals, QualType Canonical, bool Dependent, 1916264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const ExtInfo &Info) 1917898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Type(tc, Canonical, Dependent), 1918264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola SubClassData(SubclassInfo), TypeQuals(typeQuals), 1919264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NoReturn(Info.getNoReturn()), 1920425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola RegParm(Info.getRegParm()), CallConv(Info.getCC()), ResultType(res) {} 19215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool getSubClassData() const { return SubClassData; } 1922971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return TypeQuals; } 19235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 19265291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 1927425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola unsigned getRegParmType() const { return RegParm; } 19282455636163fdd18581d7fdae816433f886d88213Mike Stump bool getNoReturnAttr() const { return NoReturn; } 1929ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallingConv getCallConv() const { return (CallingConv)CallConv; } 1930264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo getExtInfo() const { 1931425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return ExtInfo(NoReturn, RegParm, (CallingConv)CallConv); 1932264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 19335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19345291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 19355291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 19365291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 19376398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 19385291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 19395291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 194004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 194104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 19425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 19435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 19445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 19455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 19475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 194972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 19505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 195172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 19522455636163fdd18581d7fdae816433f886d88213Mike Stump FunctionNoProtoType(QualType Result, QualType Canonical, 1953264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const ExtInfo &Info) 19541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : FunctionType(FunctionNoProto, Result, false, 0, Canonical, 1955264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola /*Dependent=*/false, Info) {} 19565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 195760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 195860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 195960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 196060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 19631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1964bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1965bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1966bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 1968264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 19695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19702455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 1971264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const ExtInfo &Info) { 1972264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ID.AddInteger(Info.getCC()); 1973425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ID.AddInteger(Info.getRegParm()); 1974264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ID.AddInteger(Info.getNoReturn()); 19755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 19765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 19795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 19805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 198172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 19825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 198472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 19855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 1986465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 1987465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 1988465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 198972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 1990898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// hasAnyDependentType - Determine whether there are any dependent 1991898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// types within the arguments passed in. 1992898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyDependentType(const QualType *ArgArray, unsigned numArgs) { 1993898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 1994898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (ArgArray[Idx]->isDependentType()) 19954b4218f48fef71a179c5a8287dae281580faf52fNate Begeman return true; 1996898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1997898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return false; 1998898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1999898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 200072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType(QualType Result, const QualType *ArgArray, unsigned numArgs, 2001465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned typeQuals, bool hasExs, 2002465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExs, const QualType *ExArray, 2003264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola unsigned numExs, QualType Canonical, 2004264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const ExtInfo &Info) 2005898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : FunctionType(FunctionProto, Result, isVariadic, typeQuals, Canonical, 20061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (Result->isDependentType() || 2007264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola hasAnyDependentType(ArgArray, numArgs)), 2008264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info), 2009465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs(numArgs), NumExceptions(numExs), HasExceptionSpec(hasExs), 2010465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl AnyExceptionSpec(hasAnyExs) { 2011942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner // Fill in the trailing argument array. 2012465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType *ArgInfo = reinterpret_cast<QualType*>(this+1); 20135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != numArgs; ++i) 20145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ArgInfo[i] = ArgArray[i]; 2015465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Fill in the exception array. 2016465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType *Ex = ArgInfo + numArgs; 2017465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl for (unsigned i = 0; i != numExs; ++i) 2018465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl Ex[i] = ExArray[i]; 20195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2020465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2022465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumArgs : 20; 2023465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2024465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 2025465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumExceptions : 10; 2026465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2027465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// HasExceptionSpec - Whether this function has an exception spec at all. 2028465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool HasExceptionSpec : 1; 2029465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2030465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// AnyExceptionSpec - Whether this function has a throw(...) spec. 2031465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool AnyExceptionSpec : 1; 2032465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2033942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2034942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2035465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2036465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2037465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2038465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 20404b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 204160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 204260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 204360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 20445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 20465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 20475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2048942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 20495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2050465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2051465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec() const { return HasExceptionSpec; } 2052465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec() const { return AnyExceptionSpec; } 2053465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2054465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2055465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2056465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2057465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 20581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasEmptyExceptionSpec() const { 20591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return hasExceptionSpec() && !hasAnyExceptionSpec() && 2060a12823f6c0ec9e0e644a9d0ee153e973f49c63fcAnders Carlsson getNumExceptions() == 0; 2061d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 2062465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isVariadic() const { return getSubClassData(); } 2064971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 20651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2067942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2068942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2069942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2070942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2071465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2072465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2073465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2074465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2075465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2076465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2077465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 2078465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2079465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2080465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2081bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2082bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2083bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 20855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 20865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 208772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2088465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID); 20905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2091942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 2092465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned TypeQuals, 2093465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec, bool anyExceptionSpec, 20942455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExceptions, exception_iterator Exs, 2095264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const ExtInfo &ExtInfo); 20965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2099ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2100ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2101ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2102ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2103ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2104ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2105ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 210619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 210719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : Type(UnresolvedUsing, QualType(), true), 210819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2109ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2110ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2111ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2112ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2113ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2114ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2115ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2116ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2117ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2118ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2119ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2120ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2121ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2122ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2123ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2124ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2125ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2126ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2127ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2128ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2129ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2130ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2131ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 