Type.h revision 7e50826d3559f284eee6659f0aa159c68f504b34
14b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner//===--- Type.h - C Language Family Type Representation ---------*- C++ -*-===// 24b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// 34b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// The LLVM Compiler Infrastructure 44b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// 5959e5be188a505881058777f35abaaa3fe2de40bChris Lattner// This file is distributed under the University of Illinois Open Source 6959e5be188a505881058777f35abaaa3fe2de40bChris Lattner// License. See LICENSE.TXT for details. 74b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// 84b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner//===----------------------------------------------------------------------===// 94b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// 104b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// This file defines the Type interface and subclasses. 114b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// 124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner//===----------------------------------------------------------------------===// 134b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner#ifndef LLVM_CLANG_AST_TYPE_H 154b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner#define LLVM_CLANG_AST_TYPE_H 164b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 17da5c087ebf3d47b40bae2e99671ce1929156a427Chris Lattner#include "clang/Basic/Diagnostic.h" 18734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 194b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner#include "llvm/Support/Casting.h" 2083c13010359c33354c581acee65d0c986a75247eSteve Naroff#include "llvm/ADT/APSInt.h" 2148a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner#include "llvm/ADT/FoldingSet.h" 2248a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner#include "llvm/ADT/PointerIntPair.h" 2378f138f44886abc5ab7fc1551d501308f1846d80Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 244b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerusing llvm::isa; 254b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerusing llvm::cast; 264b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerusing llvm::cast_or_null; 274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerusing llvm::dyn_cast; 284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerusing llvm::dyn_cast_or_null; 294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnernamespace clang { 314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class ASTContext; 324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class Type; 334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class TypedefDecl; 348e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor class TemplateDecl; 35dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor class TemplateTypeParmDecl; 36279272e63b321f89c8fa0bb198acd3a834459aebDouglas Gregor class NonTypeTemplateParmDecl; 37279272e63b321f89c8fa0bb198acd3a834459aebDouglas Gregor class TemplateTemplateParamDecl; 384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class TagDecl; 394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class RecordDecl; 40ea29d1ec6b76c3722d7c0fb6a3d35c2d8cc74a79Argiris Kirtzidis class CXXRecordDecl; 414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class EnumDecl; 4264be4ada44c719304c1dee75fb1e551f84b7779aTed Kremenek class FieldDecl; 4342730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek class ObjCInterfaceDecl; 4442730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek class ObjCProtocolDecl; 4542730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek class ObjCMethodDecl; 464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class Expr; 47718b6638e0d259d1b8371ef30e475e9c2e981ffcTed Kremenek class Stmt; 484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class SourceLocation; 49fce813e3159a67a57a03cdca45ac4e10d4cffac3Ted Kremenek class StmtIteratorBase; 50f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor class TemplateArgument; 51734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor class QualifiedNameType; 524fa58905062efa6a12137b1983a1367220182a20Douglas Gregor 534fa58905062efa6a12137b1983a1367220182a20Douglas Gregor // Provide forward declarations for all of the *Type classes 544fa58905062efa6a12137b1983a1367220182a20Douglas Gregor#define TYPE(Class, Base) class Class##Type; 554fa58905062efa6a12137b1983a1367220182a20Douglas Gregor#include "clang/AST/TypeNodes.def" 567555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl 574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// QualType - For efficiency, we don't store CVR-qualified types as nodes on 584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// their own: instead each reference to a type stores the qualifiers. This 594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// greatly reduces the number of nodes we need to allocate for types (for 604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// example we only need one for 'int', 'const int', 'volatile int', 614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 'const volatile int', etc). 624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// As an added efficiency bonus, instead of making this a pair, we just store 644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// the three bits we care about in the low bits of the pointer. To handle the 654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// packing/unpacking, we make QualType be a simple wrapper class that acts like 664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// a smart pointer. 674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass QualType { 6848a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner llvm::PointerIntPair<Type*, 3> Value; 694b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 714b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Const = 0x1, 724b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Restrict = 0x2, 734b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Volatile = 0x4, 744b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner CVRFlags = Const|Restrict|Volatile 754b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner }; 764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 77af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian enum GCAttrTypes { 78af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian GCNone = 0, 79af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian Weak, 80af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian Strong 81af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian }; 82af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian 8348a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner QualType() {} 844b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8548a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner QualType(const Type *Ptr, unsigned Quals) 8648a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner : Value(const_cast<Type*>(Ptr), Quals) {} 874b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8848a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner unsigned getCVRQualifiers() const { return Value.getInt(); } 89b9b218e566459808be9f1c52b03afad3e0d39ed3Chris Lattner void setCVRQualifiers(unsigned Quals) { Value.setInt(Quals); } 9048a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner Type *getTypePtr() const { return Value.getPointer(); } 9148a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner 9248a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static QualType getFromOpaquePtr(void *Ptr) { 944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType T; 9548a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner T.Value.setFromOpaqueValue(Ptr); 964b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return T; 974b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 984b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 994b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Type &operator*() const { 1004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return *getTypePtr(); 1014b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1024b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1034b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Type *operator->() const { 1044b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return getTypePtr(); 1054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1064b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1074b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isNull - Return true if this QualType doesn't point to a type yet. 1084b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isNull() const { 10948a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner return getTypePtr() == 0; 1104b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1114b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isConstQualified() const { 11348a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner return (getCVRQualifiers() & Const) ? true : false; 1144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1154b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isVolatileQualified() const { 11648a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner return (getCVRQualifiers() & Volatile) ? true : false; 1174b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1184b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isRestrictQualified() const { 11948a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner return (getCVRQualifiers() & Restrict) ? true : false; 1204b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 121a7bbf567dac9dfd58f12c9ff14584d64104694f3Nuno Lopes 122a7bbf567dac9dfd58f12c9ff14584d64104694f3Nuno Lopes bool isConstant(ASTContext& Ctx) const; 1232e3b1d2ed22e5638fa9c55cc1ea5dac4db6aecdcChris Lattner 1242e3b1d2ed22e5638fa9c55cc1ea5dac4db6aecdcChris Lattner /// addConst/addVolatile/addRestrict - add the specified type qual to this 1252e3b1d2ed22e5638fa9c55cc1ea5dac4db6aecdcChris Lattner /// QualType. 12648a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner void addConst() { Value.setInt(Value.getInt() | Const); } 12748a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner void addVolatile() { Value.setInt(Value.getInt() | Volatile); } 12848a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner void addRestrict() { Value.setInt(Value.getInt() | Restrict); } 1294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 13048a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner void removeConst() { Value.setInt(Value.getInt() & ~Const); } 13148a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner void removeVolatile() { Value.setInt(Value.getInt() & ~Volatile); } 13248a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner void removeRestrict() { Value.setInt(Value.getInt() & ~Restrict); } 13393eb82549eec82d75ce5dd3afbeeaf6fdb0e2a27Sanjiv Gupta 1344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getQualifiedType(unsigned TQs) const { 1354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return QualType(getTypePtr(), TQs); 1364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 137a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner QualType getWithAdditionalQualifiers(unsigned TQs) const { 138a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner return QualType(getTypePtr(), TQs|getCVRQualifiers()); 139a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner } 1404b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis 1414b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis QualType withConst() const { return getWithAdditionalQualifiers(Const); } 1424b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis QualType withVolatile() const { return getWithAdditionalQualifiers(Volatile);} 1434b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis QualType withRestrict() const { return getWithAdditionalQualifiers(Restrict);} 1444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1453fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor QualType getUnqualifiedType() const; 1463fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 1473fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 1483fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor QualType getNonReferenceType() const; 1494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 150835327293da59eb16667ae5a2b7158131865a079Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 151835327293da59eb16667ae5a2b7158131865a079Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 152835327293da59eb16667ae5a2b7158131865a079Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 153835327293da59eb16667ae5a2b7158131865a079Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 154835327293da59eb16667ae5a2b7158131865a079Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 155835327293da59eb16667ae5a2b7158131865a079Chris Lattner /// concrete. 156835327293da59eb16667ae5a2b7158131865a079Chris Lattner QualType getDesugaredType() const; 1576573cfd6fc32eab0b696cfc318bb21f4e3933f35Douglas Gregor 1584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// operator==/!= - Indicate whether the specified types and qualifiers are 1594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// identical. 1604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool operator==(const QualType &RHS) const { 16148a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner return Value == RHS.Value; 1624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool operator!=(const QualType &RHS) const { 16448a3432a72fd17868c0bf4d864ddb60420c63d68Chris Lattner return Value != RHS.Value; 1654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner std::string getAsString() const { 1674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner std::string S; 1684b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner getAsStringInternal(S); 1694b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return S; 1704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1714b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void getAsStringInternal(std::string &Str) const; 1724b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 173a55e321bd645398b514e246981c04a4889ee2472Chris Lattner void dump(const char *s) const; 174a55e321bd645398b514e246981c04a4889ee2472Chris Lattner void dump() const; 1759d464449c2a782e0a91ea85d79ad9e35418ec441Ted Kremenek 1769d464449c2a782e0a91ea85d79ad9e35418ec441Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 1779d464449c2a782e0a91ea85d79ad9e35418ec441Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 1789d464449c2a782e0a91ea85d79ad9e35418ec441Ted Kremenek } 1794b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 180b06cf30badcddfea862bc9a538447453bdd94598Chris Lattnerpublic: 1814b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1822a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb /// getAddressSpace - Return the address space of this type. 1832a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb inline unsigned getAddressSpace() const; 1842a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb 185af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 186af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian inline QualType::GCAttrTypes getObjCGCAttr() const; 18785534581967bd50a73c25ae76c96d39b05854a05Fariborz Jahanian 18885534581967bd50a73c25ae76c96d39b05854a05Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 18985534581967bd50a73c25ae76c96d39b05854a05Fariborz Jahanian bool isObjCGCWeak() const { 19085534581967bd50a73c25ae76c96d39b05854a05Fariborz Jahanian return getObjCGCAttr() == Weak; 19185534581967bd50a73c25ae76c96d39b05854a05Fariborz Jahanian } 19285534581967bd50a73c25ae76c96d39b05854a05Fariborz Jahanian 19385534581967bd50a73c25ae76c96d39b05854a05Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 19485534581967bd50a73c25ae76c96d39b05854a05Fariborz Jahanian bool isObjCGCStrong() const { 19585534581967bd50a73c25ae76c96d39b05854a05Fariborz Jahanian return getObjCGCAttr() == Strong; 19685534581967bd50a73c25ae76c96d39b05854a05Fariborz Jahanian } 197af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian 198034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek /// Emit - Serialize a QualType to Bitcode. 19978f138f44886abc5ab7fc1551d501308f1846d80Ted Kremenek void Emit(llvm::Serializer& S) const; 20078f138f44886abc5ab7fc1551d501308f1846d80Ted Kremenek 201034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek /// Read - Deserialize a QualType from Bitcode. 202034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek static QualType ReadVal(llvm::Deserializer& D); 20364be4ada44c719304c1dee75fb1e551f84b7779aTed Kremenek 20464be4ada44c719304c1dee75fb1e551f84b7779aTed Kremenek void ReadBackpatch(llvm::Deserializer& D); 2054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 2064b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2074b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner} // end clang. 2084b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2094b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnernamespace llvm { 2104b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 2114b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// to a specific Type class. 