Type.h revision 19c8576b7328f4dc2d07682f5da552875c1912ef
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" 20e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/Support/Casting.h" 2350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 24fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 255cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 265cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 271734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::isa; 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast_or_null; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast_or_null; 346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignmentInBits = 3, 376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 39aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 40aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 41aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 444e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 454e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 46daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 47bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 48bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 49bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 50bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 55bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 65aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 66aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 67aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 684e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 694e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TypedefDecl; 7355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 75aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 7949aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8121d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 82a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 83a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 84a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 85ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 87b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 8992866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 91833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 92d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 93e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor class QualifiedNameType; 943b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 9572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 9672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 9772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 9872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 99f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1050953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 115d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 116d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 117d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 118d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 119efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 1200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 1260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastWidth = 2, 1270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 2370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 2420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 2430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 2440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 2450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 2460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 2470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 2480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 2510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 2520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 2530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 2550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 2560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 2570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 2580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 2590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 2600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 2610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 2620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 2630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 2640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 2650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 2660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 2750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 2760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 2930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 2950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 2960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 2990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bits: |0 1 2|3 .. 4|5 .. 31| 3010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // |C R V|GCAttr|AddrSpace| 3020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 3030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceMask = ~(CVRMask | GCAttrMask); 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceShift = 5; 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// ExtQuals - We can encode up to three bits in the low bits of a 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// type pointer, but there are many more type qualifiers that we want 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// to be able to apply to an arbitrary type. Therefore we have this 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// struct, intended to be heap-allocated and used by QualType to 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// store qualifiers. 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// The current design tags the 'const' and 'restrict' qualifiers in 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// two low bits on the QualType pointer; a third bit records whether 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// the pointer is an ExtQuals node. 'const' was chosen because it is 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// orders of magnitude more common than the other two qualifiers, in 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// both library and user code. It's relatively rare to see 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'restrict' in user code, but many standard C headers are saturated 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// with 'restrict' declarations, so that representing them efficiently 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// is a critical goal of this representation. 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass ExtQuals : public llvm::FoldingSetNode { 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // NOTE: changing the fast qualifiers should be straightforward as 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // long as you don't make 'const' non-fast. 3280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 1. Qualifiers: 3290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 3300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers must occupy the low-order bits. 3310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update Qualifiers::FastWidth and FastMask. 3320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 2. QualType: 3330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 3340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update remove{Volatile,Restrict}, defined near the end of 3350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this header. 3360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 3. ASTContext: 3370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update get{Volatile,Restrict}Type. 3380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Context - the context to which this set belongs. We save this 3400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// here so that QualifierCollector can use it to reapply extended 3410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers to an arbitrary type without requiring a context to 3420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// be pushed through every single API dealing with qualifiers. 3430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext& Context; 3440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// BaseType - the underlying type that this qualifies 3460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType; 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Quals - the immutable set of qualifiers applied by this 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// node; always contains extended qualifiers. 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3520953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals(ASTContext& Context, const Type *Base, Qualifiers Quals) 3540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Context(Context), BaseType(Base), Quals(Quals) 3550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall { 3560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(Quals.hasNonFastQualifiers() 3570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with no fast qualifiers"); 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with fast qualifiers"); 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getQualifiers() const { return Quals; } 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Quals.hasVolatile(); } 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getBaseType() const { return BaseType; } 3731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext &getContext() const { return Context; } 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getBaseType(), Quals); 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType, 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals) { 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddPointer(BaseType); 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.Profile(ID); 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 389ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 390ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 391ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 392ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 393ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 394ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86FastCall // __attribute__((fastcall)) 395ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 396ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 3970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 3990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4100953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 423fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedTypeSlow() const; 424fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4275cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4295cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 434a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 435a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type *getTypePtr() const { 441a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 4420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getExtQualsUnsafe()->getBaseType()); 4430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getTypePtrUnsafe()); 4440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4465cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static QualType getFromOpaquePtr(void *Ptr) { 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 4495cf243a883872441d73ca49cea7e20de5802629bChris Lattner T.Value.setFromOpaqueValue(Ptr); 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type &operator*() const { 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *operator->() const { 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 461467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 46254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 463467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 4660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 469a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 470a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 471a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 472a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 473a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 4740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 475a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 476a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 477fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 478a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 479a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 480a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 481a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 482a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 483a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 484a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 485a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 486a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 487fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 488a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 489a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 490a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 491a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 492a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 493a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (hasLocalNonFastQualifiers() && getExtQualsUnsafe()->hasVolatile()); 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 496a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 497fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 498a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 499a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 500a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 501a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 502a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 503a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 506a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 507fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 508a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 509a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 510a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 511a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 512a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 513a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 516a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 517a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 518a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers getLocalQualifiers() const { 5200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 521a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 5220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals = getExtQualsUnsafe()->getQualifiers(); 523a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Quals.addFastQualifiers(getLocalFastQualifiers()); 5240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 5250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 527a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 528fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 529a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 530a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 531a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 532a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 533a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 534a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned CVR = getLocalFastQualifiers(); 535a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (isLocalVolatileQualified()) 536a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CVR |= Qualifiers::Volatile; 5370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CVR; 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 539b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 541a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 542fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 543e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 544e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 545e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// applied to this type, looking through any number of unqualified array 546e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// types to their element types' qualifiers. 547e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned getCVRQualifiersThroughArrayTypes() const; 548e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 549bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 550bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 551bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 5521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 5540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 5550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 5570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 5580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 5590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 5610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 5620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 5650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 5660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 5670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 5680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 570a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // FIXME: The remove* functions are semantically broken, because they might 571a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // not remove a qualifier stored on a typedef. Most of the with* functions 572a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // have the same problem. 5730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst(); 5740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile(); 5750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict(); 5760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned Mask); 5770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { Value.setInt(0); } 5790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned Mask) { 5800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 5810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 5820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 5850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 5860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 5870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 5880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 5890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 5900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5911c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 5920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 5930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 5940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withExactFastQualifiers(unsigned TQs) const { 5950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withoutFastQualifiers().withFastQualifiers(TQs); 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 5990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withoutFastQualifiers() const { 6000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.removeFastQualifiers(); 6020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 603c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 604971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 605a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 606a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 607a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 608a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 610a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return the unqualified form of the given type, which might be 611a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// desugared to eliminate qualifiers introduced via typedefs. 612fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedType() const { 613fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType T = getLocalUnqualifiedType(); 614fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor if (!T.hasQualifiers()) 615fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return T; 616fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 617fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getUnqualifiedTypeSlow(); 618a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 619a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 620e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 621e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 622e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 6231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6242fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 6252fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 6262fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 6272fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 6282fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 6292fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 6300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 6310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 632bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType getDesugaredType() const { 633bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::getDesugaredType(*this); 634bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 63598cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 6365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 6375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 63850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 63950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 64150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 64250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 644d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString() const; 645d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 646d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 648d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 651e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 652e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy) const; 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 654c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 655c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 6561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6573f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 6583f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 6593f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 661ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 662ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 6631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 664d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 6650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 666f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 667f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 668f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 6690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 670f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 671f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 672f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 673f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 6740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 675f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 6762455636163fdd18581d7fdae816433f886d88213Mike Stump 677ae92140b542d5c1c096e39e74e59526184819b30Mike Stump /// getNoReturnAttr - Returns true if the type has the noreturn attribute, 678ae92140b542d5c1c096e39e74e59526184819b30Mike Stump /// false otherwise. 