21325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 21335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *Decl; 2134c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 213519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TypedefType(TypeClass tc, const TypedefDecl *D, QualType can) 213619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : Type(tc, can, can->isDependentType()), 213719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<TypedefDecl*>(D)) { 21385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 21395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 21415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *getDecl() const { return Decl; } 21441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2145a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// LookThroughTypedefs - Return the ultimate type this typedef corresponds to 2146fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor /// potentially looking through *all* consecutive typedefs. This returns the 2147a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// sum of the type qualifiers, so if you have: 2148a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// typedef const int A; 2149a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// typedef volatile A B; 2150a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// looking through the typedefs for B will give you "const volatile A". 2151a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner QualType LookThroughTypedefs() const; 21521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2153bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2154bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2155bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 215672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 21575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 21585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 216072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 216172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2162d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 21631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2164b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2165dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2166d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2167d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2168d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 21691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2170bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2171bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2172bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2173bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2174bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2175bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 217672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 217772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2178d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2179d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2180c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 21811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2182c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2183c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2184c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2185c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 21861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2187b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 2188b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor ASTContext &Context; 21891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2190b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 21911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentTypeOfExprType(ASTContext &Context, Expr *E) 2192b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 21931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2194bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2195bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2196bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2197b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2198b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2199b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 22001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2201b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 2202b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2203b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 22041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2205d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2206d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2207d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 22081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 220972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor : Type(TypeOf, can, T->isDependentType()), TOType(T) { 2210d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2211d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2212d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2213d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2214d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 22151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2216bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2217bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2218bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2219bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2220bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2221bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 222272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2223d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2224d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 22255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2226395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2227395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2228395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 22291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2230563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2231563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2232563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2233563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 22341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22359d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2236563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2237395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2238395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2239395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2240563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2241563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2242bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2243bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2244bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2245bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2246bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2247bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2248395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2249395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2250395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 22511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2252c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2253c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2254c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2255c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2256c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2257c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 22589d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 22599d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor ASTContext &Context; 22601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22619d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 22629d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType(ASTContext &Context, Expr *E); 22631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2264bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2265bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2266bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22679d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 22689d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 22699d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 22701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22719d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 22721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 22739d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 22741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 2276ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 2277ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 2278ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 22792ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 22802ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 228119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 22822ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 228360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 228460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 22851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 2286ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 22871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22880b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 22891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 2290ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 22910b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 22921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 229372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 229472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 22955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 229672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 229772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 22985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23005edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 23015edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 23025edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 230349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 230419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 230519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 230672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 230719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 23082ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 23095edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 23101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23115edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 23125edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 23135edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 23141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 23165edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 23171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 23185edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 23195edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 23205edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // FIXME: RecordType needs to check when it is created that all fields are in 23215edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // the same address space, and return that. 23225edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner unsigned getAddressSpace() const { return 0; } 23231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2324bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2325bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2326bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23272daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 23282daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 23292daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 23302daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 23315edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 23325edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 23335edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 23345edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 23355edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 23365edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 233719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 233819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 23392ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 23405edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 