2124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnertemplate<> struct simplify_type<const ::clang::QualType> { 2134b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner typedef ::clang::Type* SimpleType; 2144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 2154b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return Val.getTypePtr(); 2164b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 2174b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 2184b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnertemplate<> struct simplify_type< ::clang::QualType> 2194b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner : public simplify_type<const ::clang::QualType> {}; 22078f138f44886abc5ab7fc1551d501308f1846d80Ted Kremenek 22178f138f44886abc5ab7fc1551d501308f1846d80Ted Kremenek} // end namespace llvm 2224b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2234b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnernamespace clang { 2244b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2254b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// Type - This is the base class of the type hierarchy. A central concept 2264b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// with types is that each type always has a canonical type. A canonical type 2274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// is the type with any typedef names stripped out of it or the types it 2284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// references. For example, consider: 2294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 2304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// typedef int foo; 2314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// typedef foo* bar; 2324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 'int *' 'foo *' 'bar' 2334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 2344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// There will be a Type object created for 'int'. Since int is canonical, its 2354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 2364fa58905062efa6a12137b1983a1367220182a20Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 2374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// there is a PointerType that represents 'int*', which, like 'int', is 2384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 2394fa58905062efa6a12137b1983a1367220182a20Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 2404b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// is also 'int*'. 2414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 2424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// Non-canonical types are useful for emitting diagnostics, without losing 2434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// information about typedefs being used. Canonical types are useful for type 2444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// comparisons (they allow by-pointer equality tests) and useful for reasoning 2454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// about whether something has a particular form (e.g. is a function type), 2464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// because they implicitly, recursively, strip all typedefs out of a type. 2474b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 2484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// Types, once created, are immutable. 2494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 2504b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass Type { 2514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 2524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner enum TypeClass { 2534fa58905062efa6a12137b1983a1367220182a20Douglas Gregor#define TYPE(Class, Base) Class, 2544fa58905062efa6a12137b1983a1367220182a20Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 2554fa58905062efa6a12137b1983a1367220182a20Douglas Gregor#include "clang/AST/TypeNodes.def" 2564fa58905062efa6a12137b1983a1367220182a20Douglas Gregor TagFirst = Record, TagLast = Enum 2574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner }; 258af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian 2594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprivate: 2604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType CanonicalType; 2614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2621b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 2631b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor bool Dependent : 1; 2641b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 2654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 2664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// Note that this should stay at the end of the ivars for Type so that 2674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// subclasses can pack their bitfields into the same word. 2682a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb unsigned TC : 5; 2691b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 2704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprotected: 2717c6f0c755e48a2782bc0a0a4cfc63dc84e0f11d5Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 2727c6f0c755e48a2782bc0a0a4cfc63dc84e0f11d5Hartmut Kaiser Type *this_() { return this; } 2731b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor Type(TypeClass tc, QualType Canonical, bool dependent) 27435fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner : CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical), 2751b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor Dependent(dependent), TC(tc) {} 2761b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor virtual ~Type() {} 277db4d5970d9243fb699f250f74eab6b7cce901a40Ted Kremenek virtual void Destroy(ASTContext& C); 2784b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; 27978f138f44886abc5ab7fc1551d501308f1846d80Ted Kremenek 28078f138f44886abc5ab7fc1551d501308f1846d80Ted Kremenek void EmitTypeInternal(llvm::Serializer& S) const; 28178f138f44886abc5ab7fc1551d501308f1846d80Ted Kremenek void ReadTypeInternal(llvm::Deserializer& D); 28278f138f44886abc5ab7fc1551d501308f1846d80Ted Kremenek 2834b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 28492803daaa6a40a3899c2e599bddc42732c2ce593Hartmut Kaiser TypeClass getTypeClass() const { return static_cast<TypeClass>(TC); } 2854b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2864b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isCanonical() const { return CanonicalType.getTypePtr() == this; } 2874b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2884b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 2894b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// object types, function types, and incomplete types. 2904b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2914b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isObjectType - types that fully describe objects. An object is a region 2924b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// of memory that can be examined and stored into (H&S). 2934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isObjectType() const; 2944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2954b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isIncompleteType - Return true if this is an incomplete type. 2964b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// A type that can describe objects, but which lacks information needed to 2974b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// determine its size (e.g. void, or a fwd declared struct). Clients of this 2984b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// routine will need to determine if the size is actually required. 2994b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isIncompleteType() const; 3009db553e9ffdcd7c9fbd2fa6cf70646370e589159Chris Lattner 3019db553e9ffdcd7c9fbd2fa6cf70646370e589159Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 3029db553e9ffdcd7c9fbd2fa6cf70646370e589159Chris Lattner /// type, in other words, not a function type. 3039db553e9ffdcd7c9fbd2fa6cf70646370e589159Chris Lattner bool isIncompleteOrObjectType() const { 3049db553e9ffdcd7c9fbd2fa6cf70646370e589159Chris Lattner return !isFunctionType(); 3059db553e9ffdcd7c9fbd2fa6cf70646370e589159Chris Lattner } 30639c0f6f69727c07a1b87605c54f14b86f8189194Sebastian Redl 30739c0f6f69727c07a1b87605c54f14b86f8189194Sebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 30839c0f6f69727c07a1b87605c54f14b86f8189194Sebastian Redl bool isPODType() const; 30939c0f6f69727c07a1b87605c54f14b86f8189194Sebastian Redl 3105eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff /// isVariablyModifiedType (C99 6.7.5.2p2) - Return true for variable array 3115eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff /// types that have a non-constant expression. This does not include "[]". 3125eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff bool isVariablyModifiedType() const; 3135eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff 3144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// Helper methods to distinguish type categories. All type predicates 3152a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 316c61a8003b2c69add9fca0ec5064b47251f47c90cDaniel Dunbar 317c61a8003b2c69add9fca0ec5064b47251f47c90cDaniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 318c61a8003b2c69add9fca0ec5064b47251f47c90cDaniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 3198888c7acd5cd43c7f910bfe03f5979ed4011de2aSteve Naroff 3208888c7acd5cd43c7f910bfe03f5979ed4011de2aSteve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 3218888c7acd5cd43c7f910bfe03f5979ed4011de2aSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 3224b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 3238d3b170e5cb1700b5cbd227182bc29ca0d16819dSteve Naroff bool isEnumeralType() const; 3248d3b170e5cb1700b5cbd227182bc29ca0d16819dSteve Naroff bool isBooleanType() const; 3258d3b170e5cb1700b5cbd227182bc29ca0d16819dSteve Naroff bool isCharType() const; 3261815b3bfc1382c88bee771bd158755b2426f0780Douglas Gregor bool isWideCharType() const; 327c81f316d260b8b8b9da21a0f9a22baa334e063fbFariborz Jahanian bool isIntegralType() const; 3284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// Floating point categories. 3304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 3314300121ffff80d4b23d17689930e2aa2a83086b9Steve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 3324300121ffff80d4b23d17689930e2aa2a83086b9Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 3334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isComplexType() const; // C99 6.2.5p11 (complex) 3343277df47de6b65b55721726dc3f7b294e70ef6feChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 3354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 3364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 3374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 338e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isVoidType() const; // C99 6.2.5p19 339e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isDerivedType() const; // C99 6.2.5p20 340e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 341e7ef500151147ba851db502fc4d36319f863db80Douglas Gregor bool isAggregateType() const; 3424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 343e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner // Type Predicates: Check to see if this type is structurally the specified 3442a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb // type, ignoring typedefs and qualifiers. 345e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isFunctionType() const; 3467931f4a186bc76b21dd4629ee74d64264a7fb8a2Chris Lattner bool isPointerType() const; 3477aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff bool isBlockPointerType() const; 348f0c4a0a830c9154b1ae72e497c2ce586c10e9b71Chris Lattner bool isReferenceType() const; 349ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl bool isLValueReferenceType() const; 350ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl bool isRValueReferenceType() const; 351cfac88de7de7d970a2436af939ea87c0e5a9cf9fChris Lattner bool isFunctionPointerType() const; 3527555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl bool isMemberPointerType() const; 3537555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl bool isMemberFunctionPointerType() const; 354e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isArrayType() const; 355a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner bool isConstantArrayType() const; 356a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner bool isIncompleteArrayType() const; 357a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner bool isVariableArrayType() const; 3581b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor bool isDependentSizedArrayType() const; 359e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isRecordType() const; 3602e78db3510b136b3f961af202e6a1a3df4839172Chris Lattner bool isClassType() const; 361e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isStructureType() const; 36236e35e652e28cbdffbeda8cc3362888357ec7173Steve Naroff bool isUnionType() const; 363b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 364b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner bool isVectorType() const; // GCC vector type. 365af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman bool isExtVectorType() const; // Extended vector type. 366b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner bool isObjCInterfaceType() const; // NSString or NSString<foo> 367b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 368b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner bool isObjCQualifiedIdType() const; // id<foo> 369dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 3701b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 3711b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 3721b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// that its definition somehow depends on a template parameter 3731b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// (C++ [temp.dep.type]). 3741b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor bool isDependentType() const { return Dependent; } 37500fe3f63604d2be2fafbf42fe5df0795d7d29116Douglas Gregor bool isOverloadableType() const; 376dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor 377fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 378fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 379fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 380fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar /// interface types. 381fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar bool hasPointerRepresentation() const; 382fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar 3837c0c17b528295299020428f583a480a6dcb4c7e0Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 3847c0c17b528295299020428f583a480a6dcb4c7e0Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 3857c0c17b528295299020428f583a480a6dcb4c7e0Fariborz Jahanian bool hasObjCPointerRepresentation() const; 3867c0c17b528295299020428f583a480a6dcb4c7e0Fariborz Jahanian 387e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner // Type Checking Functions: Check to see if this type is structurally the 38835fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 38935fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner // the best type we can. 3907555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl const BuiltinType *getAsBuiltinType() const; 3917555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl const FunctionType *getAsFunctionType() const; 3924fa58905062efa6a12137b1983a1367220182a20Douglas Gregor const FunctionNoProtoType *getAsFunctionNoProtoType() const; 3934fa58905062efa6a12137b1983a1367220182a20Douglas Gregor const FunctionProtoType *getAsFunctionProtoType() const; 3947931f4a186bc76b21dd4629ee74d64264a7fb8a2Chris Lattner const PointerType *getAsPointerType() const; 3957aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff const BlockPointerType *getAsBlockPointerType() const; 396f0c4a0a830c9154b1ae72e497c2ce586c10e9b71Chris Lattner const ReferenceType *getAsReferenceType() const; 397ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl const LValueReferenceType *getAsLValueReferenceType() const; 398ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl const RValueReferenceType *getAsRValueReferenceType() const; 3997555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl const MemberPointerType *getAsMemberPointerType() const; 4009c7825b737617339724d43bd04960852271f08e2Douglas Gregor const TagType *getAsTagType() const; 401e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner const RecordType *getAsRecordType() const; 4025c45be48e6125c5981ad48708dc7e8267bace63aTed Kremenek const RecordType *getAsStructureType() const; 4031b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 4045c45be48e6125c5981ad48708dc7e8267bace63aTed Kremenek const TypedefType *getAsTypedefType() const; 405e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner const RecordType *getAsUnionType() const; 4060832dbca0e11ee020bbed181c515b3835158436eEli Friedman const EnumType *getAsEnumType() const; 407e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner const VectorType *getAsVectorType() const; // GCC vector type. 4087a85fa1ba94c9f4cf960463dd3eb444ef6f89446Chris Lattner const ComplexType *getAsComplexType() const; 40936e35e652e28cbdffbeda8cc3362888357ec7173Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 410af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman const ExtVectorType *getAsExtVectorType() const; // Extended vector type. 411b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner const ObjCInterfaceType *getAsObjCInterfaceType() const; 412b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner const ObjCQualifiedInterfaceType *getAsObjCQualifiedInterfaceType() const; 413b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner const ObjCQualifiedIdType *getAsObjCQualifiedIdType() const; 414dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor const TemplateTypeParmType *getAsTemplateTypeParmType() const; 415dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor 4168e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor const ClassTemplateSpecializationType * 4177e50826d3559f284eee6659f0aa159c68f504b34Douglas Gregor getAsClassTemplateSpecializationType() const; 4188e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 419f914765ba1d70f599fa69bde38b8646c02d9b1aaChris Lattner /// getAsPointerToObjCInterfaceType - If this is a pointer to an ObjC 420f914765ba1d70f599fa69bde38b8646c02d9b1aaChris Lattner /// interface, return the interface type, otherwise return null. 421f914765ba1d70f599fa69bde38b8646c02d9b1aaChris Lattner const ObjCInterfaceType *getAsPointerToObjCInterfaceType() const; 422f914765ba1d70f599fa69bde38b8646c02d9b1aaChris Lattner 423a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 424a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner /// element type of the array, potentially with type qualifiers missing. 425a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner /// This method should never be used when type qualifiers are meaningful. 