6792455636163fdd18581d7fdae816433f886d88213Mike Stump bool getNoReturnAttr() const; 680bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 681ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// getCallConv - Returns the calling convention of the type if the type 682ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// is a function type, CC_Default otherwise. 683ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallingConv getCallConv() const; 684ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 685bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 686bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 687bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 688bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 689bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 690bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static QualType getDesugaredType(QualType T); 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 6985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef ::clang::Type* SimpleType; 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Val.getTypePtr(); 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 7061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7074e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 7084e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 709daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 7104e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 7114e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 7124e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 7134e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7144e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 7154e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 7164e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 7180eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 7194e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 7201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72173af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 73672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 73972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Type { 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 75372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 75427935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 75572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 75672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 75772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 7591bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CanonicalType; 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 76427935ee59c30b0d8b610ab676aab8e65350af932John McCall unsigned TC : 8; 76527935ee59c30b0d8b610ab676aab8e65350af932John McCall 76627935ee59c30b0d8b610ab676aab8e65350af932John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Note that this should stay at the end of the ivars for Type so that 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// subclasses can pack their bitfields into the same word. 76927935ee59c30b0d8b610ab676aab8e65350af932John McCall bool Dependent : 1; 770898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 77116ff705a594697f98b9473f9b7e7d378f331fe4bChris Lattner Type(const Type&); // DO NOT IMPLEMENT. 77216ff705a594697f98b9473f9b7e7d378f331fe4bChris Lattner void operator=(const Type&); // DO NOT IMPLEMENT. 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 774124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 775124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 776898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Type(TypeClass tc, QualType Canonical, bool dependent) 777f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner : CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical), 77827935ee59c30b0d8b610ab676aab8e65350af932John McCall TC(tc), Dependent(dependent) {} 779898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor virtual ~Type() {} 7804b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek virtual void Destroy(ASTContext& C); 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 7821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7838b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 784a8ae51f79d35b7c1822ba4a086176b4a8c862862Hartmut Kaiser TypeClass getTypeClass() const { return static_cast<TypeClass>(TC); } 7851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 786467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 787467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return CanonicalType.getTypePtr() == this; 788467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 793bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// \brief Determines whether the type describes an object in memory. 794bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// 795bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// Note that this definition of object type corresponds to the C++ 796bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// definition of object type, which includes incomplete types, as 797bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// opposed to the C definition (which does not include incomplete 798bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor /// types). 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isObjectType() const; 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 806d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 807d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 808d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 809d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 810d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 811d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 81264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 81364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 81464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl bool isPODType() const; 81564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 816ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 817ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 818ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 819ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 820d7444aac1af1c2c1d5e5b7467ecf6006ee2d8abeSteve Naroff /// isVariablyModifiedType (C99 6.7.5.2p2) - Return true for variable array 821d7444aac1af1c2c1d5e5b7467ecf6006ee2d8abeSteve Naroff /// types that have a non-constant expression. This does not include "[]". 822d7444aac1af1c2c1d5e5b7467ecf6006ee2d8abeSteve Naroff bool isVariablyModifiedType() const; 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 825ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 826e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 827e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 828e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 8291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 83096d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 83196d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 83313b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 83413b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 83513b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 83677a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 83720093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 83833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian bool isIntegralType() const; 83920093b4bf698f292c664676987541d5103b65b15Douglas Gregor 8405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 84202f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 84302f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 845f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 849c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 850c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 851c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 852d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 8531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 854c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 855ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 856c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 857183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 858183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 859befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 86058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 8615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 8627154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 863a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 8647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 8657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 866bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 867f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 868f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 869c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 870c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 871c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 872c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 873898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 874c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 8761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 8774cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 878368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 879368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 880213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 881d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff bool isObjCObjectPointerType() const; // Pointer to *any* ObjC object. 88214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 88314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 884368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCInterfaceType() const; // NSString or NSString<foo> 885368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 886368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 887470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 88814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 88914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 89013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 891de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 89272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 8936e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 894898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 895898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 8961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 897898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 898898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentType() const { return Dependent; } 899063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 90072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 9018958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 9028958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 9038958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 9046e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 9058958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 9068958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 907820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 908820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 910820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 911c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 912f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 913f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 914769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 915898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 916c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 9174cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 91814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 91914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 92014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 92114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 922c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff const ObjCInterfaceType *getAsObjCQualifiedInterfaceType() const; 923a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9251a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // Member-template getAs<specific type>'. This scheme will eventually 9261a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // replace the specific getAsXXXX methods above. 927183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // 928183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // There are some specializations of this member template listed 929183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // immediately following this class. 9301a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9322b1cc8be4dda4cd122485be0168b3c43d7dff15fChris Lattner /// getAsPointerToObjCInterfaceType - If this is a pointer to an ObjC 9332b1cc8be4dda4cd122485be0168b3c43d7dff15fChris Lattner /// interface, return the interface type, otherwise return null. 9342b1cc8be4dda4cd122485be0168b3c43d7dff15fChris Lattner const ObjCInterfaceType *getAsPointerToObjCInterfaceType() const; 9352b1cc8be4dda4cd122485be0168b3c43d7dff15fChris Lattner 936c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 937c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 938c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 939c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 9401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 941f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 942f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 94314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 9441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 945bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 946bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 947bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 948bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 9491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 9515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 9525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 954d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 955d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 956d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// integer element type. 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 960d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 961d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 962d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// element type. 9635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 964d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 9669bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 9679bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 9683c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 969c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 97022b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 97122b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 97222b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 97322b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 974cd01f17358dc8ef19338c0e2321138dd0a6160d9Argyrios Kyrtzidis const char *getTypeClassName() const; 975cd01f17358dc8ef19338c0e2321138dd0a6160d9Argyrios Kyrtzidis 9760b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 9770b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 9780b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 9795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getCanonicalTypeInternal() const { return CanonicalType; } 980c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 9815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 984183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 985183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 986183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 987183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 988183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 989183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 990183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 991183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 992183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 9930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 994183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 995183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 996183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 997183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 9985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 9995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 10041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 1008f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1009f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 10142df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 10151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 10175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 10182ff9b4c7c8fed9233a0b8de2e9507368c451aab6Argyrios Kyrtzidis WChar, // This is 'wchar_t' for C++. 10195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 10232df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 10241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10258e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 10268e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 10276e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 10286e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 1029898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Overload, // This represents the type of an overloaded function declaration. 1030e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson Dependent, // This represents the type of a type-dependent expression. 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1032de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff UndeducedAuto, // In C++0x, this represents the type of an auto variable 1033e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // that has not been deduced yet. 1034de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCId, // This represents the ObjC 'id' type. 103513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCClass, // This represents the ObjC 'Class' type. 103613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSel // This represents the ObjC 'SEL' type. 10375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 10385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Kind TypeKind; 10405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 10421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent)), 1043898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor TypeKind(K) {} 10441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Kind getKind() const { return TypeKind; } 1046e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 10471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1048bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1049bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1050bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1051680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 1052680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Bool && TypeKind <= Int128; 1053680523a91dd3351389667c8de17121ba7ae82673John McCall } 1054680523a91dd3351389667c8de17121ba7ae82673John McCall 1055680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 1056680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Char_S && TypeKind <= Int128; 1057680523a91dd3351389667c8de17121ba7ae82673John McCall } 1058680523a91dd3351389667c8de17121ba7ae82673John McCall 1059680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 1060680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Bool && TypeKind <= UInt128; 1061680523a91dd3351389667c8de17121ba7ae82673John McCall } 1062680523a91dd3351389667c8de17121ba7ae82673John McCall 1063680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 1064680523a91dd3351389667c8de17121ba7ae82673John McCall return TypeKind >= Float && TypeKind <= LongDouble; 1065680523a91dd3351389667c8de17121ba7ae82673John McCall } 1066680523a91dd3351389667c8de17121ba7ae82673John McCall 10670b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 10680b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 10775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Type(Complex, CanonicalPtr, Element->isDependentType()), 1080898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1086bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1087bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1088bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 10945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10960b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 10970b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 110268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1103bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 110468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1105bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 110868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar Type(Pointer, CanonicalPtr, Pointee->isDependentType()), PointeeType(Pointee) { 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 111368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 111468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1115bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1116bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1117bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11250b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 11260b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 11325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 11335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 11345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 11355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 11365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 11375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Type(BlockPointer, CanonicalCls, Pointee->isDependentType()), 1139898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 11405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 11415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 11425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 11455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 11465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1147bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1148bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1149bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 11505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 11515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 11525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 11535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 11545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 11555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11570b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 11580b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 11591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 11615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 11625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 11635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 11645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 11657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 11665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 116768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 116868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 116968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 117054e14c4db764c0636160d26c5bbf491637c83a76John McCall /// True if the type was originally spelled with an lvalue sigil. 