23411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23425edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 23435edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 23445edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 23451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2346bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2347bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2348bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23492daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 23502daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 23512daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 23522daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 23535edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 23545edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 23555edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 2356fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 2357efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Depth : 15; 2358efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Index : 16; 2359efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned ParameterPack : 1; 2360efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name; 236172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2362efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(unsigned D, unsigned I, bool PP, IdentifierInfo *N, 2363efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor QualType Canon) 2364fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true), 2365efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Depth(D), Index(I), ParameterPack(PP), Name(N) { } 236672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 23671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 2368efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true), 2369efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Depth(D), Index(I), ParameterPack(PP), Name(0) { } 237072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2371fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 237272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2373fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 2374efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getDepth() const { return Depth; } 2375efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getIndex() const { return Index; } 2376efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor bool isParameterPack() const { return ParameterPack; } 2377efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Name; } 23781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2379bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2380bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2381bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2382fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2383efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Profile(ID, Depth, Index, ParameterPack, Name); 2384fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2385fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 23861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 23871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 2388efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 2389fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 2390fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 239176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 2392efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor ID.AddPointer(Name); 2393fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2394fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 23951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 239772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 239872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 239972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 2400fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 240149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 240249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 240349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 240449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 240549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 240649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 240749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 240849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 240949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 241049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 241149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 241249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 241349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType()), 241449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 241549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 241649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 241749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 241849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 2419efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Replaced->getName(); } 2420efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor 242149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 242249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 242349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 242449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 242549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 242649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 242749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 242849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 242949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 243049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 243149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 243249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 243349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 243449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 243549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 243649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 243749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 243849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 243949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 244049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 244149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 244249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 244349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 244449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 244549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 244649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 244749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 244849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 244949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 245049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 24517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 24527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 245355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 24547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 24557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 24567532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 24577532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 24587532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 245955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 24601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 246155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 24627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 24637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 24647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 24657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 24661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 246755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 246833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The name of the template being specialized. 24697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 247055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 247140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 247240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 247355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 247455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2475ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 24767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 24777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, QualType Canon); 247855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 247955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 248055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 248155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 248240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 248340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 248440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 24851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 248640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 2487833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 2488833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 2489833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2490d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 2491d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2492df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 2493df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 2494df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 2495d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 2496d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor const PrintingPolicy &Policy); 2497df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 2498833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 2499833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 2500833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 2501833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2502d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 2503d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 2504d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 250531f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 250631f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 250731f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 250871d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 250931f17ecbef57b5679c017c375db330546b7b5145John McCall } 251031f17ecbef57b5679c017c375db330546b7b5145John McCall 251140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 251240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 251340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 251433500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 251540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 25167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 25177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 251855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 251940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 25201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 252140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 252240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 252340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 252440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 252555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 252655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 252755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 252855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 252933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 253055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 253131f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 253231f17ecbef57b5679c017c375db330546b7b5145John McCall return !isDependentType() || isCurrentInstantiation(); 253331f17ecbef57b5679c017c375db330546b7b5145John McCall } 2534bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 2535bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2536ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Ctx) { 253771d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 253855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 253955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 25407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 254131f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 254231f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 2543828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor ASTContext &Context); 254455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 25451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 25461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 254755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 25487532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 254955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 255055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 255131f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 255231f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 255331f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 255431f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 25553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 255631f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 