426a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 427a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner 4282afc72b0b6b3d2f44ca2576c98d307310d556983Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 4295c45be48e6125c5981ad48708dc7e8267bace63aTed Kremenek /// the type. This takes off typedefs, typeof's etc. If the outer level of 4302afc72b0b6b3d2f44ca2576c98d307310d556983Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 4312afc72b0b6b3d2f44ca2576c98d307310d556983Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 4322ea769b494649b5ca4864acf154f2fedc7718029Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 4332afc72b0b6b3d2f44ca2576c98d307310d556983Chris Lattner /// concrete. 434a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner QualType getDesugaredType() const; 4352afc72b0b6b3d2f44ca2576c98d307310d556983Chris Lattner 4364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// More type predicates useful for type checking/promotion 4374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isPromotableIntegerType() const; // C99 6.3.1.1p2 4384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isSignedIntegerType - Return true if this is an integer type that is 440bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 441bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 442bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// integer element type. 4434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isSignedIntegerType() const; 4444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isUnsignedIntegerType - Return true if this is an integer type that is 446bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 447bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 448bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// element type. 4494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isUnsignedIntegerType() const; 450bbe686be29157b575e53fbed328613117b525f26Chris Lattner 4514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isConstantSizeType - Return true if this is not a variable sized type, 4520448b4f2fecceebc0bddd67fe0f2c89afe604fdfChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 4530448b4f2fecceebc0bddd67fe0f2c89afe604fdfChris Lattner /// incomplete types. 45462f67fd7f670f1a8b222c6565b257c05e8e80faeEli Friedman bool isConstantSizeType() const; 455a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner 4564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getCanonicalTypeInternal() const { return CanonicalType; } 457a55e321bd645398b514e246981c04a4889ee2472Chris Lattner void dump() const; 4584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const = 0; 4594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *) { return true; } 460034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek 461034a78cafc3505323698ea72db19dc5095324e06Ted Kremenekprotected: 462034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek /// Emit - Emit a Type to bitcode. Used by ASTContext. 463034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek void Emit(llvm::Serializer& S) const; 464034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek 465034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek /// Create - Construct a Type from bitcode. Used by ASTContext. 466034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek static void Create(ASTContext& Context, unsigned i, llvm::Deserializer& S); 467034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek 468034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek /// EmitImpl - Subclasses must implement this method in order to 469034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek /// be serialized. 4709c7fd1e1ad0ec0c483560c9a9daeda23c3772055Daniel Dunbar // FIXME: Make this abstract once implemented. 4719c7fd1e1ad0ec0c483560c9a9daeda23c3772055Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const { 472126949ecf2a1051fa3271b42936129ea0299be99Gabor Greif assert(false && "Serialization for type not supported."); 4739c7fd1e1ad0ec0c483560c9a9daeda23c3772055Daniel Dunbar } 4744b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 4754b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 476b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanian/// ExtQualType - TR18037 (C embedded extensions) 6.2.5p26 477b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanian/// This supports all kinds of type attributes; including, 478b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanian/// address space qualified types, objective-c's __weak and 479b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanian/// __strong attributes. 4802a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb/// 481b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanianclass ExtQualType : public Type, public llvm::FoldingSetNode { 48235fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner /// BaseType - This is the underlying type that this qualifies. All CVR 48335fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner /// qualifiers are stored on the QualType that references this type, so we 48435fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner /// can't have any here. 48535fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner Type *BaseType; 486dae66edc49dc2ebbb32377e33012fc3a168c5a4eFariborz Jahanian 4872a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb /// Address Space ID - The address space ID this type is qualified with. 4882a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb unsigned AddressSpace; 489dae66edc49dc2ebbb32377e33012fc3a168c5a4eFariborz Jahanian /// GC __weak/__strong attributes 490af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian QualType::GCAttrTypes GCAttrType; 491dae66edc49dc2ebbb32377e33012fc3a168c5a4eFariborz Jahanian 492dae66edc49dc2ebbb32377e33012fc3a168c5a4eFariborz Jahanian ExtQualType(Type *Base, QualType CanonicalPtr, unsigned AddrSpace, 493af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian QualType::GCAttrTypes gcAttr) : 49418b5a9a3396fa4bb6630c5bea19399b101aa3043Chris Lattner Type(ExtQual, CanonicalPtr, Base->isDependentType()), BaseType(Base), 49518b5a9a3396fa4bb6630c5bea19399b101aa3043Chris Lattner AddressSpace(AddrSpace), GCAttrType(gcAttr) { 49618b5a9a3396fa4bb6630c5bea19399b101aa3043Chris Lattner assert(!isa<ExtQualType>(BaseType) && 49718b5a9a3396fa4bb6630c5bea19399b101aa3043Chris Lattner "Cannot have ExtQualType of ExtQualType"); 49818b5a9a3396fa4bb6630c5bea19399b101aa3043Chris Lattner } 4992a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb friend class ASTContext; // ASTContext creates these. 5002a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lambpublic: 50135fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner Type *getBaseType() const { return BaseType; } 502af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian QualType::GCAttrTypes getObjCGCAttr() const { return GCAttrType; } 5031e124fe3e31ab37c45b6fbe6a8075e987fc04408Fariborz Jahanian unsigned getAddressSpace() const { return AddressSpace; } 5042a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb 5052a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb virtual void getAsStringInternal(std::string &InnerString) const; 5062a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb 5072a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb void Profile(llvm::FoldingSetNodeID &ID) { 5081e124fe3e31ab37c45b6fbe6a8075e987fc04408Fariborz Jahanian Profile(ID, getBaseType(), AddressSpace, GCAttrType); 5092a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb } 51035fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, Type *Base, 511af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian unsigned AddrSpace, QualType::GCAttrTypes gcAttr) { 51235fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner ID.AddPointer(Base); 5132a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb ID.AddInteger(AddrSpace); 5141e124fe3e31ab37c45b6fbe6a8075e987fc04408Fariborz Jahanian ID.AddInteger(gcAttr); 5152a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb } 5162a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb 517b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanian static bool classof(const Type *T) { return T->getTypeClass() == ExtQual; } 518b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanian static bool classof(const ExtQualType *) { return true; } 5192a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb 5202a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lambprotected: 5212a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb virtual void EmitImpl(llvm::Serializer& S) const; 5222a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb static Type* CreateImpl(ASTContext& Context,llvm::Deserializer& D); 5232a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb friend class Type; 5242a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb}; 5252a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb 5262a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb 5274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// BuiltinType - This class is used for builtin types like 'int'. Builtin 5284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// types are always canonical and have a literal name field. 5294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass BuiltinType : public Type { 5304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 5314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner enum Kind { 5324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Void, 5334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Bool, // This is bool and/or _Bool. 5354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Char_U, // This is 'char' for targets where char is unsigned. 5364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner UChar, // This is explicitly qualified unsigned char. 5374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner UShort, 5384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner UInt, 5394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ULong, 5404b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ULongLong, 5414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Char_S, // This is 'char' for targets where char is signed. 5434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner SChar, // This is explicitly qualified signed char. 54485bd81edce4057156d7f49408147f07daa675096Argiris Kirtzidis WChar, // This is 'wchar_t' for C++. 5454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Short, 5464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Int, 5474b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Long, 5484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner LongLong, 5494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 550d2baafd07bc5c7679a6f1f10e5587a95842ffa15Douglas Gregor Float, Double, LongDouble, 551d2baafd07bc5c7679a6f1f10e5587a95842ffa15Douglas Gregor 5521b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor Overload, // This represents the type of an overloaded function declaration. 5531b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor Dependent // This represents the type of a type-dependent expression. 5544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner }; 5554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprivate: 5564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Kind TypeKind; 5574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 5581b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor BuiltinType(Kind K) 5591b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent)), 5601b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor TypeKind(K) {} 5614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Kind getKind() const { return TypeKind; } 5634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner const char *getName() const; 5644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 5664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 5684b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const BuiltinType *) { return true; } 5694b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 5704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 571ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman/// FixedWidthIntType - Used for arbitrary width types that we either don't 572ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman/// want to or can't map to named integer types. These always have a lower 573ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman/// integer rank than builtin types of the same width. 574ff3fcdf47370a4577d971a2adefd259807152078Eli Friedmanclass FixedWidthIntType : public Type { 575ff3fcdf47370a4577d971a2adefd259807152078Eli Friedmanprivate: 576ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman unsigned Width; 577ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman bool Signed; 578ff3fcdf47370a4577d971a2adefd259807152078Eli Friedmanpublic: 579ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman FixedWidthIntType(unsigned W, bool S) : Type(FixedWidthInt, QualType(), false), 580ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman Width(W), Signed(S) {} 581ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman 582ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman unsigned getWidth() const { return Width; } 583ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman bool isSigned() const { return Signed; } 584ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman const char *getName() const; 585ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman 586ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman virtual void getAsStringInternal(std::string &InnerString) const; 587ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman 588ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman static bool classof(const Type *T) { return T->getTypeClass() == FixedWidthInt; } 589ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman static bool classof(const FixedWidthIntType *) { return true; } 590ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman}; 591ff3fcdf47370a4577d971a2adefd259807152078Eli Friedman 5924b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 5934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// types (_Complex float etc) as well as the GCC integer complex extensions. 5944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 5954b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass ComplexType : public Type, public llvm::FoldingSetNode { 5964b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType ElementType; 5974b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ComplexType(QualType Element, QualType CanonicalPtr) : 5981b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType()), 5991b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor ElementType(Element) { 6004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6014b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 6024b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 6034b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getElementType() const { return ElementType; } 6044b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 606034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek 6074b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID) { 6084b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Profile(ID, getElementType()); 6094b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6104b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 6114b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddPointer(Element.getAsOpaquePtr()); 6124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6134b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 6154b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const ComplexType *) { return true; } 61678f138f44886abc5ab7fc1551d501308f1846d80Ted Kremenek 617034a78cafc3505323698ea72db19dc5095324e06Ted Kremenekprotected: 618034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 619034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek static Type* CreateImpl(ASTContext& Context,llvm::Deserializer& D); 620034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek friend class Type; 6214b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 6224b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 623554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 624cfac88de7de7d970a2436af939ea87c0e5a9cf9fChris Lattner/// 625554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 626cfac88de7de7d970a2436af939ea87c0e5a9cf9fChris Lattner QualType PointeeType; 6274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner PointerType(QualType Pointee, QualType CanonicalPtr) : 629554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbar Type(Pointer, CanonicalPtr, Pointee->isDependentType()), PointeeType(Pointee) { 6304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 6324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 6334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 6354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 636554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 637554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbar 6384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID) { 6394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Profile(ID, getPointeeType()); 6404b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 6424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddPointer(Pointee.getAsOpaquePtr()); 6434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 6464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const PointerType *) { return true; } 647034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek 648034a78cafc3505323698ea72db19dc5095324e06Ted Kremenekprotected: 649034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 650034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek static Type* CreateImpl(ASTContext& Context,llvm::Deserializer& D); 651034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek friend class Type; 6524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 6534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6547aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff/// BlockPointerType - pointer to a block type. 6557aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff/// This type is to represent types syntactically represented as 6567aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 6577aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff/// 6587aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 6597aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 6607aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 6611b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType()), 6621b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor PointeeType(Pointee) { 6637aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff } 6647aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff friend class ASTContext; // ASTContext creates these. 