117154e14c4db764c0636160d26c5bbf491637c83a76John McCall /// This is never true of rvalue references but can also be false 117254e14c4db764c0636160d26c5bbf491637c83a76John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 117354e14c4db764c0636160d26c5bbf491637c83a76John McCall /// as follows: 117454e14c4db764c0636160d26c5bbf491637c83a76John McCall /// 117554e14c4db764c0636160d26c5bbf491637c83a76John McCall /// typedef int &ref; // lvalue, spelled lvalue 117654e14c4db764c0636160d26c5bbf491637c83a76John McCall /// typedef int &&rvref; // rvalue 117754e14c4db764c0636160d26c5bbf491637c83a76John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 117854e14c4db764c0636160d26c5bbf491637c83a76John McCall /// ref &&a; // lvalue, inner ref 117954e14c4db764c0636160d26c5bbf491637c83a76John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 118054e14c4db764c0636160d26c5bbf491637c83a76John McCall /// rvref &&a; // rvalue, inner ref 118154e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue; 118254e14c4db764c0636160d26c5bbf491637c83a76John McCall 118354e14c4db764c0636160d26c5bbf491637c83a76John McCall /// True if the inner type is a reference type. This only happens 118454e14c4db764c0636160d26c5bbf491637c83a76John McCall /// in non-canonical forms. 118554e14c4db764c0636160d26c5bbf491637c83a76John McCall bool InnerRef; 118654e14c4db764c0636160d26c5bbf491637c83a76John McCall 11877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 118854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 118954e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 11907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Type(tc, CanonicalRef, Referencee->isDependentType()), 119154e14c4db764c0636160d26c5bbf491637c83a76John McCall PointeeType(Referencee), SpelledAsLValue(SpelledAsLValue), 119254e14c4db764c0636160d26c5bbf491637c83a76John McCall InnerRef(Referencee->isReferenceType()) { 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 119554e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isSpelledAsLValue() const { return SpelledAsLValue; } 119673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor bool isInnerRef() const { return InnerRef; } 119773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 119854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 119954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 120054e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 120154e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 120254e14c4db764c0636160d26c5bbf491637c83a76John McCall while (T->InnerRef) 120354e14c4db764c0636160d26c5bbf491637c83a76John McCall T = T->PointeeType->getAs<ReferenceType>(); 120454e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 120554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 120668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 120854e14c4db764c0636160d26c5bbf491637c83a76John McCall Profile(ID, PointeeType, SpelledAsLValue); 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 121054e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 121154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 121254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 121454e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12170b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 12180b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 12197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 12207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 12217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 12227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 12247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 12257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 12277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 12287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 122954e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 123054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 123154e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 123254e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 12337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 12347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1235bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1236bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1237bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 12387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 12397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 12407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 12427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 12437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 12457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 12467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 12477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 124854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 12497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 12517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1252bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1253bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1254bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 12557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 12567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 12577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1259f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1260f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1261f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1262f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1263f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1264f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1265f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1266f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1267f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1268f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1269f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1270f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 1271f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Cls->isDependentType() || Pointee->isDependentType()), 1272f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1273f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1274f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 1275f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1276f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1277f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1278f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1279f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1280f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1281bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1282bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1283bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1284f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1285f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1286f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1287f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 1288f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 1289f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 1290f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 1291f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1292f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 12930b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 12940b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1295f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 1296f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 1297f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1298f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 13025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13032e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 13045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 1306898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 1307898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 1308898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 13095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 13105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 13115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 13125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1313fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 1314fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 13151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1316ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek // NOTE: VC++ treats enums as signed, avoid using the ArraySizeModifier enum 1317c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff /// NOTE: These fields are packed into the bitfields space in the Type class. 1318ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek unsigned SizeModifier : 2; 13191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1320c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff /// IndexTypeQuals - Capture qualifiers in declarations like: 1321c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff /// 'int X[static restrict 4]'. For function parameters only. 1322c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned IndexTypeQuals : 3; 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1324fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 1325898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 1326898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 1327898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 1328898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 1329898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 1330c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 1331c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 1332898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray), 1333898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(et), SizeModifier(sm), IndexTypeQuals(tq) {} 1334898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1335fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1336fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1337fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 1338ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 1339ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek return ArraySizeModifier(SizeModifier); 1340ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 13410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 13420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::fromCVRMask(IndexTypeQuals); 13430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 13440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getIndexTypeCVRQualifiers() const { return IndexTypeQuals; } 13451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13460b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 13470b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1348fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 1349fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 1350c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 1351898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 1352898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 1353fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1354fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 1355fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1356fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 13577e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 13587e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 13597e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 13607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 13612e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 1362fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13640be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 1365c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 13667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq), 13677e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 13687e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 13697e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 13707e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 13717e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(tc, et, can, sm, tq), Size(size) {} 1372fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1373fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1374c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 1375bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1376bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1377bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1378fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 13791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 13800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 1381fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1382fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 13830be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 13840be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 1385fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 1386fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 13870be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 13880be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1389fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 13907e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 139146a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 1392fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1393fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 1394fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1395fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 1396da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 1397da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 1398da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 1399c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 14007e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1401c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 14027e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 1403c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman : ArrayType(IncompleteArray, et, can, sm, tq) {} 1404c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 1405c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 1406bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1407bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1408bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 1411c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1412c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1414c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 14151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1416c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 14170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 14180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 1419c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 14201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14210be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 14220be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 1423c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 14240be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 14250be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1426c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1427c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 1428c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1429da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 1430da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 1431da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 1432da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1433da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 1434da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 1435da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 1436da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 1437da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1438da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 1439da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 1440da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 1441da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 1442da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 1443da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 14442e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 14451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 14461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 1447b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 14487e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 14497e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 14507e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1451c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 14527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 14537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 14547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq), 14557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 14565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 14574b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek virtual void Destroy(ASTContext& C); 14584b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 14595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 14601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1461b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 1462b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 1463b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 1464b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 14657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 14667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 14677e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 14681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1469bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1470bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1471bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 14731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 14745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1475fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 14761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147792866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 14781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14792bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 1480bc5e150b6d94cf131f7d01bc715571b741c5b408Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 14812bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 14825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1484898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 1485898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 1486cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1487cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 14881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 1489898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 1490898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 1491898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 1492cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 1493cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1494898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 1495898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 1496898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 1497898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 