255731f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 25583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 255931f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 256031f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 256131f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 256231f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 256331f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 256431f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 256531f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 256631f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 256731f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 25683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 25693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 25703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 257131f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 257231f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 257331f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 257431f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 257531f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 257631f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 257731f17ecbef57b5679c017c375db330546b7b5145John McCall /// 257831f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 257931f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 258031f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 25813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 25823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 2583c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 2584c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 258543921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 258631f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 258731f17ecbef57b5679c017c375db330546b7b5145John McCall : Type(InjectedClassName, QualType(), true), 258831f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 25893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 25903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 259131f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 25923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 25933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 25943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 259531f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 259631f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 259731f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 25983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 25993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2600ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 26013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 260231f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 260331f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 26043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 26053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 26063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 26073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 26083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 26093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 26103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2611465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 2612465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 2613465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 2614465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 2615465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 2616465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 2617465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 2618465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 2619465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 2620465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 2621465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2622465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 26234a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 26244a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 26254a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 26264a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 26274a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 26284a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 26294a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 2630465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 2631465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 26324a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 2633465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 2634465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 2635465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 2636465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 2637465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 2638465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 26394a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 2640465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2641465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 2642465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 2643465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 2644465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 2645465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 2646465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// Keyword - Encodes an ElaboratedTypeKeyword enumeration constant. 2647465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara unsigned Keyword : 3; 2648465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2649465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 2650465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 2651465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType Canonical, bool dependent) 2652465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : Type(tc, Canonical, dependent), Keyword(Keyword) {} 2653465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2654465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 2655465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara virtual ~TypeWithKeyword(); // pin vtable to Type.cpp 2656465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2657465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 2658465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return static_cast<ElaboratedTypeKeyword>(Keyword); 2659465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2660465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2661465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 2662465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 2663465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 2664465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2665465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 2666465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 2667465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2668465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 2669465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2670465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 2671465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 2672465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 2673465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2674465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 2675465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 2676465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2677465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 2678465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2679465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 2680465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2681465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 2682465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2683465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 2684465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 2685465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2686465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2687465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 2688465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 2689465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2690465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2691465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 2692465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 2693465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 2694e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 2695e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 2696465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 2697465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 2698465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 2699465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 2700465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2701ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2702ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 2703e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2704e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 2705e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 2706e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2707465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 2708465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 2709465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 2710465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NamedType->isDependentType()), 2711465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 2712465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 2713465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 2714465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 2715465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2716e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2717e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 2718e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2719e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 272033500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 2721465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2722ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 2723ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2724e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2725e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 2726e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 2727e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2728bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2729bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 2730bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2731bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2732bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2733bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2734e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2735465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 2736e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2737e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2738465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 2739465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 2740465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 2741ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 2742ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 2743ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 2744e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 27451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 2746465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 2747e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2748465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 2749e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 2750e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 27514a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 27524a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 2753d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 27544a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 27554a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 27564a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 27574a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 27584a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 27594a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 2760465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 2761465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2762d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2763d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 2764d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2765d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 276633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 2767d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 27684a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 27694a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 2770465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, DependentName, CanonType, true), 2771465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 27721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 27734714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 