6657aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroffpublic: 6667aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff 6677aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 6687aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff QualType getPointeeType() const { return PointeeType; } 6697aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff 6707aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 6717aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff 6727aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 6737aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff Profile(ID, getPointeeType()); 6747aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff } 6757aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 6767aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 6777aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff } 6787aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff 6797aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff static bool classof(const Type *T) { 6807aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff return T->getTypeClass() == BlockPointer; 6817aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff } 6827aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 6837aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff 6847aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff protected: 6857aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff virtual void EmitImpl(llvm::Serializer& S) const; 6867aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff static Type* CreateImpl(ASTContext& Context,llvm::Deserializer& D); 6877aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff friend class Type; 6887aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff}; 6897aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff 690ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 6914b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 692554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 693554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbar QualType PointeeType; 694554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbar 695ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redlprotected: 696ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef) : 697ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl Type(tc, CanonicalRef, Referencee->isDependentType()), 698554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbar PointeeType(Referencee) { 6994b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 7004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 701554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 702554af94c53e3a182233fc4fb0f374a9eb3ae6bf6Daniel Dunbar 7034b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID) { 704cfac88de7de7d970a2436af939ea87c0e5a9cf9fChris Lattner Profile(ID, getPointeeType()); 7054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 7064b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType Referencee) { 7074b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddPointer(Referencee.getAsOpaquePtr()); 7084b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 7094b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 710ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl static bool classof(const Type *T) { 711ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl return T->getTypeClass() == LValueReference || 712ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl T->getTypeClass() == RValueReference; 713ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl } 7144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const ReferenceType *) { return true; } 7157555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl 7167555503bb5f08651638f269c44c15bb425d10c5eSebastian Redlprotected: 7177555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl virtual void EmitImpl(llvm::Serializer& S) const; 718ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl}; 719ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl 720ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 721ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl/// 722ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redlclass LValueReferenceType : public ReferenceType { 723ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl LValueReferenceType(QualType Referencee, QualType CanonicalRef) : 724ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl ReferenceType(LValueReference, Referencee, CanonicalRef) { 725ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl } 726ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl friend class ASTContext; // ASTContext creates these 727ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redlpublic: 728ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl virtual void getAsStringInternal(std::string &InnerString) const; 729ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl 730ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl static bool classof(const Type *T) { 731ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl return T->getTypeClass() == LValueReference; 732ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl } 733ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 734ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl 735ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redlprotected: 736ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl static Type* CreateImpl(ASTContext& Context, llvm::Deserializer& D); 737ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl friend class Type; 738ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl}; 739ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl 740ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 741ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl/// 742ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redlclass RValueReferenceType : public ReferenceType { 743ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 744ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl ReferenceType(RValueReference, Referencee, CanonicalRef) { 745ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl } 746ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl friend class ASTContext; // ASTContext creates these 747ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redlpublic: 748ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl virtual void getAsStringInternal(std::string &InnerString) const; 749ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl 750ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl static bool classof(const Type *T) { 751ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl return T->getTypeClass() == RValueReference; 752ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl } 753ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 754ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl 755ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redlprotected: 7567555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl static Type* CreateImpl(ASTContext& Context, llvm::Deserializer& D); 7577555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl friend class Type; 7587555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl}; 7597555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl 7607555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 7617555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl/// 7627555503bb5f08651638f269c44c15bb425d10c5eSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 7637555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl QualType PointeeType; 7647555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 7657555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 7667555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl const Type *Class; 7677555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl 7687555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 7697555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl Type(MemberPointer, CanonicalPtr, 7707555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl Cls->isDependentType() || Pointee->isDependentType()), 7717555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl PointeeType(Pointee), Class(Cls) { 7727555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl } 7737555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl friend class ASTContext; // ASTContext creates these. 7747555503bb5f08651638f269c44c15bb425d10c5eSebastian Redlpublic: 7757555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl 7767555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl QualType getPointeeType() const { return PointeeType; } 7777555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl 7787555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl const Type *getClass() const { return Class; } 7797555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl 7807555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl virtual void getAsStringInternal(std::string &InnerString) const; 7817555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl 7827555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 7837555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl Profile(ID, getPointeeType(), getClass()); 7847555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl } 7857555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 7867555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl const Type *Class) { 7877555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 7887555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl ID.AddPointer(Class); 7897555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl } 7907555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl 7917555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl static bool classof(const Type *T) { 7927555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl return T->getTypeClass() == MemberPointer; 7937555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl } 7947555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl static bool classof(const MemberPointerType *) { return true; } 7957555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl 7967555503bb5f08651638f269c44c15bb425d10c5eSebastian Redlprotected: 7977555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl virtual void EmitImpl(llvm::Serializer& S) const; 7987555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl static Type* CreateImpl(ASTContext& Context, llvm::Deserializer& D); 7997555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl friend class Type; 8004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 8014b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8024b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// ArrayType - C99 6.7.5.2 - Array Declarators. 8034b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 804c8253192b917a5684717c58f4032e0891d089b00Ted Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 8054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 8064b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 8071b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 8081b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// with a star size (e.g. int X[*]). 8091b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// 'static' is only allowed on function parameters. 8104b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner enum ArraySizeModifier { 8114b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Normal, Static, Star 8124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner }; 8134b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprivate: 81483c13010359c33354c581acee65d0c986a75247eSteve Naroff /// ElementType - The element type of the array. 81583c13010359c33354c581acee65d0c986a75247eSteve Naroff QualType ElementType; 81624c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff 817dbd96b23eae3784172d91cfb086abb8ca732f92eTed Kremenek // NOTE: VC++ treats enums as signed, avoid using the ArraySizeModifier enum 81824c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff /// NOTE: These fields are packed into the bitfields space in the Type class. 819dbd96b23eae3784172d91cfb086abb8ca732f92eTed Kremenek unsigned SizeModifier : 2; 82024c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff 82124c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff /// IndexTypeQuals - Capture qualifiers in declarations like: 82224c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff /// 'int X[static restrict 4]'. For function parameters only. 82324c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff unsigned IndexTypeQuals : 3; 82424c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff 82583c13010359c33354c581acee65d0c986a75247eSteve Naroffprotected: 8261b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor // C++ [temp.dep.type]p1: 8271b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor // A type is dependent if it is... 8281b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor // - an array type constructed from any dependent type or whose 8291b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor // size is specified by a constant expression that is 8301b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor // value-dependent, 83124c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 83224c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ArraySizeModifier sm, unsigned tq) 8331b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray), 8341b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor ElementType(et), SizeModifier(sm), IndexTypeQuals(tq) {} 8351b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 83683c13010359c33354c581acee65d0c986a75247eSteve Naroff friend class ASTContext; // ASTContext creates these. 83783c13010359c33354c581acee65d0c986a75247eSteve Naroffpublic: 83883c13010359c33354c581acee65d0c986a75247eSteve Naroff QualType getElementType() const { return ElementType; } 839dbd96b23eae3784172d91cfb086abb8ca732f92eTed Kremenek ArraySizeModifier getSizeModifier() const { 840dbd96b23eae3784172d91cfb086abb8ca732f92eTed Kremenek return ArraySizeModifier(SizeModifier); 841dbd96b23eae3784172d91cfb086abb8ca732f92eTed Kremenek } 84224c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff unsigned getIndexTypeQualifier() const { return IndexTypeQuals; } 84383c13010359c33354c581acee65d0c986a75247eSteve Naroff 84483c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const Type *T) { 84583c13010359c33354c581acee65d0c986a75247eSteve Naroff return T->getTypeClass() == ConstantArray || 8468ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman T->getTypeClass() == VariableArray || 8471b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor T->getTypeClass() == IncompleteArray || 8481b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor T->getTypeClass() == DependentSizedArray; 84983c13010359c33354c581acee65d0c986a75247eSteve Naroff } 85083c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const ArrayType *) { return true; } 85183c13010359c33354c581acee65d0c986a75247eSteve Naroff}; 85283c13010359c33354c581acee65d0c986a75247eSteve Naroff 85356846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// ConstantArrayType - This class represents C arrays with a specified constant 85456846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// size. For example 'int A[100]' has ConstantArrayType where the element type 85556846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// is 'int' and the size is 100. 856c8253192b917a5684717c58f4032e0891d089b00Ted Kremenekclass ConstantArrayType : public ArrayType { 85783c13010359c33354c581acee65d0c986a75247eSteve Naroff llvm::APInt Size; // Allows us to unique the type. 85883c13010359c33354c581acee65d0c986a75247eSteve Naroff 8593f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 86024c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ArraySizeModifier sm, unsigned tq) 8613f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner : ArrayType(ConstantArray, et, can, sm, tq), Size(size) {} 86283c13010359c33354c581acee65d0c986a75247eSteve Naroff friend class ASTContext; // ASTContext creates these. 86383c13010359c33354c581acee65d0c986a75247eSteve Naroffpublic: 864a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner const llvm::APInt &getSize() const { return Size; } 86583c13010359c33354c581acee65d0c986a75247eSteve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 86683c13010359c33354c581acee65d0c986a75247eSteve Naroff 86783c13010359c33354c581acee65d0c986a75247eSteve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 8683f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner Profile(ID, getElementType(), getSize(), 8693f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner getSizeModifier(), getIndexTypeQualifier()); 87083c13010359c33354c581acee65d0c986a75247eSteve Naroff } 87183c13010359c33354c581acee65d0c986a75247eSteve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 8723f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 8733f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner unsigned TypeQuals) { 87483c13010359c33354c581acee65d0c986a75247eSteve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 87583c13010359c33354c581acee65d0c986a75247eSteve Naroff ID.AddInteger(ArraySize.getZExtValue()); 8763f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner ID.AddInteger(SizeMod); 8773f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner ID.AddInteger(TypeQuals); 87883c13010359c33354c581acee65d0c986a75247eSteve Naroff } 87983c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const Type *T) { 88083c13010359c33354c581acee65d0c986a75247eSteve Naroff return T->getTypeClass() == ConstantArray; 88183c13010359c33354c581acee65d0c986a75247eSteve Naroff } 88283c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const ConstantArrayType *) { return true; } 8834234c1b1a9c858b005f4ad7dc85908b63adcafddTed Kremenek 8844234c1b1a9c858b005f4ad7dc85908b63adcafddTed Kremenekprotected: 8854234c1b1a9c858b005f4ad7dc85908b63adcafddTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 8864234c1b1a9c858b005f4ad7dc85908b63adcafddTed Kremenek static Type* CreateImpl(ASTContext& Context, llvm::Deserializer& D); 8874234c1b1a9c858b005f4ad7dc85908b63adcafddTed Kremenek friend class Type; 88883c13010359c33354c581acee65d0c986a75247eSteve Naroff}; 88983c13010359c33354c581acee65d0c986a75247eSteve Naroff 89056846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 89156846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 89256846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// type is 'int' and the size is unspecified. 