149804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASTContext &Context; 14991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1500cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 1501898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 1502cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 1503cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 1504cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 1505898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 1506cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 15077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 15087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 15091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedArrayType(ASTContext &Context, QualType et, QualType can, 151104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 15127e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 15137e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(DependentSizedArray, et, can, sm, tq), 151404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Context(Context), SizeExpr((Stmt*) e), Brackets(brackets) {} 1515898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 1516898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor virtual void Destroy(ASTContext& C); 1517898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1518898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 15191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1520898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 1521898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 1522898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 1523898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 15247e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 15257e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 15267e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 15271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1528bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1529bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1530bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 15321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 1533898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1534898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 15351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1536898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 15371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1539898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 15401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 15410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 1542898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 15431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 15451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 154604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 1547898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 1548898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1549f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 15509cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 15519cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 15529cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 15539cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 15549cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 15559cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 15569cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 15572ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 15582ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor ASTContext &Context; 15599cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 15609cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 15619cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 15629cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 15631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType(ASTContext &Context, QualType ElementType, 15652ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc) 15661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type (DependentSizedExtVector, can, true), 15671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context(Context), SizeExpr(SizeExpr), ElementType(ElementType), 15682ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor loc(loc) {} 15699cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 15709cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor virtual void Destroy(ASTContext& C); 15719cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 15729cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 15732ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 15749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 15759cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 15769cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 1577bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1578bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1579bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 15811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 15829cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 15831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 15842ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 15852ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 15862ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 15872ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15892ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 15902ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 15919cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 15921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 159473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 15951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 159682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 159782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 159873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 160073322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 16031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumElements - The number of elements in the vector. 16055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumElements; 16061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 160782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// AltiVec - True if this is for an Altivec vector. 160882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool AltiVec; 160982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson 161082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson /// Pixel - True if this is for an Altivec vector pixel. 161182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool Pixel; 161282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson 161382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 161482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool isAltiVec, bool isPixel) : 16151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Type(Vector, canonType, vecType->isDependentType()), 161682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson ElementType(vecType), NumElements(nElements), 161782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson AltiVec(isAltiVec), Pixel(isPixel) {} 16181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 161982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson QualType canonType, bool isAltiVec, bool isPixel) 16201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type(tc, canonType, vecType->isDependentType()), ElementType(vecType), 162182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson NumElements(nElements), AltiVec(isAltiVec), Pixel(isPixel) {} 16225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 16235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 16241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 16261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumElements() const { return NumElements; } 16275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1628bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1629bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1630bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 163182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool isAltiVec() const { return AltiVec; } 163282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson 163382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool isPixel() const { return Pixel; } 163482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson 16355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 163682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson Profile(ID, getElementType(), getNumElements(), getTypeClass(), 163782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson AltiVec, Pixel); 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 164082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 164182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson bool isAltiVec, bool isPixel) { 16425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 16435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 164473322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 164582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson ID.AddBoolean(isAltiVec); 164682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson ID.AddBoolean(isPixel); 164773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 16480b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 16490b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 16500b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 16511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 16521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 16535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 16555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1657213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 1658213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 1659213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 1660fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 1661fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 1662213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 1663213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 166482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(ExtVector, vecType, nElements, canonType, false, false) {} 166573322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 166673322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 166788dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 166888dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 166988dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 167088dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 167188dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 167288dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 167388dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 167488dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 1675e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 1676353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 167788dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 1678353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 1679353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 1680353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 1681353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 1682353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 1683353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 1684353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 1685353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 1686353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 1687353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 1688353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 1689131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 1690353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 1691131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 1692353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 1693131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 1694353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 1695131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 1696353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 1697131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 1698353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 1699131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 1700353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 170188dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 1702e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 17031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1704b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 1705b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 1706353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 1707b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 17081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 170988dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 1710b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 171188dca0464804b8b26ae605f89784c927e8493dddChris Lattner return unsigned(idx-1) < NumElements; 171288dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 1713e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 1714bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1715bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1716bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 17181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 171973322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 1720213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 172173322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 172273322924127c873c13101b705dd823f5539ffa5fSteve Naroff 17235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 172472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 17255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 17265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 17275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SubClassData - This field is owned by the subclass, put here to pack 17285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// tightly with the ivars in Type. 17295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool SubClassData : 1; 1730971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 173172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 1732971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// other bitfields. 173372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor /// The qualifiers are part of FunctionProtoType because... 1734971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// 1735971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// C++ 8.3.5p4: The return type, the parameter type list and the 1736971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// cv-qualifier-seq, [...], are part of the function type. 1737971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis /// 1738971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned TypeQuals : 3; 17392455636163fdd18581d7fdae816433f886d88213Mike Stump 17402455636163fdd18581d7fdae816433f886d88213Mike Stump /// NoReturn - Indicates if the function type is attribute noreturn. 17412455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NoReturn : 1; 17421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1743ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /// CallConv - The calling convention used by the function. 1744ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor unsigned CallConv : 2; 1745ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 17465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 17475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 17485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1749971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis FunctionType(TypeClass tc, QualType res, bool SubclassInfo, 17502455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned typeQuals, QualType Canonical, bool Dependent, 1751ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor bool noReturn = false, CallingConv callConv = CC_Default) 1752898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : Type(tc, Canonical, Dependent), 17532455636163fdd18581d7fdae816433f886d88213Mike Stump SubClassData(SubclassInfo), TypeQuals(typeQuals), NoReturn(noReturn), 1754ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallConv(callConv), ResultType(res) {} 17555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool getSubClassData() const { return SubClassData; } 1756971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return TypeQuals; } 17575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 17602455636163fdd18581d7fdae816433f886d88213Mike Stump bool getNoReturnAttr() const { return NoReturn; } 1761ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallingConv getCallConv() const { return (CallingConv)CallConv; } 17625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 176304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 176404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 17655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 17665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 17675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 17685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 17705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 177272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 17735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 177472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 17752455636163fdd18581d7fdae816433f886d88213Mike Stump FunctionNoProtoType(QualType Result, QualType Canonical, 1776ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor bool NoReturn = false, CallingConv CallConv = CC_Default) 17771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : FunctionType(FunctionNoProto, Result, false, 0, Canonical, 1778ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor /*Dependent=*/false, NoReturn, CallConv) {} 17795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 17805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 17821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1783bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1784bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1785bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 1787f82b4e85b1219295cad4b5851b035575bc293010John McCall Profile(ID, getResultType(), getNoReturnAttr(), getCallConv()); 17885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17892455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 1790f82b4e85b1219295cad4b5851b035575bc293010John McCall bool NoReturn, CallingConv CallConv) { 1791f82b4e85b1219295cad4b5851b035575bc293010John McCall ID.AddInteger(CallConv); 17922455636163fdd18581d7fdae816433f886d88213Mike Stump ID.AddInteger(NoReturn); 17935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 17945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17960b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 17970b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 17985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 17995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 18005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 180172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 18025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 180472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 18055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 1806465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 1807465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 1808465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 180972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 1810898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// hasAnyDependentType - Determine whether there are any dependent 1811898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// types within the arguments passed in. 1812898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool hasAnyDependentType(const QualType *ArgArray, unsigned numArgs) { 1813898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 1814898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (ArgArray[Idx]->isDependentType()) 18154b4218f48fef71a179c5a8287dae281580faf52fNate Begeman return true; 1816898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1817898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return false; 1818898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1819898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 182072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType(QualType Result, const QualType *ArgArray, unsigned numArgs, 1821465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned typeQuals, bool hasExs, 1822465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExs, const QualType *ExArray, 1823ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor unsigned numExs, QualType Canonical, bool NoReturn, 1824ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallingConv CallConv) 1825898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor : FunctionType(FunctionProto, Result, isVariadic, typeQuals, Canonical, 18261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump (Result->isDependentType() || 1827ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor hasAnyDependentType(ArgArray, numArgs)), NoReturn, 1828ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CallConv), 1829465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs(numArgs), NumExceptions(numExs), HasExceptionSpec(hasExs), 1830465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl AnyExceptionSpec(hasAnyExs) { 1831942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner // Fill in the trailing argument array. 1832465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType *ArgInfo = reinterpret_cast<QualType*>(this+1); 18335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != numArgs; ++i) 18345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ArgInfo[i] = ArgArray[i]; 1835465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Fill in the exception array. 