2774d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2775d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2776d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 2777d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2778d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 277933500955d731c73717af52088b7fc0e7a85681e7John McCall virtual ~DependentNameType(); 2780465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2781d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 2782d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2783d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 27841734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 27851734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 27861734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 27871734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 27881734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 27891734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 27901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 279133500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 27921734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 2793d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2794bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2795bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2796bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2797d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2798465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 2799d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2800d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 28014a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 280233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 28034a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 2804d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 280533500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 2806d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2807d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 28081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 28094714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 2810d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 28114714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 2812d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 2813d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 281433500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 281533500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 281633500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 281733500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 281833500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 281933500955d731c73717af52088b7fc0e7a85681e7John McCall 282033500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 282133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 282233500955d731c73717af52088b7fc0e7a85681e7John McCall 282333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 282433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 282533500955d731c73717af52088b7fc0e7a85681e7John McCall 282633500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 282733500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 282833500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 282933500955d731c73717af52088b7fc0e7a85681e7John McCall 283033500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 283133500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 283233500955d731c73717af52088b7fc0e7a85681e7John McCall } 283333500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 283433500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 283533500955d731c73717af52088b7fc0e7a85681e7John McCall } 283633500955d731c73717af52088b7fc0e7a85681e7John McCall 2837ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 283833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 283933500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 284033500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 284133500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 284233500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 284333500955d731c73717af52088b7fc0e7a85681e7John McCall 284433500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 284533500955d731c73717af52088b7fc0e7a85681e7John McCall 284633500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 284733500955d731c73717af52088b7fc0e7a85681e7John McCall virtual ~DependentTemplateSpecializationType(); 284833500955d731c73717af52088b7fc0e7a85681e7John McCall 284933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 285033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 285133500955d731c73717af52088b7fc0e7a85681e7John McCall 285233500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 285333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 285433500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 285533500955d731c73717af52088b7fc0e7a85681e7John McCall } 285633500955d731c73717af52088b7fc0e7a85681e7John McCall 285733500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 285833500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 285933500955d731c73717af52088b7fc0e7a85681e7John McCall 286033500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 286133500955d731c73717af52088b7fc0e7a85681e7John McCall 286233500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 286333500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 286433500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 286533500955d731c73717af52088b7fc0e7a85681e7John McCall 286633500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 286733500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 286833500955d731c73717af52088b7fc0e7a85681e7John McCall 2869ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context) { 287033500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 287133500955d731c73717af52088b7fc0e7a85681e7John McCall } 287233500955d731c73717af52088b7fc0e7a85681e7John McCall 287333500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 287433500955d731c73717af52088b7fc0e7a85681e7John McCall ASTContext &Context, 287533500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 287633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 287733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 287833500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 287933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 288033500955d731c73717af52088b7fc0e7a85681e7John McCall 288133500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 288233500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 288333500955d731c73717af52088b7fc0e7a85681e7John McCall } 288433500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 288533500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 288633500955d731c73717af52088b7fc0e7a85681e7John McCall } 288733500955d731c73717af52088b7fc0e7a85681e7John McCall}; 288833500955d731c73717af52088b7fc0e7a85681e7John McCall 2889c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 2890c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 2891c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 2892c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 2893c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 2894c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 2895c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 2896c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 2897c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 2898c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 2899c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 2900c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 2901c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 2902e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 2903e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 2904e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 2905c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 2906e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 2907e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 2908e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 2909c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 2910c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Pad the bit count up so that NumProtocols is 2-byte aligned 2911c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned : BitsRemainingInType - 16; 2912c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2913c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief The number of protocols stored after the 2914c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// ObjCObjectPointerType node. 2915c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// 2916e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// These protocols are those written directly on the type. If 2917e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocol qualifiers ever become additive, the iterators will 2918e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// get kindof complicated. 2919e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 2920c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// In the canonical object type, these are sorted alphabetically 2921c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// and uniqued. 2922c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols : 16; 2923c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 2924c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 2925c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 2926c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2927c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 2928c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 2929c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 2930c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2931c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 2932c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2933c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 2934c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 2935c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 2936c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2937c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 2938c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 2939c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : Type(ObjCInterface, QualType(), false), 2940c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall NumProtocols(0), 2941c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall BaseType(QualType(this_(), 0)) {} 2942c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 294360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 294460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkageImpl() const; // key function 294560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 29463536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 2947e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 2948e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 2949e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 2950e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 2951e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 2952e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 2953c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 295471842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 2955c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 2956c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 2957c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 2958c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 2959c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 2960c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 2961c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 2962c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 2963c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 2964c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 2965c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 2966c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 2967c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 2968c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 2969c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 2970c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 2971c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 2972c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2973c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 2974c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 2975c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 2976c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2977c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 2978c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2979c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 2980c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 2981c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2982c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 29831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2984c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 2985c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 298671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek unsigned getNumProtocols() const { return NumProtocols; } 298714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 2988c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 