8938ff077864feed2c2b75424d37724f60e56d5a597Eli Friedmanclass IncompleteArrayType : public ArrayType { 8948ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman IncompleteArrayType(QualType et, QualType can, 8958ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman ArraySizeModifier sm, unsigned tq) 8968ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman : ArrayType(IncompleteArray, et, can, sm, tq) {} 8978ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman friend class ASTContext; // ASTContext creates these. 8988ff077864feed2c2b75424d37724f60e56d5a597Eli Friedmanpublic: 8998ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman 9008ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman virtual void getAsStringInternal(std::string &InnerString) const; 9018ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman 9028ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman static bool classof(const Type *T) { 9038ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman return T->getTypeClass() == IncompleteArray; 9048ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman } 9058ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 9068ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman 9078ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman friend class StmtIteratorBase; 9088ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman 9098ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 9103f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner Profile(ID, getElementType(), getSizeModifier(), getIndexTypeQualifier()); 9118ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman } 9128ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman 9133f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 9143f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 9158ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 9163f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner ID.AddInteger(SizeMod); 9173f7a8f19e231b74ff3d94754b420ea4eb2107afdChris Lattner ID.AddInteger(TypeQuals); 9188ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman } 9198ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman 9208ff077864feed2c2b75424d37724f60e56d5a597Eli Friedmanprotected: 9218ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman virtual void EmitImpl(llvm::Serializer& S) const; 9228ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman static Type* CreateImpl(ASTContext& Context,llvm::Deserializer& D); 9238ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman friend class Type; 9248ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman}; 9258ff077864feed2c2b75424d37724f60e56d5a597Eli Friedman 92656846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 92756846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 92856846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 92956846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// 93056846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 93156846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// should not be: two lexically equivalent variable array types could mean 93256846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// different things, for example, these variables do not have the same type 93356846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// dynamically: 93456846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// 93556846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// void foo(int x) { 93656846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// int Y[x]; 93756846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// ++x; 93856846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// int Z[x]; 93956846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// } 94056846f2ed2594f49d78eee3645482a5e77d5e236Chris Lattner/// 941c8253192b917a5684717c58f4032e0891d089b00Ted Kremenekclass VariableArrayType : public ArrayType { 94283c13010359c33354c581acee65d0c986a75247eSteve Naroff /// SizeExpr - An assignment expression. VLA's are only permitted within 94383c13010359c33354c581acee65d0c986a75247eSteve Naroff /// a function block. 944718b6638e0d259d1b8371ef30e475e9c2e981ffcTed Kremenek Stmt *SizeExpr; 9454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 94624c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 94724c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ArraySizeModifier sm, unsigned tq) 948718b6638e0d259d1b8371ef30e475e9c2e981ffcTed Kremenek : ArrayType(VariableArray, et, can, sm, tq), SizeExpr((Stmt*) e) {} 9494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 950db4d5970d9243fb699f250f74eab6b7cce901a40Ted Kremenek virtual void Destroy(ASTContext& C); 951db4d5970d9243fb699f250f74eab6b7cce901a40Ted Kremenek 9524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 953a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner Expr *getSizeExpr() const { 954718b6638e0d259d1b8371ef30e475e9c2e981ffcTed Kremenek // We use C-style casts instead of cast<> here because we do not wish 955718b6638e0d259d1b8371ef30e475e9c2e981ffcTed Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 956718b6638e0d259d1b8371ef30e475e9c2e981ffcTed Kremenek return (Expr*) SizeExpr; 957718b6638e0d259d1b8371ef30e475e9c2e981ffcTed Kremenek } 9584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 9594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 9604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 96183c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const Type *T) { 96283c13010359c33354c581acee65d0c986a75247eSteve Naroff return T->getTypeClass() == VariableArray; 9634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 96483c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const VariableArrayType *) { return true; } 96527a32d6f18844a97446d6e2002bf181da591332aTed Kremenek 966fce813e3159a67a57a03cdca45ac4e10d4cffac3Ted Kremenek friend class StmtIteratorBase; 9673793e1ab25169c0d5be43f3abe2b4dc92989c043Ted Kremenek 9683793e1ab25169c0d5be43f3abe2b4dc92989c043Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 9697029ee3fdeee514a79eafb2508723d27c97fe158Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 9703793e1ab25169c0d5be43f3abe2b4dc92989c043Ted Kremenek } 9715cde3834f43c0946ec8debfda9c6fb588b6b33fdTed Kremenek 9725cde3834f43c0946ec8debfda9c6fb588b6b33fdTed Kremenekprotected: 9735cde3834f43c0946ec8debfda9c6fb588b6b33fdTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 9745cde3834f43c0946ec8debfda9c6fb588b6b33fdTed Kremenek static Type* CreateImpl(ASTContext& Context,llvm::Deserializer& D); 9755cde3834f43c0946ec8debfda9c6fb588b6b33fdTed Kremenek friend class Type; 9764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 9774b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 9781b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// DependentSizedArrayType - This type represents an array type in 9791b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// C++ whose size is a value-dependent expression. For example: 9801b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// @code 9811b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// template<typename T, int Size> 9821b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// class array { 9831b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// T data[Size]; 9841b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// }; 9851b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// @endcode 9861b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// For these types, we won't actually know what the array bound is 9871b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// until template instantiation occurs, at which point this will 9881b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 9891b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregorclass DependentSizedArrayType : public ArrayType { 9901b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// SizeExpr - An assignment expression that will instantiate to the 9911b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// size of the array. 9921b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor Stmt *SizeExpr; 9931b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 9941b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor DependentSizedArrayType(QualType et, QualType can, Expr *e, 9951b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor ArraySizeModifier sm, unsigned tq) 9961b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor : ArrayType(DependentSizedArray, et, can, sm, tq), SizeExpr((Stmt*) e) {} 9971b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor friend class ASTContext; // ASTContext creates these. 9981b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor virtual void Destroy(ASTContext& C); 9991b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 10001b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregorpublic: 10011b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor Expr *getSizeExpr() const { 10021b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor // We use C-style casts instead of cast<> here because we do not wish 10031b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 10041b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor return (Expr*) SizeExpr; 10051b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor } 10061b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 10071b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor virtual void getAsStringInternal(std::string &InnerString) const; 10081b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 10091b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor static bool classof(const Type *T) { 10101b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor return T->getTypeClass() == DependentSizedArray; 10111b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor } 10121b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 10131b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 10141b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor friend class StmtIteratorBase; 10151b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 10161b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 10177029ee3fdeee514a79eafb2508723d27c97fe158Chris Lattner assert(0 && "Cannnot unique DependentSizedArrayTypes."); 10181b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor } 10191b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 10201b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregorprotected: 10211b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor virtual void EmitImpl(llvm::Serializer& S) const; 10221b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor static Type* CreateImpl(ASTContext& Context,llvm::Deserializer& D); 10231b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor friend class Type; 10241b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor}; 10251b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 10264b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// VectorType - GCC generic vector type. This type is created using 10274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// __attribute__((vector_size(n)), where "n" specifies the vector size in 10284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// bytes. Since the constructor takes the number of vector elements, the 10294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// client is responsible for converting the size into the number of elements. 10304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass VectorType : public Type, public llvm::FoldingSetNode { 10314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprotected: 10324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// ElementType - The element type of the vector. 10334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType ElementType; 10344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 10354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// NumElements - The number of elements in the vector. 10364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned NumElements; 10374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 10384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner VectorType(QualType vecType, unsigned nElements, QualType canonType) : 10391b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor Type(Vector, canonType, vecType->isDependentType()), 10401b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor ElementType(vecType), NumElements(nElements) {} 10414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner VectorType(TypeClass tc, QualType vecType, unsigned nElements, 10421486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman QualType canonType) 10431b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor : Type(tc, canonType, vecType->isDependentType()), ElementType(vecType), 10441b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor NumElements(nElements) {} 10454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 10464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 10474b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 10484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getElementType() const { return ElementType; } 10494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned getNumElements() const { return NumElements; } 10504b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 10514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 10524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 10534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID) { 10544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Profile(ID, getElementType(), getNumElements(), getTypeClass()); 10554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 10564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 10574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned NumElements, TypeClass TypeClass) { 10584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddPointer(ElementType.getAsOpaquePtr()); 10594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddInteger(NumElements); 10604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddInteger(TypeClass); 10614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 10624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { 1063af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 10644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 10654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const VectorType *) { return true; } 10664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 10674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1068af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman/// ExtVectorType - Extended vector type. This type is created using 1069af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 1070af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 10716154214e20225a883a8a00226499534e9b514315Steve Naroff/// class enables syntactic extensions, like Vector Components for accessing 10726154214e20225a883a8a00226499534e9b514315Steve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 1073af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begemanclass ExtVectorType : public VectorType { 1074af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 1075af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman VectorType(ExtVector, vecType, nElements, canonType) {} 10764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 10774b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 10789096b795541c783297fb19684a58c54d0fe823b8Chris Lattner static int getPointAccessorIdx(char c) { 10799096b795541c783297fb19684a58c54d0fe823b8Chris Lattner switch (c) { 10809096b795541c783297fb19684a58c54d0fe823b8Chris Lattner default: return -1; 10819096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'x': return 0; 10829096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'y': return 1; 10839096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'z': return 2; 10849096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'w': return 3; 10859096b795541c783297fb19684a58c54d0fe823b8Chris Lattner } 10861b8a46c945927340ae7e79b771e93e7d36da4851Steve Naroff } 10871486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman static int getNumericAccessorIdx(char c) { 10889096b795541c783297fb19684a58c54d0fe823b8Chris Lattner switch (c) { 10891486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman default: return -1; 10901486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case '0': return 0; 10911486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case '1': return 1; 10921486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case '2': return 2; 10931486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case '3': return 3; 10941486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case '4': return 4; 10951486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case '5': return 5; 10961486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case '6': return 6; 10971486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case '7': return 7; 10981486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case '8': return 8; 10991486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case '9': return 9; 11001486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case 'a': return 10; 11011486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case 'b': return 11; 11021486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case 'c': return 12; 11031486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case 'd': return 13; 11041486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case 'e': return 14; 11051486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman case 'f': return 15; 11069096b795541c783297fb19684a58c54d0fe823b8Chris Lattner } 11071b8a46c945927340ae7e79b771e93e7d36da4851Steve Naroff } 110842158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner 110942158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner static int getAccessorIdx(char c) { 111042158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 11111486b507eb8b13d3cc77b42a32395a811c5c962eNate Begeman return getNumericAccessorIdx(c); 111242158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner } 111342158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner 11149096b795541c783297fb19684a58c54d0fe823b8Chris Lattner bool isAccessorWithinNumElements(char c) const { 111542158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner if (int idx = getAccessorIdx(c)+1) 11169096b795541c783297fb19684a58c54d0fe823b8Chris Lattner return unsigned(idx-1) < NumElements; 11179096b795541c783297fb19684a58c54d0fe823b8Chris Lattner return false; 11181b8a46c945927340ae7e79b771e93e7d36da4851Steve Naroff } 1119c11705f9b742b542724dd56796bf90e07191e342Steve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 1120c11705f9b742b542724dd56796bf90e07191e342Steve Naroff 1121806b319509d01bffe47317f11140c930da800dbbSteve Naroff static bool classof(const Type *T) { 1122af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman return T->getTypeClass() == ExtVector; 11234b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1124af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman static bool classof(const ExtVectorType *) { return true; } 11254b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 11264b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 11274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 11284fa58905062efa6a12137b1983a1367220182a20Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 11294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 11304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass FunctionType : public Type { 11314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// SubClassData - This field is owned by the subclass, put here to pack 11324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// tightly with the ivars in Type. 11334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool SubClassData : 1; 11344b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis 11354fa58905062efa6a12137b1983a1367220182a20Douglas Gregor /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 11364b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis /// other bitfields. 