1836465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType *Ex = ArgInfo + numArgs; 1837465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl for (unsigned i = 0; i != numExs; ++i) 1838465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl Ex[i] = ExArray[i]; 18395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1840465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 18415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 1842465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumArgs : 20; 1843465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1844465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 1845465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumExceptions : 10; 1846465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1847465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// HasExceptionSpec - Whether this function has an exception spec at all. 1848465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool HasExceptionSpec : 1; 1849465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1850465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// AnyExceptionSpec - Whether this function has a throw(...) spec. 1851465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool AnyExceptionSpec : 1; 1852465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1853942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 1854942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 1855465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1856465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 1857465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 1858465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 18595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 18604b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 18615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 18635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 18645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 1865942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 18665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1867465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1868465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec() const { return HasExceptionSpec; } 1869465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec() const { return AnyExceptionSpec; } 1870465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 1871465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 1872465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 1873465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 1874465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 18751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasEmptyExceptionSpec() const { 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return hasExceptionSpec() && !hasAnyExceptionSpec() && 1877a12823f6c0ec9e0e644a9d0ee153e973f49c63fcAnders Carlsson getNumExceptions() == 0; 1878d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 1879465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 18805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isVariadic() const { return getSubClassData(); } 1881971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 18821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 1884942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 1885942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 1886942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 1887942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 1888465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1889465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 1890465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 1891465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 1892465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 1893465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 1894465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 1895465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 1896465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 1897465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1898bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1899bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1900bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19010b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 19020b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 19035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 19045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 19055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 190672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 1907465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 19085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID); 19095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 1910942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 1911465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned TypeQuals, 1912465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec, bool anyExceptionSpec, 19132455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExceptions, exception_iterator Exs, 1914f82b4e85b1219295cad4b5851b035575bc293010John McCall bool NoReturn, CallingConv CallConv); 19155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1918ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 1919ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 1920ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 1921ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 1922ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 1923ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 1924ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 192519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 192619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : Type(UnresolvedUsing, QualType(), true), 192719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 1928ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 1929ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 1930ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1931ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 1932ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1933ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 1934ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 1935ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1936ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 1937ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 1938ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 1939ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 1940ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1941ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 1942ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 1943ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 1944ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 1945ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 1946ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 1947ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 1948ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 1949ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1950ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 19515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 19525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *Decl; 1953c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 195419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TypedefType(TypeClass tc, const TypedefDecl *D, QualType can) 195519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : Type(tc, can, can->isDependentType()), 195619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<TypedefDecl*>(D)) { 19575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 19585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 19605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *getDecl() const { return Decl; } 19631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1964a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// LookThroughTypedefs - Return the ultimate type this typedef corresponds to 1965fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor /// potentially looking through *all* consecutive typedefs. This returns the 1966a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// sum of the type qualifiers, so if you have: 1967a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// typedef const int A; 1968a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// typedef volatile A B; 1969a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// looking through the typedefs for B will give you "const volatile A". 1970a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner QualType LookThroughTypedefs() const; 19711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1972bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 1973bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 1974bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 197572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 19765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 19775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 197972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 198072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 1981d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 19821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1983b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 1984dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 1985d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 1986d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 1987d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 19881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1989bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 1990bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 1991bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1992bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 1993bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 1994bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 199572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 199672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 1997d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 1998d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 1999c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 20001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2001c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2002c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2003c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2004c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 20051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2006b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 2007b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor ASTContext &Context; 20081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2009b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 20101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentTypeOfExprType(ASTContext &Context, Expr *E) 2011b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 20121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2013bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2014bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2015bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2016b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2017b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2018b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 20191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2020b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 2021b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2022b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 20231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2024d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2025d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2026d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 20271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 202872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor : Type(TypeOf, can, T->isDependentType()), TOType(T) { 2029d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2030d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2031d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2032d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2033d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 20341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2035bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2036bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2037bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2038bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2039bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2040bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 204172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2042d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2043d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 20445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2045395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2046395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2047395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 20481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2049563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2050563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2051563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2052563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 20531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20549d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2055563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2056395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2057395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2058395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2059563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2060563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2061bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2062bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2063bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2064bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2065bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2066bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2067395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2068395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2069395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 20701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2071c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2072c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2073c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2074c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2075c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2076c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 20779d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 20789d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor ASTContext &Context; 20791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20809d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 20819d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType(ASTContext &Context, Expr *E); 20821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2083bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2084bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2085bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20869d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 20879d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 20889d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 20891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20909d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 20911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 20929d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 20931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 20950b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// Stores the TagDecl associated with this type. The decl will 20960b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// point to the TagDecl that actually defines the entity (or is a 20970b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// definition in progress), if there is such a definition. The 20980b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// single-bit value will be non-zero when this tag is in the 20990b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// process of being defined. 2100fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor mutable llvm::PointerIntPair<TagDecl *, 1> decl; 21014b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek friend class ASTContext; 21020b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor friend class TagDecl; 21032ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 21042ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 210519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 21062ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 21071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 21080b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor TagDecl *getDecl() const { return decl.getPointer(); } 21091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21100b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 21111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 21120b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor bool isBeingDefined() const { return decl.getInt(); } 21130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setBeingDefined(bool Def) const { decl.setInt(Def? 1 : 0); } 21140b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 21150b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 21160b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 21171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 211872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 211972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 21205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 212172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 212272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 21235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21255edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 21265edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 21275edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 212849aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 212919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 213019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 213172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 213219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 21332ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 21345edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 21351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21365edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 21375edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 21385edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 21391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 21415edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 21421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 21435edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 21445edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 21455edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // FIXME: RecordType needs to check when it is created that all fields are in 21465edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // the same address space, and return that. 21475edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner unsigned getAddressSpace() const { return 0; } 21481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2149bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2150bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2151bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21522daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 21532daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 21542daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 21552daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 21565edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 21575edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 21585edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 21595edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 21605edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 21615edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 216219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 216319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 21642ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 21655edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 21661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21675edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 21685edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 21695edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 21701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2171bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2172bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2173bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21742daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 21752daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 21762daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 21772daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 21785edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 21795edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 21805edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 21817da2431c23ef1ee8acb114e39692246e1801afc2John McCall/// ElaboratedType - A non-canonical type used to represents uses of 21827da2431c23ef1ee8acb114e39692246e1801afc2John McCall/// elaborated type specifiers in C++. For example: 21837da2431c23ef1ee8acb114e39692246e1801afc2John McCall/// 21847da2431c23ef1ee8acb114e39692246e1801afc2John McCall/// void foo(union MyUnion); 21857da2431c23ef1ee8acb114e39692246e1801afc2John McCall/// ^^^^^^^^^^^^^ 21867da2431c23ef1ee8acb114e39692246e1801afc2John McCall/// 21877da2431c23ef1ee8acb114e39692246e1801afc2John McCall/// At the moment, for efficiency we do not create elaborated types in 21887da2431c23ef1ee8acb114e39692246e1801afc2John McCall/// C, since outside of typedefs all references to structs would 21897da2431c23ef1ee8acb114e39692246e1801afc2John McCall/// necessarily be elaborated. 