298973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 299073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 299173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 299273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 299373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 2994bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2995bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2996bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2997c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 2998c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 2999c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 3000c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3001c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 3002c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 3003c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3004c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 3005c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 3006c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 3007c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 3008c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 3009c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 3010c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3011c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 3012c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 3013c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3014c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 3015c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 3016c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 3017c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 3018c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3019c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3020c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 30211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 3022c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 3023c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 3024c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 3025c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 30261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3027c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 3028c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 3029c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 3030c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3031c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3032c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 3033c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 3034c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 3035c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 3036c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 3037e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 3038e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 3039e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 3040e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 3041e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 3042e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 3043e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 3044e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 3045c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 3046c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 3047c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3048c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 3049c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 3050c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 3051c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 3052c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3053e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 3054deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 3055c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3056c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 3057c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 30580b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 30591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 30601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 30613536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 3062a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 3063c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3064c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 3065c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 3066c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 3067c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 3068c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 3069c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 3070c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 3071c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 3072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 3073c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 3074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 30753536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 30763536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 3077c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 3078c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 3079c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 3080c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 3081c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 3082c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3083c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3084e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 3085e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 3086e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 3087e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 3088e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 3089e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 309014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 3091e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 3092e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 309314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 3094e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 30951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3096c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 3097c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : Type(ObjCObjectPointer, Canonical, false), 3098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 309914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 31001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 310160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 310260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor virtual Linkage getLinkageImpl() const; 310360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 310414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 3105e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 3106e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 310714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 310814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3109e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 3110e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 3111e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3112e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 3113e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 3114e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 3115e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 3116e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 3117e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 3118e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 3119e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 3120e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 3121e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 3122e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 3123e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 3124e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 3125e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 3126e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 3127e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 3128e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 3129e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 3130e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 3131c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 3132c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return PointeeType->getAs<ObjCObjectType>(); 3133c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3134c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3135e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 3136e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 3137e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 3138e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3139e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 31401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 3141c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 314214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3143e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3144e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 3145e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 3146e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3147e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 314814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 3149e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 315014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3151e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3152e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 3153e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 315414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 3155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 315614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3157e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3158e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 3159e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 316014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 3161c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 3162de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 31638d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 3164e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 3165e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 31661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 3167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 3168de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 3169e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3170e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 3171e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 3172470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 3173c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 317414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3175e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3176e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 3177e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 3178e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 3179c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 318014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 318171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 3182c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 318371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3184c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 3185c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 318671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 318814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3189e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 3190e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 3191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 3192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 3193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 319414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3195e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 3196e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 319773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 3198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 319973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 320073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3201bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3202bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3203bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3204e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3205e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 3206e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 3207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 3208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 3209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 32101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 32111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 321214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 321314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 321414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 32151bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 