11374fa58905062efa6a12137b1983a1367220182a20Douglas Gregor /// The qualifiers are part of FunctionProtoType because... 11384b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis /// 11394b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis /// C++ 8.3.5p4: The return type, the parameter type list and the 11404b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis /// cv-qualifier-seq, [...], are part of the function type. 11414b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis /// 11424b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis unsigned TypeQuals : 3; 11434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 11444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner // The type returned by the function. 11454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType ResultType; 11464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprotected: 11474b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis FunctionType(TypeClass tc, QualType res, bool SubclassInfo, 11481b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor unsigned typeQuals, QualType Canonical, bool Dependent) 11491b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor : Type(tc, Canonical, Dependent), 11504b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis SubClassData(SubclassInfo), TypeQuals(typeQuals), ResultType(res) {} 11514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool getSubClassData() const { return SubClassData; } 11524b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis unsigned getTypeQuals() const { return TypeQuals; } 11534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 11544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 11554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getResultType() const { return ResultType; } 11564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 11574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 11584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { 11594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return T->getTypeClass() == FunctionNoProto || 11604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner T->getTypeClass() == FunctionProto; 11614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 11624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const FunctionType *) { return true; } 11634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 11644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 11654fa58905062efa6a12137b1983a1367220182a20Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 11664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// no information available about its arguments. 11674fa58905062efa6a12137b1983a1367220182a20Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 11684fa58905062efa6a12137b1983a1367220182a20Douglas Gregor FunctionNoProtoType(QualType Result, QualType Canonical) 11691b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor : FunctionType(FunctionNoProto, Result, false, 0, Canonical, 1170f1791b0a471cd61641eca7f4c0815cdce2f105eaNate Begeman /*Dependent=*/false) {} 11714b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 11724b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 11734b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner // No additional state past what FunctionType provides. 11744b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 11754b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 11764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 11774b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID) { 11784b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Profile(ID, getResultType()); 11794b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 11804b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType) { 11814b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddPointer(ResultType.getAsOpaquePtr()); 11824b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 11834b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 11844b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { 11854b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return T->getTypeClass() == FunctionNoProto; 11864b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 11874fa58905062efa6a12137b1983a1367220182a20Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 118887f0429f888ee5d332304641611b88f7b54b5065Ted Kremenek 118987f0429f888ee5d332304641611b88f7b54b5065Ted Kremenekprotected: 119087f0429f888ee5d332304641611b88f7b54b5065Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 119187f0429f888ee5d332304641611b88f7b54b5065Ted Kremenek static Type* CreateImpl(ASTContext& Context,llvm::Deserializer& D); 119287f0429f888ee5d332304641611b88f7b54b5065Ted Kremenek friend class Type; 11934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 11944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 11954fa58905062efa6a12137b1983a1367220182a20Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 11964b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 11974b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// arguments, not as having a single void argument. 11984fa58905062efa6a12137b1983a1367220182a20Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 11991b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// hasAnyDependentType - Determine whether there are any dependent 12001b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor /// types within the arguments passed in. 12011b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor static bool hasAnyDependentType(const QualType *ArgArray, unsigned numArgs) { 12021b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 12031b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor if (ArgArray[Idx]->isDependentType()) 1204f1791b0a471cd61641eca7f4c0815cdce2f105eaNate Begeman return true; 12051b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 12061b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor return false; 12071b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor } 12081b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor 12094fa58905062efa6a12137b1983a1367220182a20Douglas Gregor FunctionProtoType(QualType Result, const QualType *ArgArray, unsigned numArgs, 12104b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis bool isVariadic, unsigned typeQuals, QualType Canonical) 12111b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor : FunctionType(FunctionProto, Result, isVariadic, typeQuals, Canonical, 1212f1791b0a471cd61641eca7f4c0815cdce2f105eaNate Begeman (Result->isDependentType() || 1213f1791b0a471cd61641eca7f4c0815cdce2f105eaNate Begeman hasAnyDependentType(ArgArray, numArgs))), 12144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner NumArgs(numArgs) { 12154b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner // Fill in the trailing argument array. 12164b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType *ArgInfo = reinterpret_cast<QualType *>(this+1);; 12174b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner for (unsigned i = 0; i != numArgs; ++i) 12184b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ArgInfo[i] = ArgArray[i]; 12194b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 12204b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12214b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// NumArgs - The number of arguments this function has, not counting '...'. 12224b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned NumArgs; 12234b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12244b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 12254b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// holds the argument types. 1226db4d5970d9243fb699f250f74eab6b7cce901a40Ted Kremenek 12274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 1228db4d5970d9243fb699f250f74eab6b7cce901a40Ted Kremenek 12294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 12304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned getNumArgs() const { return NumArgs; } 12314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getArgType(unsigned i) const { 12324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner assert(i < NumArgs && "Invalid argument number!"); 12334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return arg_type_begin()[i]; 12344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 12354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isVariadic() const { return getSubClassData(); } 12374b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 12384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner typedef const QualType *arg_type_iterator; 12404b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner arg_type_iterator arg_type_begin() const { 12414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return reinterpret_cast<const QualType *>(this+1); 12424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 12434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 12444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 12464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12474b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { 12484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return T->getTypeClass() == FunctionProto; 12494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 12504fa58905062efa6a12137b1983a1367220182a20Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 12514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID); 12534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 12544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 12554b269b4f8fe1509a5d9a92bc02b1b8b503fcd2fdArgiris Kirtzidis bool isVariadic, unsigned TypeQuals); 1256034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek 1257034a78cafc3505323698ea72db19dc5095324e06Ted Kremenekprotected: 1258034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1259034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek static Type* CreateImpl(ASTContext& Context,llvm::Deserializer& D); 1260034a78cafc3505323698ea72db19dc5095324e06Ted Kremenek friend class Type; 12614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 12624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass TypedefType : public Type { 12654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner TypedefDecl *Decl; 1266e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanianprotected: 1267e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian TypedefType(TypeClass tc, TypedefDecl *D, QualType can) 12681b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor : Type(tc, can, can->isDependentType()), Decl(D) { 12694b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner assert(!isa<TypedefType>(can) && "Invalid canonical type"); 12704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 12714b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 12724b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 12734b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12744b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner TypedefDecl *getDecl() const { return Decl; } 12754b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// LookThroughTypedefs - Return the ultimate type this typedef corresponds to 1277a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor /// potentially looking through *all* consecutive typedefs. This returns the 12784b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// sum of the type qualifiers, so if you have: 12794b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// typedef const int A; 12804b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// typedef volatile A B; 12814b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// looking through the typedefs for B will give you "const volatile A". 12824b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType LookThroughTypedefs() const; 12834b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12844b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 12854b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12864fa58905062efa6a12137b1983a1367220182a20Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 12874b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const TypedefType *) { return true; } 12882f665cd2aa263b89ac880dc45283847e5322a6c2Ted Kremenek 12892f665cd2aa263b89ac880dc45283847e5322a6c2Ted Kremenekprotected: 12902f665cd2aa263b89ac880dc45283847e5322a6c2Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 12912f665cd2aa263b89ac880dc45283847e5322a6c2Ted Kremenek static Type* CreateImpl(ASTContext& Context,llvm::Deserializer& D); 12922f665cd2aa263b89ac880dc45283847e5322a6c2Ted Kremenek friend class Type; 12934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 12944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 12954fa58905062efa6a12137b1983a1367220182a20Douglas Gregor/// TypeOfExprType (GCC extension). 12964fa58905062efa6a12137b1983a1367220182a20Douglas Gregorclass TypeOfExprType : public Type { 12977cbb14653934a298c09002b87704dc6531261771Steve Naroff Expr *TOExpr; 12984fa58905062efa6a12137b1983a1367220182a20Douglas Gregor TypeOfExprType(Expr *E, QualType can); 12997cbb14653934a298c09002b87704dc6531261771Steve Naroff friend class ASTContext; // ASTContext creates these. 13007cbb14653934a298c09002b87704dc6531261771Steve Naroffpublic: 13017cbb14653934a298c09002b87704dc6531261771Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 13027cbb14653934a298c09002b87704dc6531261771Steve Naroff 13037cbb14653934a298c09002b87704dc6531261771Steve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 13047cbb14653934a298c09002b87704dc6531261771Steve Naroff 13054fa58905062efa6a12137b1983a1367220182a20Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 13064fa58905062efa6a12137b1983a1367220182a20Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 130771af02f1cea2bcedacbff2a20d883bf2b8042eb0Zhongxing Xu 130871af02f1cea2bcedacbff2a20d883bf2b8042eb0Zhongxing Xuprotected: 130971af02f1cea2bcedacbff2a20d883bf2b8042eb0Zhongxing Xu virtual void EmitImpl(llvm::Serializer& S) const; 131071af02f1cea2bcedacbff2a20d883bf2b8042eb0Zhongxing Xu static Type* CreateImpl(ASTContext& Context, llvm::Deserializer& D); 131171af02f1cea2bcedacbff2a20d883bf2b8042eb0Zhongxing Xu friend class Type; 13127cbb14653934a298c09002b87704dc6531261771Steve Naroff}; 13137cbb14653934a298c09002b87704dc6531261771Steve Naroff 13147cbb14653934a298c09002b87704dc6531261771Steve Naroff/// TypeOfType (GCC extension). 13157cbb14653934a298c09002b87704dc6531261771Steve Naroffclass TypeOfType : public Type { 13167cbb14653934a298c09002b87704dc6531261771Steve Naroff QualType TOType; 13171b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor TypeOfType(QualType T, QualType can) 13184fa58905062efa6a12137b1983a1367220182a20Douglas Gregor : Type(TypeOf, can, T->isDependentType()), TOType(T) { 13197cbb14653934a298c09002b87704dc6531261771Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 13207cbb14653934a298c09002b87704dc6531261771Steve Naroff } 13217cbb14653934a298c09002b87704dc6531261771Steve Naroff friend class ASTContext; // ASTContext creates these. 