21907da2431c23ef1ee8acb114e39692246e1801afc2John McCallclass ElaboratedType : public Type, public llvm::FoldingSetNode { 21917da2431c23ef1ee8acb114e39692246e1801afc2John McCallpublic: 21927da2431c23ef1ee8acb114e39692246e1801afc2John McCall enum TagKind { 21937da2431c23ef1ee8acb114e39692246e1801afc2John McCall TK_struct, 21947da2431c23ef1ee8acb114e39692246e1801afc2John McCall TK_union, 21957da2431c23ef1ee8acb114e39692246e1801afc2John McCall TK_class, 21967da2431c23ef1ee8acb114e39692246e1801afc2John McCall TK_enum 21977da2431c23ef1ee8acb114e39692246e1801afc2John McCall }; 21987da2431c23ef1ee8acb114e39692246e1801afc2John McCall 21997da2431c23ef1ee8acb114e39692246e1801afc2John McCallprivate: 22007da2431c23ef1ee8acb114e39692246e1801afc2John McCall /// The tag that was used in this elaborated type specifier. 22017da2431c23ef1ee8acb114e39692246e1801afc2John McCall TagKind Tag; 22027da2431c23ef1ee8acb114e39692246e1801afc2John McCall 22037da2431c23ef1ee8acb114e39692246e1801afc2John McCall /// The underlying type. 22047da2431c23ef1ee8acb114e39692246e1801afc2John McCall QualType UnderlyingType; 22057da2431c23ef1ee8acb114e39692246e1801afc2John McCall 22067da2431c23ef1ee8acb114e39692246e1801afc2John McCall explicit ElaboratedType(QualType Ty, TagKind Tag, QualType Canon) 22077da2431c23ef1ee8acb114e39692246e1801afc2John McCall : Type(Elaborated, Canon, Canon->isDependentType()), 22087da2431c23ef1ee8acb114e39692246e1801afc2John McCall Tag(Tag), UnderlyingType(Ty) { } 22097da2431c23ef1ee8acb114e39692246e1801afc2John McCall friend class ASTContext; // ASTContext creates these. 22107da2431c23ef1ee8acb114e39692246e1801afc2John McCall 22117da2431c23ef1ee8acb114e39692246e1801afc2John McCallpublic: 22127da2431c23ef1ee8acb114e39692246e1801afc2John McCall TagKind getTagKind() const { return Tag; } 22137da2431c23ef1ee8acb114e39692246e1801afc2John McCall QualType getUnderlyingType() const { return UnderlyingType; } 22147da2431c23ef1ee8acb114e39692246e1801afc2John McCall 2215bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2216bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2217bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2218bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2219bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2220bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22217da2431c23ef1ee8acb114e39692246e1801afc2John McCall static const char *getNameForTagKind(TagKind Kind) { 22227da2431c23ef1ee8acb114e39692246e1801afc2John McCall switch (Kind) { 22237da2431c23ef1ee8acb114e39692246e1801afc2John McCall default: assert(0 && "Unknown TagKind!"); 22247da2431c23ef1ee8acb114e39692246e1801afc2John McCall case TK_struct: return "struct"; 22257da2431c23ef1ee8acb114e39692246e1801afc2John McCall case TK_union: return "union"; 22267da2431c23ef1ee8acb114e39692246e1801afc2John McCall case TK_class: return "class"; 22277da2431c23ef1ee8acb114e39692246e1801afc2John McCall case TK_enum: return "enum"; 22287da2431c23ef1ee8acb114e39692246e1801afc2John McCall } 22297da2431c23ef1ee8acb114e39692246e1801afc2John McCall } 22307da2431c23ef1ee8acb114e39692246e1801afc2John McCall 22317da2431c23ef1ee8acb114e39692246e1801afc2John McCall void Profile(llvm::FoldingSetNodeID &ID) { 22327da2431c23ef1ee8acb114e39692246e1801afc2John McCall Profile(ID, getUnderlyingType(), getTagKind()); 22337da2431c23ef1ee8acb114e39692246e1801afc2John McCall } 22347da2431c23ef1ee8acb114e39692246e1801afc2John McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T, TagKind Tag) { 22357da2431c23ef1ee8acb114e39692246e1801afc2John McCall ID.AddPointer(T.getAsOpaquePtr()); 22367da2431c23ef1ee8acb114e39692246e1801afc2John McCall ID.AddInteger(Tag); 22377da2431c23ef1ee8acb114e39692246e1801afc2John McCall } 22387da2431c23ef1ee8acb114e39692246e1801afc2John McCall 22397da2431c23ef1ee8acb114e39692246e1801afc2John McCall static bool classof(const ElaboratedType*) { return true; } 22407da2431c23ef1ee8acb114e39692246e1801afc2John McCall static bool classof(const Type *T) { return T->getTypeClass() == Elaborated; } 22417da2431c23ef1ee8acb114e39692246e1801afc2John McCall}; 22427da2431c23ef1ee8acb114e39692246e1801afc2John McCall 2243fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 224476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson unsigned Depth : 15; 2245fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor unsigned Index : 16; 224676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson unsigned ParameterPack : 1; 2247fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *Name; 224872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 22491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP, IdentifierInfo *N, 22501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType Canon) 2251fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true), 225276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson Depth(D), Index(I), ParameterPack(PP), Name(N) { } 225372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 22541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 2255fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true), 225676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson Depth(D), Index(I), ParameterPack(PP), Name(0) { } 225772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2258fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 225972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2260fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 2261fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor unsigned getDepth() const { return Depth; } 2262fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor unsigned getIndex() const { return Index; } 226376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool isParameterPack() const { return ParameterPack; } 2264fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor IdentifierInfo *getName() const { return Name; } 22651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2266bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2267bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2268bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2269fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 227076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson Profile(ID, Depth, Index, ParameterPack, Name); 2271fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2272fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 22731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 22741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 227576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson IdentifierInfo *Name) { 2276fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 2277fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 227876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 2279fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddPointer(Name); 2280fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2281fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 22821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 22831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 228472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 228572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 228672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 2287fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 228849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 228949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 229049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 229149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 229249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 229349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 229449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 229549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 229649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 229749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 229849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 229949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 230049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType()), 230149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 230249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 230349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 230449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 230549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 230649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall IdentifierInfo *getName() const { return Replaced->getName(); } 230749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 230849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 230949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 231049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 231149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 231249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 231349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 231449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 231549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 231649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 231749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 231849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 231949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 232049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 232149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 232249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 232349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 232449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 232549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 232649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 232749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 232849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 232949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 233049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 233149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 233249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 233349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 233449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 233549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 233649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 233749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 23387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 23397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 234055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 23417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 23427532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 23437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 23447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 23457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 234655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 23471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 234855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 23497532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 23507532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 23517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 23527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 23531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 235455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 235555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2356828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor // FIXME: Currently needed for profiling expressions; can we avoid this? 2357828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor ASTContext &Context; 23581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2359828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor /// \brief The name of the template being specialized. 23607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 236155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 236240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 236340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 236455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 236555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2366828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor TemplateSpecializationType(ASTContext &Context, 2367828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor TemplateName T, 23687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 23697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, QualType Canon); 237055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 23715908e9f25bc9a334c99c095e0b1e6a515445be2dDouglas Gregor virtual void Destroy(ASTContext& C); 23725908e9f25bc9a334c99c095e0b1e6a515445be2dDouglas Gregor 237355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 237455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 237555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 237640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 237740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 237840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 23791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 238040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 2381833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 2382833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 2383833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2384d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 2385d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2386df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 2387df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 2388df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 2389d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 2390d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor const PrintingPolicy &Policy); 2391df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 2392833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 2393833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 2394833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 2395833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2396d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 2397d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 2398d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 239940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 240040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 240140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 240240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator end() const; 240340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 24047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 24057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 240655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 240740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 24081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 240940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 241040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 241140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 241240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 241355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 241455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 241555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 241655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 241740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor const TemplateArgument &getArg(unsigned Idx) const; 241855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2419bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2420bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 2421bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 242255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2423828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Profile(ID, Template, getArgs(), NumArgs, Context); 242455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 242555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 24267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 2427828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor const TemplateArgument *Args, unsigned NumArgs, 2428828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor ASTContext &Context); 242955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 24301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 243255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 24337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 243455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 243555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2436e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// \brief Represents a type that was referred to via a qualified 2437e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// name, e.g., N::M::type. 2438e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 2439e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 2440119057adf21237d53dcd490cec9700dca2465e3eDouglas Gregor/// source code, including any nested-name-specifiers. The type itself 2441119057adf21237d53dcd490cec9700dca2465e3eDouglas Gregor/// is always "sugar", used to express what was written in the source 2442119057adf21237d53dcd490cec9700dca2465e3eDouglas Gregor/// code but containing no additional semantic information. 2443e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorclass QualifiedNameType : public Type, public llvm::FoldingSetNode { 2444ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2445ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 2446e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2447e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 2448e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 2449e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2450ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualifiedNameType(NestedNameSpecifier *NNS, QualType NamedType, 2451ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualType CanonType) 2452ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor : Type(QualifiedName, CanonType, NamedType->isDependentType()), 2453ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NNS(NNS), NamedType(NamedType) { } 2454e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2455e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 2456e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2457e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 2458ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 2459ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2460e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2461e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 2462e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 2463e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2464bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2465bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 2466bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2467bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2468bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2469bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2470e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2471ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor Profile(ID, NNS, NamedType); 2472e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2473e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2474ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, NestedNameSpecifier *NNS, 2475ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor QualType NamedType) { 2476ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 2477ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 2478ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 2479e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 24801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == QualifiedName; 2482e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2483e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor static bool classof(const QualifiedNameType *T) { return true; } 2484e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 2485e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2486d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// \brief Represents a 'typename' specifier that names a type within 2487d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// a dependent type, e.g., "typename T::type". 2488d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 2489d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// TypenameType has a very similar structure to QualifiedNameType, 2490d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// which also involves a nested-name-specifier following by a type, 2491d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// and (FIXME!) both can even be prefixed by the 'typename' 2492d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// keyword. However, the two types serve very different roles: 2493d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// QualifiedNameType is a non-semantic type that serves only as sugar 2494d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// to show how a particular type was written in the source 2495d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// code. TypenameType, on the other hand, only occurs when the 2496d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// nested-name-specifier is dependent, such that we cannot resolve 2497d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// the actual type until after instantiation. 