32160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 32170953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 32180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext *Context; 32190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32200953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 32210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) 32220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Qualifiers(Qs), Context(0) {} 32230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector(ASTContext &Context, Qualifiers Qs = Qualifiers()) 32240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Qualifiers(Qs), Context(&Context) {} 32250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setContext(ASTContext &C) { Context = &C; } 32270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 32290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// unqualified type. 32300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *strip(QualType QT) { 3231a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor addFastQualifiers(QT.getLocalFastQualifiers()); 3232a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (QT.hasLocalNonFastQualifiers()) { 32330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = QT.getExtQualsUnsafe(); 32340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Context = &EQ->getContext(); 32350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(EQ->getQualifiers()); 32360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getBaseType(); 32370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 32380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QT.getTypePtrUnsafe(); 32390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 32400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 32420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType apply(QualType QT) const; 32430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 32450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType apply(const Type* T) const; 32460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 32480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3250611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 32515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3252467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 3253467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall const Type *T = getTypePtr(); 3254a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) 3255467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified() && !isa<ArrayType>(T); 3256467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified(); 3257467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 3258467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 325954e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 3260a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 326154e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 326254e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->isCanonicalUnqualified() && 326354e14c4db764c0636160d26c5bbf491637c83a76John McCall !isa<FunctionType>(T) && !isa<ArrayType>(T); 326454e14c4db764c0636160d26c5bbf491637c83a76John McCall} 326554e14c4db764c0636160d26c5bbf491637c83a76John McCall 3266fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 3267fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 3268fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalConstQualified(); 3269fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3270fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3271fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 3272fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 3273fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalRestrictQualified(); 3274fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3275fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3276fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3277fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 3278fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 3279fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalVolatileQualified(); 3280fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3281fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3282fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 3283fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 3284fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers(); 3285fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3286fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3287fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline Qualifiers QualType::getQualifiers() const { 3288fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers Quals = getLocalQualifiers(); 3289fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Quals.addQualifiers( 3290fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalQualifiers()); 3291fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return Quals; 3292fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3293fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3294fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline unsigned QualType::getCVRQualifiers() const { 3295fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getLocalCVRQualifiers() | 3296fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalCVRQualifiers(); 3297fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3298e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 3299e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// getCVRQualifiersThroughArrayTypes - If there are CVR qualifiers for this 3300e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type, returns them. Otherwise, if this is an array type, recurses 3301e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// on the element type until some qualifiers have been found or a non-array 3302e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type reached. 3303e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruthinline unsigned QualType::getCVRQualifiersThroughArrayTypes() const { 3304e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (unsigned Quals = getCVRQualifiers()) 3305e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return Quals; 3306e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3307e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3308e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return AT->getElementType().getCVRQualifiersThroughArrayTypes(); 3309e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return 0; 3310e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth} 3311e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 33120953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeConst() { 33130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Qualifiers::Const); 33140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 33150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33160953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeRestrict() { 33170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Qualifiers::Restrict); 33180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 33190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33200953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeVolatile() { 33210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc; 33220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qc.strip(*this); 33230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Qc.hasVolatile()) { 33240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qc.removeVolatile(); 33250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall *this = Qc.apply(Ty); 33260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 33280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33290953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeCVRQualifiers(unsigned Mask) { 33306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 33310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 33330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Mask & ~Qualifiers::FastMask)) { 33340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Mask); 33350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return; 33360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc; 33390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qc.strip(*this); 33400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qc.removeCVRQualifiers(Mask); 33410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall *this = Qc.apply(Ty); 3342ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3343ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 3344ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 3345ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 3346a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 33470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 33480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 33490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 33500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33524243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3353a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 33540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 33550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 33560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 33570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33594243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3360c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT->getElementType().getAddressSpace(); 33614243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const RecordType *RT = dyn_cast<RecordType>(CT)) 33628e7dafec4b70303dfaff95151cd06bfc5532720cNate Begeman return RT->getAddressSpace(); 3363ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb return 0; 3364ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3365611c1fff195d32df97706e0920c92468b2509900Chris Lattner 3366d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 33670953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 3368a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 33690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 33700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 33710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 33720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3374d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3375a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 33760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 33770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 33780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 33790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 33800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3381d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3382d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return AT->getElementType().getObjCGCAttr(); 3383183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *PT = CT->getAs<ObjCObjectPointerType>()) 33841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 3385ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian // We most look at all pointer types, not just pointer to interface types. 3386ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian if (const PointerType *PT = CT->getAs<PointerType>()) 33871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 33880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 3389d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 33902455636163fdd18581d7fdae816433f886d88213Mike Stump 3391264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 3392264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 3393183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 3394264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 3395264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 3396264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 33972455636163fdd18581d7fdae816433f886d88213Mike Stump 3398264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 33992455636163fdd18581d7fdae816433f886d88213Mike Stump} 34001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3401264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 3402264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 3403ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 3404ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 3405b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// \brief Determine whether this set of qualifiers is a superset of the given 3406b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// set of qualifiers. 