13227cbb14653934a298c09002b87704dc6531261771Steve Naroffpublic: 13237cbb14653934a298c09002b87704dc6531261771Steve Naroff QualType getUnderlyingType() const { return TOType; } 13247cbb14653934a298c09002b87704dc6531261771Steve Naroff 13257cbb14653934a298c09002b87704dc6531261771Steve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 13267cbb14653934a298c09002b87704dc6531261771Steve Naroff 13274fa58905062efa6a12137b1983a1367220182a20Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 13287cbb14653934a298c09002b87704dc6531261771Steve Naroff static bool classof(const TypeOfType *) { return true; } 13290da0273153e4526863ce8d1e06f94c8957bd4341Zhongxing Xu 13300da0273153e4526863ce8d1e06f94c8957bd4341Zhongxing Xuprotected: 13310da0273153e4526863ce8d1e06f94c8957bd4341Zhongxing Xu virtual void EmitImpl(llvm::Serializer& S) const; 13320da0273153e4526863ce8d1e06f94c8957bd4341Zhongxing Xu static Type* CreateImpl(ASTContext& Context, llvm::Deserializer& D); 13330da0273153e4526863ce8d1e06f94c8957bd4341Zhongxing Xu friend class Type; 13347cbb14653934a298c09002b87704dc6531261771Steve Naroff}; 13354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 13364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass TagType : public Type { 133798b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor /// Stores the TagDecl associated with this type. The decl will 133898b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor /// point to the TagDecl that actually defines the entity (or is a 133998b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor /// definition in progress), if there is such a definition. The 134098b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor /// single-bit value will be non-zero when this tag is in the 134198b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor /// process of being defined. 13429c7825b737617339724d43bd04960852271f08e2Douglas Gregor mutable llvm::PointerIntPair<TagDecl *, 1> decl; 134346a837c7ced306c55d1686cea5f77cb7a2f3b908Ted Kremenek friend class ASTContext; 134498b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor friend class TagDecl; 13451d661556b9263f4d635372aecdea8c55dac84e83Douglas Gregor 13461d661556b9263f4d635372aecdea8c55dac84e83Douglas Gregorprotected: 13471b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor // FIXME: We'll need the user to pass in information about whether 13481b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor // this type is dependent or not, because we don't have enough 13491b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor // information to compute it here. 13504fa58905062efa6a12137b1983a1367220182a20Douglas Gregor TagType(TypeClass TC, TagDecl *D, QualType can) 13514fa58905062efa6a12137b1983a1367220182a20Douglas Gregor : Type(TC, can, /*Dependent=*/false), decl(D, 0) {} 13521d661556b9263f4d635372aecdea8c55dac84e83Douglas Gregor 13531d661556b9263f4d635372aecdea8c55dac84e83Douglas Gregorpublic: 135498b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor TagDecl *getDecl() const { return decl.getPointer(); } 13554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 135698b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor /// @brief Determines whether this type is in the process of being 135798b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor /// defined. 135898b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor bool isBeingDefined() const { return decl.getInt(); } 135998b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor void setBeingDefined(bool Def) { decl.setInt(Def? 1 : 0); } 136098b275417eab0af35ba0bf0d7dbd89253c710f3cDouglas Gregor 13614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 1362734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor void getAsStringInternal(std::string &InnerString, 1363734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor bool SuppressTagKind) const; 1364734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 13654fa58905062efa6a12137b1983a1367220182a20Douglas Gregor static bool classof(const Type *T) { 13664fa58905062efa6a12137b1983a1367220182a20Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 13674fa58905062efa6a12137b1983a1367220182a20Douglas Gregor } 13684b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const TagType *) { return true; } 13694fa58905062efa6a12137b1983a1367220182a20Douglas Gregor static bool classof(const RecordType *) { return true; } 13704fa58905062efa6a12137b1983a1367220182a20Douglas Gregor static bool classof(const EnumType *) { return true; } 13714fa58905062efa6a12137b1983a1367220182a20Douglas Gregor 13728db5aa1ca0d42cf8aeaa78cbe196a50f70fc9fc1Ted Kremenekprotected: 13738db5aa1ca0d42cf8aeaa78cbe196a50f70fc9fc1Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 137464be4ada44c719304c1dee75fb1e551f84b7779aTed Kremenek static Type* CreateImpl(ASTContext& Context, llvm::Deserializer& D); 13758db5aa1ca0d42cf8aeaa78cbe196a50f70fc9fc1Ted Kremenek friend class Type; 13764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 13774b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 13781baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 13791baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner/// to detect TagType objects of structs/unions/classes. 13801baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattnerclass RecordType : public TagType { 1381ea29d1ec6b76c3722d7c0fb6a3d35c2d8cc74a79Argiris Kirtzidisprotected: 13823cbc064cf343c2151488b7822430ed327ade176eArgiris Kirtzidis explicit RecordType(RecordDecl *D) 13834fa58905062efa6a12137b1983a1367220182a20Douglas Gregor : TagType(Record, reinterpret_cast<TagDecl*>(D), QualType()) { } 13844fa58905062efa6a12137b1983a1367220182a20Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 13854fa58905062efa6a12137b1983a1367220182a20Douglas Gregor : TagType(TC, reinterpret_cast<TagDecl*>(D), QualType()) { } 13861d661556b9263f4d635372aecdea8c55dac84e83Douglas Gregor friend class ASTContext; // ASTContext creates these. 13871baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattnerpublic: 13881baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner 13891baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner RecordDecl *getDecl() const { 13901baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 13911baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner } 13921baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner 13931baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner // FIXME: This predicate is a helper to QualType/Type. It needs to 13941baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner // recursively check all fields for const-ness. If any field is declared 13951baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner // const, it needs to return false. 13961baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner bool hasConstFields() const { return false; } 13971baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner 13981baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner // FIXME: RecordType needs to check when it is created that all fields are in 13991baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner // the same address space, and return that. 14001baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner unsigned getAddressSpace() const { return 0; } 14011baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner 1402eae0eaa09f163aa27d2eb0244ed2d3ebed8eed6fChris Lattner static bool classof(const TagType *T); 1403eae0eaa09f163aa27d2eb0244ed2d3ebed8eed6fChris Lattner static bool classof(const Type *T) { 1404eae0eaa09f163aa27d2eb0244ed2d3ebed8eed6fChris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 1405eae0eaa09f163aa27d2eb0244ed2d3ebed8eed6fChris Lattner } 14061baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner static bool classof(const RecordType *) { return true; } 14071baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner}; 14081baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner 14091baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 14101baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner/// to detect TagType objects of enums. 14111baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattnerclass EnumType : public TagType { 14123cbc064cf343c2151488b7822430ed327ade176eArgiris Kirtzidis explicit EnumType(EnumDecl *D) 14134fa58905062efa6a12137b1983a1367220182a20Douglas Gregor : TagType(Enum, reinterpret_cast<TagDecl*>(D), QualType()) { } 14141d661556b9263f4d635372aecdea8c55dac84e83Douglas Gregor friend class ASTContext; // ASTContext creates these. 14151baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattnerpublic: 14161baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner 14171baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner EnumDecl *getDecl() const { 14181baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 14191baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner } 14201baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner 1421eae0eaa09f163aa27d2eb0244ed2d3ebed8eed6fChris Lattner static bool classof(const TagType *T); 1422eae0eaa09f163aa27d2eb0244ed2d3ebed8eed6fChris Lattner static bool classof(const Type *T) { 1423eae0eaa09f163aa27d2eb0244ed2d3ebed8eed6fChris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 1424eae0eaa09f163aa27d2eb0244ed2d3ebed8eed6fChris Lattner } 14251baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner static bool classof(const EnumType *) { return true; } 14261baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner}; 14271baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner 1428a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 1429a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor unsigned Depth : 16; 1430a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor unsigned Index : 16; 1431a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor IdentifierInfo *Name; 1432dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor 1433a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor TemplateTypeParmType(unsigned D, unsigned I, IdentifierInfo *N, 1434a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor QualType Canon) 1435a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true), 1436a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor Depth(D), Index(I), Name(N) { } 1437dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor 1438a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor TemplateTypeParmType(unsigned D, unsigned I) 1439a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true), 1440a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor Depth(D), Index(I), Name(0) { } 1441dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor 1442a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor friend class ASTContext; // ASTContext creates these 1443dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor 1444a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregorpublic: 1445a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor unsigned getDepth() const { return Depth; } 1446a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor unsigned getIndex() const { return Index; } 1447a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor IdentifierInfo *getName() const { return Name; } 1448a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor 1449dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor virtual void getAsStringInternal(std::string &InnerString) const; 14501baaf13ea33c7b60742bf772bca8df2ccc1a51a8Chris Lattner 1451a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 1452a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor Profile(ID, Depth, Index, Name); 1453a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor } 1454a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor 1455a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 1456a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor unsigned Index, IdentifierInfo *Name) { 1457a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor ID.AddInteger(Depth); 1458a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor ID.AddInteger(Index); 1459a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor ID.AddPointer(Name); 1460a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor } 1461a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor 1462dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor static bool classof(const Type *T) { 1463dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor return T->getTypeClass() == TemplateTypeParm; 1464dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor } 1465dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 1466dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor 1467dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregorprotected: 1468dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor virtual void EmitImpl(llvm::Serializer& S) const; 1469dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor static Type* CreateImpl(ASTContext& Context, llvm::Deserializer& D); 1470dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor friend class Type; 1471dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor}; 1472a491877807202cfb1812f6dcdbb7b992c41ca634Douglas Gregor 14738e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// \brief Represents the type of a class template specialization as 14748e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// written in the source code. 14758e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// 14768e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// Class template specialization types represent the syntactic form 14778e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// of a template-id that refers to a type, e.g., @c vector<int>. All 14788e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// class template specialization types are syntactic sugar, whose 14798e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// canonical type will point to some other type node that represents 14808e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// the instantiation or class template specialization. For example, a 14818e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// class template specialization type of @c vector<int> will refer to 14828e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// a tag type for the instantiation 14838e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 14848e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregorclass ClassTemplateSpecializationType 14858e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor : public Type, public llvm::FoldingSetNode { 14868e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 14878e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor // FIXME: Do we want templates to have a representation in the type 14888e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor // system? It will probably help with dependent templates and 14898e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor // possibly with template-names preceded by a nested-name-specifier. 14908e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor TemplateDecl *Template; 14918e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 1492f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor /// \brief - The number of template arguments named in this class 1493f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor /// template specialization. 14948e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor unsigned NumArgs; 14958e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 1496f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor ClassTemplateSpecializationType(TemplateDecl *T, 1497f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor const TemplateArgument *Args, 1498f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor unsigned NumArgs, QualType Canon); 14998e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 15006f37b58716e89420c13ac067fe605c3b6d5821d0Douglas Gregor virtual void Destroy(ASTContext& C); 15016f37b58716e89420c13ac067fe605c3b6d5821d0Douglas Gregor 15028e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor friend class ASTContext; // ASTContext creates these 15038e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 15048e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregorpublic: 1505f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor /// \brief Determine whether any of the given template arguments are 1506f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor /// dependent. 1507f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 1508f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor unsigned NumArgs); 1509f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor 151056d25a726f0bdb4db08021b9e98782ada5241eafDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 151156d25a726f0bdb4db08021b9e98782ada5241eafDouglas Gregor /// enclosing the template arguments. 151256d25a726f0bdb4db08021b9e98782ada5241eafDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 151356d25a726f0bdb4db08021b9e98782ada5241eafDouglas Gregor unsigned NumArgs); 151456d25a726f0bdb4db08021b9e98782ada5241eafDouglas Gregor 1515f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor typedef const TemplateArgument * iterator; 1516f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor 1517f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor iterator begin() const { return getArgs(); } 1518f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor iterator end() const; 1519f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor 15208e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor /// \brief Retrieve the template that we are specializing. 15218e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor TemplateDecl *getTemplate() const { return Template; } 15228e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 1523f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor /// \brief Retrieve the template arguments. 1524f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor const TemplateArgument *getArgs() const { 1525f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 1526f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor } 1527f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor 1528f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor /// \brief Retrieve the number of template arguments. 