2498d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorclass TypenameType : public Type, public llvm::FoldingSetNode { 2499d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2500d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 2501d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump typedef llvm::PointerUnion<const IdentifierInfo *, 25031734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *> NameType; 25041734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2505d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 25061734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NameType Name; 2507d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2508d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor TypenameType(NestedNameSpecifier *NNS, const IdentifierInfo *Name, 2509d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType CanonType) 25101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type(Typename, CanonType, true), NNS(NNS), Name(Name) { 25111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 2512d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor "TypenameType requires a dependent nested-name-specifier"); 2513d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2514d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25151734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor TypenameType(NestedNameSpecifier *NNS, const TemplateSpecializationType *Ty, 25161734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor QualType CanonType) 25171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Type(Typename, CanonType, true), NNS(NNS), Name(Ty) { 25181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 25191734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor "TypenameType requires a dependent nested-name-specifier"); 25201734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 25211734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2522d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 2523d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2524d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 2525d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 2526d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2527d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25281734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 25291734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 25301734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 25311734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 25321734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 25331734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 25341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 25351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Name.dyn_cast<const IdentifierInfo *>(); 25361734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 25371734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 25381734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as a 25391734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// type specialization. 25401734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor const TemplateSpecializationType *getTemplateId() const { 25411734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor return Name.dyn_cast<const TemplateSpecializationType *>(); 25421734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 2543d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2544bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2545bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2546bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2547d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2548d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Profile(ID, NNS, Name); 2549d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2550d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2551d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, NestedNameSpecifier *NNS, 25521734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor NameType Name) { 2553d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 25541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor ID.AddPointer(Name.getOpaqueValue()); 2555d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2556d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 25581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Typename; 2559d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2560d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor static bool classof(const TypenameType *T) { return true; } 2561d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 2562d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2563fb7701df5401fa1f5b3396d269fb33e731a00089Chris Lattner/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 2564fb7701df5401fa1f5b3396d269fb33e731a00089Chris Lattner/// object oriented design. They basically correspond to C++ classes. There 2565fb7701df5401fa1f5b3396d269fb33e731a00089Chris Lattner/// are two kinds of interface types, normal interfaces like "NSString" and 2566fb7701df5401fa1f5b3396d269fb33e731a00089Chris Lattner/// qualified interfaces, which are qualified with a protocol list like 2567c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff/// "NSString<NSCopyable, NSAmazing>". 2568c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroffclass ObjCInterfaceType : public Type, public llvm::FoldingSetNode { 2569a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *Decl; 2570c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 2571fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor /// \brief The number of protocols stored after the ObjCInterfaceType node. 2572fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor /// The list of protocols is sorted on protocol name. No protocol is enterred 2573fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor /// more than once. 257471842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek unsigned NumProtocols; 2575c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 2576fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor ObjCInterfaceType(QualType Canonical, ObjCInterfaceDecl *D, 257771842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek ObjCProtocolDecl **Protos, unsigned NumP); 25783536b443bc50d58a79f14fca9b6842541a434854Steve Naroff friend class ASTContext; // ASTContext creates these. 25793536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 258071842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek void Destroy(ASTContext& C); 258171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 2582a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *getDecl() const { return Decl; } 25831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2584c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 2585c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 258671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek unsigned getNumProtocols() const { return NumProtocols; } 258714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 258873dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor /// \brief Retrieve the Ith protocol. 258973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 259073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 259173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 259273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 259373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 2594fb7701df5401fa1f5b3396d269fb33e731a00089Chris Lattner /// qual_iterator and friends: this provides access to the (potentially empty) 2595c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// list of protocols qualifying this interface. 259671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek typedef ObjCProtocolDecl* const * qual_iterator; 259771842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 2598fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor return reinterpret_cast<qual_iterator>(this + 1); 259971842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 260071842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_end() const { 2601fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor return qual_begin() + NumProtocols; 260271842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 260371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek bool qual_empty() const { return NumProtocols == 0; } 26041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2605bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2606bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2607bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2608c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 26091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 2610c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff const ObjCInterfaceDecl *Decl, 2611fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor ObjCProtocolDecl * const *protocols, 2612fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor unsigned NumProtocols); 26131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26140b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 26150b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 26161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 26171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 26183536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 2619a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 26203536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 26213536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 262214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// ObjCObjectPointerType - Used to represent 'id', 'Interface *', 'id <p>', 262314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// and 'Interface <p> *'. 262414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 262514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// Duplicate protocols are removed and protocol list is canonicalized to be in 262614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// alphabetical order. 262714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 2628f6265efe7e35fb0fba315da6391368aeee1e57c9Steve Naroff QualType PointeeType; // A builtin or interface type. 26291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2630fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor /// \brief The number of protocols stored after the ObjCObjectPointerType 2631fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor /// node. 2632fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor /// 2633fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor /// The list of protocols is sorted on protocol name. No protocol is enterred 2634fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor /// more than once. 263571842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek unsigned NumProtocols; 263614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 2637fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor ObjCObjectPointerType(QualType Canonical, QualType T, 263871842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek ObjCProtocolDecl **Protos, unsigned NumP); 263914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 26401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 264114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 264271842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek void Destroy(ASTContext& C); 264371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 26448f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff // Get the pointee type. Pointee will either be: 26458f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff // - a built-in type (for 'id' and 'Class'). 26468f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff // - an interface type (for user-defined types). 26478f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff // - a TypedefType whose canonical type is an interface (as in 'T' below). 26488f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff // For example: typedef NSObject T; T *var; 264914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 265014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 26511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 2652183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return PointeeType->getAs<ObjCInterfaceType>(); 265314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 2654de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff /// getInterfaceDecl - returns an interface decl for user-defined types. 265514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 2656de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return getInterfaceType() ? getInterfaceType()->getDecl() : 0; 265714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 2658de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff /// isObjCIdType - true for "id". 265914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 26601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCId) && 266171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek !NumProtocols; 266214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 2663de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff /// isObjCClassType - true for "Class". 266414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 26651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCClass) && 266671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek !NumProtocols; 2667de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 26688d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 2669de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff /// isObjCQualifiedIdType - true for "id <p>". 26701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 26711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCId) && 267271842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek NumProtocols; 2673de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 2674de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff /// isObjCQualifiedClassType - true for "Class <p>". 2675470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 26761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCClass) && 267771842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek NumProtocols; 267814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 267914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff /// qual_iterator and friends: this provides access to the (potentially empty) 268014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff /// list of protocols qualifying this interface. 268171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek typedef ObjCProtocolDecl* const * qual_iterator; 268214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 268371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 2684fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor return reinterpret_cast<qual_iterator> (this + 1); 268571842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 268671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_end() const { 2687fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor return qual_begin() + NumProtocols; 268871842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 268971842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek bool qual_empty() const { return NumProtocols == 0; } 269014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 269114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 269214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff /// interface type, or 0 if there are none. 269371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek unsigned getNumProtocols() const { return NumProtocols; } 269414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 269573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor /// \brief Retrieve the Ith protocol. 269673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 269773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 269873dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 269973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 270073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 2701bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2702bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2703bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 27040b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor virtual Linkage getLinkage() const; 27050b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 270614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff void Profile(llvm::FoldingSetNodeID &ID); 270714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType T, 2708fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor ObjCProtocolDecl *const *protocols, 2709fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor unsigned NumProtocols); 27101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 27111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 271214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 271314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 271414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 27151bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 27160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 27170953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 27180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext *Context; 27190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 27200953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 27210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) 27220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Qualifiers(Qs), Context(0) {} 27230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector(ASTContext &Context, Qualifiers Qs = Qualifiers()) 27240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Qualifiers(Qs), Context(&Context) {} 27250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 27260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setContext(ASTContext &C) { Context = &C; } 27270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 27280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 27290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// unqualified type. 27300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *strip(QualType QT) { 2731a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor addFastQualifiers(QT.getLocalFastQualifiers()); 2732a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (QT.hasLocalNonFastQualifiers()) { 27330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = QT.getExtQualsUnsafe(); 27340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Context = &EQ->getContext(); 27350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(EQ->getQualifiers()); 27360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getBaseType(); 27370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 27380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QT.getTypePtrUnsafe(); 27390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 27400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 27410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 27420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType apply(QualType QT) const; 27430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 27440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 27450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType apply(const Type* T) const; 27460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 27470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 27480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 27490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2750611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 27515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2752467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 2753467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall const Type *T = getTypePtr(); 2754a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) 2755467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified() && !isa<ArrayType>(T); 2756467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified(); 2757467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 2758467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 275954e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 2760a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 276154e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 276254e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->isCanonicalUnqualified() && 276354e14c4db764c0636160d26c5bbf491637c83a76John McCall !isa<FunctionType>(T) && !isa<ArrayType>(T); 276454e14c4db764c0636160d26c5bbf491637c83a76John McCall} 276554e14c4db764c0636160d26c5bbf491637c83a76John McCall 2766fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 2767fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 2768fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalConstQualified(); 2769fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 2770fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 2771fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 2772fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 2773fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalRestrictQualified(); 2774fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 2775fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 2776fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 2777fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 2778fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 2779fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalVolatileQualified(); 2780fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 2781fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 2782fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 2783fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 2784fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers(); 2785fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 2786fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 2787fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline Qualifiers QualType::getQualifiers() const { 2788fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers Quals = getLocalQualifiers(); 2789fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Quals.addQualifiers( 2790fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalQualifiers()); 2791fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return Quals; 2792fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 2793fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 2794fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline unsigned QualType::getCVRQualifiers() const { 2795fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getLocalCVRQualifiers() | 2796fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalCVRQualifiers(); 2797fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 2798e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 2799e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// getCVRQualifiersThroughArrayTypes - If there are CVR qualifiers for this 2800e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type, returns them. Otherwise, if this is an array type, recurses 2801e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// on the element type until some qualifiers have been found or a non-array 2802e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type reached. 