3407b87786f045d798b070980c108c922e1475d27b15Douglas Gregorinline bool Qualifiers::isSupersetOf(Qualifiers Other) const { 3408b87786f045d798b070980c108c922e1475d27b15Douglas Gregor return Mask != Other.Mask && (Mask | Other.Mask) == Mask; 3409b87786f045d798b070980c108c922e1475d27b15Douglas Gregor} 3410b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 3411e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 3412e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 3413e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 3414e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 3415e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 3416e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isMoreQualifiedThan(QualType Other) const { 34170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3418e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3419e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3420ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3421ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3422e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return MyQuals != OtherQuals && (MyQuals | OtherQuals) == MyQuals; 3423e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3424e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3425e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 3426e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 3427e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 3428e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 3429e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isAtLeastAsQualifiedAs(QualType Other) const { 34300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3431e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3432e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3433ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3434ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3435e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return (MyQuals | OtherQuals) == MyQuals; 3436e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3437e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3438e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 3439e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 3440e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 3441e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 3442e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 3443e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 3444e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 3445e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 3446e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 3447e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 34486217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 3449e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 3450e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 3451e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 3452e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3453e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3454611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 3455a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 3456611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3457611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 3458a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 3459611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 346058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 346158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 346258f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 34635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 3464a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 34655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 3466bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 3467a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 3468bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 34697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 3470a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 34717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 34727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 3473a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 34747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 3475498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 34766217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* T = getAs<PointerType>()) 3477498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 3478498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 3479498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 3480498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 3481f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 3482a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 3483f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3484f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 34856217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 3486f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getPointeeType()->isFunctionType(); 3487f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 3488f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 3489f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3490db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 3491db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 3492db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return !T->getPointeeType()->isFunctionType(); 3493db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 3494db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 3495db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 3496611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 3497a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 3498611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3499c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 3500a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 3501c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3502c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 3503a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 3504c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3505c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 3506a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 3507c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3508898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 3509a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 3510898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 3511611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 3512a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 3513611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3514f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 3515a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 3516f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 3517611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 3518a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 3519611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3520213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 3521a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 3522611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3523d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 3524a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 3525d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 3526c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 3527c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 3528368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 3529569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 3530569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 3531569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 3532569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 3533569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 3534a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 3535183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3536d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 3537d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 3538d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 3539470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 3540183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3541470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 3542470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 3543470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 354414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 3545183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 354614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 354714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 354814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 354914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 3550183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 355114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 355214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 355314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 355413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 35558d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 35568d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 355713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 355813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 3559de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 356013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 3561de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 356272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 3563a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 356472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 356572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 35669b065ddabf572772991a4aadad5bf4921fac5069Tom Careinline bool Type::isBuiltinType() const { 35679b065ddabf572772991a4aadad5bf4921fac5069Tom Care return getAs<BuiltinType>(); 35689b065ddabf572772991a4aadad5bf4921fac5069Tom Care} 35699b065ddabf572772991a4aadad5bf4921fac5069Tom Care 3570e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 3571183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 3572e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 3573e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 3574e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 3575e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 3576e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 3577063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 3578063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 3579063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 3580063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 3581904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 3582904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 35838958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 35848958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 3585c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 35868958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 35878958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 3588820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 3589c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 3590820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 3591820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 359222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 359322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 359422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 359522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 359622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 359722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 359822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 359922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 36001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 360147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 360247c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 360347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 360447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 360547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 360647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 360747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 360847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 360947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 361089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 361189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 361289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 361389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 361489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 361589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 361689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 361789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 361889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 361989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 36201a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 36211a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 362289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 362389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 362489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 36251a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 36261a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 36271a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 36281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36291a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 36300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 36311a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 36321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 36341a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 3635bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 36361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 363722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 36385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 36395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3641