2803e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruthinline unsigned QualType::getCVRQualifiersThroughArrayTypes() const { 2804e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (unsigned Quals = getCVRQualifiers()) 2805e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return Quals; 2806e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth QualType CT = getTypePtr()->getCanonicalTypeInternal(); 2807e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 2808e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return AT->getElementType().getCVRQualifiersThroughArrayTypes(); 2809e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return 0; 2810e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth} 2811e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 28120953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeConst() { 28130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Qualifiers::Const); 28140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 28150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 28160953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeRestrict() { 28170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Qualifiers::Restrict); 28180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 28190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 28200953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeVolatile() { 28210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc; 28220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qc.strip(*this); 28230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Qc.hasVolatile()) { 28240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qc.removeVolatile(); 28250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall *this = Qc.apply(Ty); 28260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 28270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 28280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 28290953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeCVRQualifiers(unsigned Mask) { 28306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 28310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 28320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 28330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Mask & ~Qualifiers::FastMask)) { 28340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Mask); 28350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return; 28360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 28370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 28380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc; 28390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qc.strip(*this); 28400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qc.removeCVRQualifiers(Mask); 28410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall *this = Qc.apply(Ty); 2842ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 2843ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 2844ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 2845ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 2846a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 28470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 28480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 28490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 28500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 28510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 28524243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner QualType CT = getTypePtr()->getCanonicalTypeInternal(); 2853a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 28540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 28550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 28560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 28570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 28580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 28594243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 2860c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT->getElementType().getAddressSpace(); 28614243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const RecordType *RT = dyn_cast<RecordType>(CT)) 28628e7dafec4b70303dfaff95151cd06bfc5532720cNate Begeman return RT->getAddressSpace(); 2863ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb return 0; 2864ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 2865611c1fff195d32df97706e0920c92468b2509900Chris Lattner 2866d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 28670953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 2868a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 28690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 28700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 28710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 28720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 28730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2874d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CT = getTypePtr()->getCanonicalTypeInternal(); 2875a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 28760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 28770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 28780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 28790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 28800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2881d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 2882d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return AT->getElementType().getObjCGCAttr(); 2883183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *PT = CT->getAs<ObjCObjectPointerType>()) 28841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 2885ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian // We most look at all pointer types, not just pointer to interface types. 2886ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian if (const PointerType *PT = CT->getAs<PointerType>()) 28871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 28880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 2889d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 28902455636163fdd18581d7fdae816433f886d88213Mike Stump 2891ae92140b542d5c1c096e39e74e59526184819b30Mike Stump /// getNoReturnAttr - Returns true if the type has the noreturn attribute, 2892ae92140b542d5c1c096e39e74e59526184819b30Mike Stump /// false otherwise. 28932455636163fdd18581d7fdae816433f886d88213Mike Stumpinline bool QualType::getNoReturnAttr() const { 28942455636163fdd18581d7fdae816433f886d88213Mike Stump QualType CT = getTypePtr()->getCanonicalTypeInternal(); 28956217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = getTypePtr()->getAs<PointerType>()) { 2896183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 28972455636163fdd18581d7fdae816433f886d88213Mike Stump return FT->getNoReturnAttr(); 2898183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall } else if (const FunctionType *FT = getTypePtr()->getAs<FunctionType>()) 28992455636163fdd18581d7fdae816433f886d88213Mike Stump return FT->getNoReturnAttr(); 29002455636163fdd18581d7fdae816433f886d88213Mike Stump 29012455636163fdd18581d7fdae816433f886d88213Mike Stump return false; 29022455636163fdd18581d7fdae816433f886d88213Mike Stump} 29031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2904ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// getCallConv - Returns the calling convention of the type if the type 2905ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// is a function type, CC_Default otherwise. 2906ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorinline CallingConv QualType::getCallConv() const { 2907ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (const PointerType *PT = getTypePtr()->getAs<PointerType>()) 2908ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return PT->getPointeeType().getCallConv(); 2909ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor else if (const ReferenceType *RT = getTypePtr()->getAs<ReferenceType>()) 2910ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return RT->getPointeeType().getCallConv(); 2911ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor else if (const MemberPointerType *MPT = 2912ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor getTypePtr()->getAs<MemberPointerType>()) 2913ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return MPT->getPointeeType().getCallConv(); 2914ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor else if (const BlockPointerType *BPT = 2915ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor getTypePtr()->getAs<BlockPointerType>()) { 2916ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (const FunctionType *FT = BPT->getPointeeType()->getAs<FunctionType>()) 2917ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return FT->getCallConv(); 2918ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *FT = getTypePtr()->getAs<FunctionType>()) 2919ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return FT->getCallConv(); 2920ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 2921ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return CC_Default; 2922ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 2923ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 2924e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 2925e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 2926e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 2927e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 2928e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 2929e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isMoreQualifiedThan(QualType Other) const { 29300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 2931e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 2932e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 2933ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 2934ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 2935e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return MyQuals != OtherQuals && (MyQuals | OtherQuals) == MyQuals; 2936e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 2937e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 2938e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 2939e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 2940e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 2941e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 2942e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isAtLeastAsQualifiedAs(QualType Other) const { 29430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 2944e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 2945e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 2946ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 2947ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 2948e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return (MyQuals | OtherQuals) == MyQuals; 2949e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 2950e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 2951e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 2952e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 2953e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 2954e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 2955e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 2956e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 2957e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 2958e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 2959e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 2960e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 29616217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 2962e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 2963e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 2964e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 2965e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 2966e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 29672b1cc8be4dda4cd122485be0168b3c43d7dff15fChris Lattnerinline const ObjCInterfaceType *Type::getAsPointerToObjCInterfaceType() const { 29686217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = getAs<PointerType>()) 2969183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return PT->getPointeeType()->getAs<ObjCInterfaceType>(); 29702b1cc8be4dda4cd122485be0168b3c43d7dff15fChris Lattner return 0; 29712b1cc8be4dda4cd122485be0168b3c43d7dff15fChris Lattner} 29721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2973611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 2974a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 2975611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 2976611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 2977a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 2978611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 297958f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 298058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 298158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 29825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 2983a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 29845618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 2985bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 2986a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 2987bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 29887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 2989a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 29907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 29917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 2992a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 29937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 2994498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 29956217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* T = getAs<PointerType>()) 2996498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 2997498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 2998498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 2999498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 3000f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 3001a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 3002f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3003f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 30046217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 3005f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getPointeeType()->isFunctionType(); 3006f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 3007f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 3008f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3009611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 3010a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 3011611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3012c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 3013a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 3014c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3015c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 3016a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 3017c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3018c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 3019a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 3020c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3021898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 3022a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 3023898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 3024611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 3025a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 3026611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3027f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 3028a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 3029f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 3030611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 3031a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 3032611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3033213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 3034a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 3035611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3036d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 3037a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 3038d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 3039a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCInterfaceType() const { 3040a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCInterfaceType>(CanonicalType); 3041368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 3042a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 3043183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3044d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 3045d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 3046d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 3047470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 3048183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3049470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 3050470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 3051470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 305214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 3053183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 305414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 305514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 305614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 305714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 3058183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 305914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 306014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 306114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 306213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 30638d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 30648d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 306513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 306613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 3067de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 306813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 3069de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 307072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 3071a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 307272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 307372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3074e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 3075183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 3076e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 3077e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 3078e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 3079e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 3080e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 3081063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 3082063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 3083063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 3084063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 3085904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 3086904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 30878958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 30888958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 30891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump isObjCInterfaceType() || isObjCObjectPointerType() || 30906e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl isObjCQualifiedInterfaceType() || isNullPtrType()); 30918958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 30928958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 3093820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 30941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return (isObjCInterfaceType() || isObjCObjectPointerType() || 3095820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian isObjCQualifiedInterfaceType()); 3096820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 3097820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 309822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 309922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 310022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 310122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 310222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 310322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 310422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 310522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 31061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 310789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 310889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 310989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 311089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 311189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 311289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 311389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 311489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 311589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 311689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 31171a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 31181a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 311989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 312089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 312189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 31221a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 31231a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 31241a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 31251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31261a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 31270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 31281a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 31291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 31311a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 3132bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 31331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 313422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 31355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 31365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3138