15298e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 15308e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 15318e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor /// \brief Retrieve a specific template argument as a type. 15328e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor /// \precondition @c isArgType(Arg) 1533f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor const TemplateArgument &getArg(unsigned Idx) const; 15348e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 15358e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor virtual void getAsStringInternal(std::string &InnerString) const; 15368e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 15378e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 1538f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor Profile(ID, Template, getArgs(), NumArgs); 15398e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor } 15408e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 15418e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateDecl *T, 1542f9ff4b14cfc4ee2c4e43dbb71242aa85446ecc2aDouglas Gregor const TemplateArgument *Args, unsigned NumArgs); 15438e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 15448e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor static bool classof(const Type *T) { 15458e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor return T->getTypeClass() == ClassTemplateSpecialization; 15468e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor } 15478e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor static bool classof(const ClassTemplateSpecializationType *T) { return true; } 15488e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 15498e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregorprotected: 15508e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor virtual void EmitImpl(llvm::Serializer& S) const; 15518e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor static Type* CreateImpl(ASTContext& Context, llvm::Deserializer& D); 15528e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor friend class Type; 15538e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor}; 15548e458f48f07276fe279a3d02e709e7ce15b2f9c3Douglas Gregor 1555734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor/// \brief Represents a type that was referred to via a qualified 1556734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor/// name, e.g., N::M::type. 1557734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor/// 1558734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor/// This type is used to keep track of a type name as written in the 1559734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor/// source code, including any nested-name-specifiers. 1560734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregorclass QualifiedNameType : public Type, public llvm::FoldingSetNode { 1561734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor /// \brief The number of components in the qualified name, not 1562734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor /// counting the final type. 1563734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor unsigned NumComponents; 1564734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1565734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor /// \brief The type that this qualified name refers to. 1566734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor QualType NamedType; 1567734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1568734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor QualifiedNameType(const NestedNameSpecifier *Components, 1569734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor unsigned NumComponents, QualType NamedType, 1570734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor QualType CanonType); 1571734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1572734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor friend class ASTContext; // ASTContext creates these 1573734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1574734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregorpublic: 1575734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor typedef const NestedNameSpecifier * iterator; 1576734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1577734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor iterator begin() const { return getComponents(); } 1578734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor iterator end() const { return getComponents() + getNumComponents(); } 1579734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1580734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor /// \brief Retrieve the array of nested-name-specifier components. 1581734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor const NestedNameSpecifier *getComponents() const { 1582734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor return reinterpret_cast<const NestedNameSpecifier *>(this + 1); 1583734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor } 1584734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1585734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor /// \brief Retrieve the number of nested-name-specifier components. 1586734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor unsigned getNumComponents() const { return NumComponents; } 1587734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1588734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 1589734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor QualType getNamedType() const { return NamedType; } 1590734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1591734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor virtual void getAsStringInternal(std::string &InnerString) const; 1592734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1593734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 1594734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor Profile(ID, getComponents(), NumComponents, NamedType); 1595734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor } 1596734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1597734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, 1598734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor const NestedNameSpecifier *Components, 1599734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor unsigned NumComponents, 1600734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor QualType NamedType); 1601734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1602734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor static bool classof(const Type *T) { 1603734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor return T->getTypeClass() == QualifiedName; 1604734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor } 1605734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor static bool classof(const QualifiedNameType *T) { return true; } 1606734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1607734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregorprotected: 1608734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor virtual void EmitImpl(llvm::Serializer& S) const; 1609734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor static Type* CreateImpl(ASTContext& Context, llvm::Deserializer& D); 1610734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor friend class Type; 1611734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor}; 1612734b4baa8e7677d03085a3d3716fa550fb40be63Douglas Gregor 1613f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 1614f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner/// object oriented design. They basically correspond to C++ classes. There 1615f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner/// are two kinds of interface types, normal interfaces like "NSString" and 1616f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner/// qualified interfaces, which are qualified with a protocol list like 1617f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner/// "NSString<NSCopyable, NSAmazing>". Qualified interface types are instances 1618f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner/// of ObjCQualifiedInterfaceType, which is a subclass of ObjCInterfaceType. 161942730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenekclass ObjCInterfaceType : public Type { 162042730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek ObjCInterfaceDecl *Decl; 16210c2f214d3500d1d080afa36b96db40407b91e70dFariborz Jahanianprotected: 162242730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek ObjCInterfaceType(TypeClass tc, ObjCInterfaceDecl *D) : 16231b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor Type(tc, QualType(), /*Dependent=*/false), Decl(D) { } 162481f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff friend class ASTContext; // ASTContext creates these. 162581f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroffpublic: 162681f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff 162742730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek ObjCInterfaceDecl *getDecl() const { return Decl; } 162881f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff 1629f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner /// qual_iterator and friends: this provides access to the (potentially empty) 1630f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner /// list of protocols qualifying this interface. If this is an instance of 1631f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner /// ObjCQualifiedInterfaceType it returns the list, otherwise it returns an 1632f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner /// empty list if there are no qualifying protocols. 1633f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner typedef llvm::SmallVector<ObjCProtocolDecl*, 8>::const_iterator qual_iterator; 1634f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner inline qual_iterator qual_begin() const; 1635f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner inline qual_iterator qual_end() const; 1636f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner bool qual_empty() const { return getTypeClass() != ObjCQualifiedInterface; } 1637f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner 1638f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner /// getNumProtocols - Return the number of qualifying protocols in this 1639f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner /// interface type, or 0 if there are none. 1640f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner inline unsigned getNumProtocols() const; 1641f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner 1642d5f8179ed2b75e5c21109f3dd996836b5f743ecdChris Lattner /// getProtocol - Return the specified qualifying protocol. 1643d5f8179ed2b75e5c21109f3dd996836b5f743ecdChris Lattner inline ObjCProtocolDecl *getProtocol(unsigned i) const; 164491193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian 1645f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner 1646f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 164781f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff static bool classof(const Type *T) { 1648b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner return T->getTypeClass() == ObjCInterface || 1649b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner T->getTypeClass() == ObjCQualifiedInterface; 165081f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff } 165142730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 165281f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff}; 165381f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff 165442730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek/// ObjCQualifiedInterfaceType - This class represents interface types 1655e86716008551d268871e9aa7b27ea1b64b462991Chris Lattner/// conforming to a list of protocols, such as INTF<Proto1, Proto2, Proto1>. 1656e86716008551d268871e9aa7b27ea1b64b462991Chris Lattner/// 1657c5a342d3b1cc5fa6eef09653a6d8d091928366c0Fariborz Jahanian/// Duplicate protocols are removed and protocol list is canonicalized to be in 1658c5a342d3b1cc5fa6eef09653a6d8d091928366c0Fariborz Jahanian/// alphabetical order. 165942730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenekclass ObjCQualifiedInterfaceType : public ObjCInterfaceType, 16600c2f214d3500d1d080afa36b96db40407b91e70dFariborz Jahanian public llvm::FoldingSetNode { 16610c2f214d3500d1d080afa36b96db40407b91e70dFariborz Jahanian 1662c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian // List of protocols for this protocol conforming object type 1663c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian // List is sorted on protocol name. No protocol is enterred more than once. 1664f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner llvm::SmallVector<ObjCProtocolDecl*, 4> Protocols; 1665c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian 166642730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek ObjCQualifiedInterfaceType(ObjCInterfaceDecl *D, 1667b0c6a1fcc5d43696387d2870cc4722581f6db671Chris Lattner ObjCProtocolDecl **Protos, unsigned NumP) : 166842730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek ObjCInterfaceType(ObjCQualifiedInterface, D), 1669d855a6ead44e3a875179400c472ac0b37df35f70Chris Lattner Protocols(Protos, Protos+NumP) { } 167091193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian friend class ASTContext; // ASTContext creates these. 1671c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanianpublic: 1672c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian 1673d5f8179ed2b75e5c21109f3dd996836b5f743ecdChris Lattner ObjCProtocolDecl *getProtocol(unsigned i) const { 167491193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian return Protocols[i]; 167591193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian } 167691193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian unsigned getNumProtocols() const { 167791193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian return Protocols.size(); 167891193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian } 1679b0c6a1fcc5d43696387d2870cc4722581f6db671Chris Lattner 1680b0c6a1fcc5d43696387d2870cc4722581f6db671Chris Lattner qual_iterator qual_begin() const { return Protocols.begin(); } 1681b0c6a1fcc5d43696387d2870cc4722581f6db671Chris Lattner qual_iterator qual_end() const { return Protocols.end(); } 1682b0c6a1fcc5d43696387d2870cc4722581f6db671Chris Lattner 168391193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian virtual void getAsStringInternal(std::string &InnerString) const; 168491193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian 168591193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian void Profile(llvm::FoldingSetNodeID &ID); 168691193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian static void Profile(llvm::FoldingSetNodeID &ID, 1687fd5690fe6b5ea1c553dfe20f99d3fef269a50bd1Chris Lattner const ObjCInterfaceDecl *Decl, 168842730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek ObjCProtocolDecl **protocols, unsigned NumProtocols); 168991193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian 1690c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian static bool classof(const Type *T) { 169142730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek return T->getTypeClass() == ObjCQualifiedInterface; 1692c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian } 169342730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek static bool classof(const ObjCQualifiedInterfaceType *) { return true; } 1694c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian}; 1695f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner 1696f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattnerinline ObjCInterfaceType::qual_iterator ObjCInterfaceType::qual_begin() const { 1697f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner if (const ObjCQualifiedInterfaceType *QIT = 1698f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner dyn_cast<ObjCQualifiedInterfaceType>(this)) 1699f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner return QIT->qual_begin(); 1700f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner return 0; 1701f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner} 1702f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattnerinline ObjCInterfaceType::qual_iterator ObjCInterfaceType::qual_end() const { 1703f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner if (const ObjCQualifiedInterfaceType *QIT = 1704f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner dyn_cast<ObjCQualifiedInterfaceType>(this)) 1705f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner return QIT->qual_end(); 1706f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner return 0; 1707f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner} 1708f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner 1709f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner/// getNumProtocols - Return the number of qualifying protocols in this 1710f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner/// interface type, or 0 if there are none. 1711f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattnerinline unsigned ObjCInterfaceType::getNumProtocols() const { 1712f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner if (const ObjCQualifiedInterfaceType *QIT = 1713f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner dyn_cast<ObjCQualifiedInterfaceType>(this)) 1714f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner return QIT->getNumProtocols(); 1715f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner return 0; 1716f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner} 1717f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner 1718d5f8179ed2b75e5c21109f3dd996836b5f743ecdChris Lattner/// getProtocol - Return the specified qualifying protocol. 1719d5f8179ed2b75e5c21109f3dd996836b5f743ecdChris Lattnerinline ObjCProtocolDecl *ObjCInterfaceType::getProtocol(unsigned i) const { 1720d5f8179ed2b75e5c21109f3dd996836b5f743ecdChris Lattner return cast<ObjCQualifiedInterfaceType>(this)->getProtocol(i); 1721f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner} 1722f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner 1723f81d921ec2f5bac3f35a94392fe2b764473884eeChris Lattner 1724e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian 1725e86716008551d268871e9aa7b27ea1b64b462991Chris Lattner/// ObjCQualifiedIdType - to represent id<protocol-list>. 1726e86716008551d268871e9aa7b27ea1b64b462991Chris Lattner/// 1727e86716008551d268871e9aa7b27ea1b64b462991Chris Lattner/// Duplicate protocols are removed and protocol list is canonicalized to be in 1728e86716008551d268871e9aa7b27ea1b64b462991Chris Lattner/// alphabetical order. 172942730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenekclass ObjCQualifiedIdType : public Type, 1730e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian public llvm::FoldingSetNode { 1731e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian // List of protocols for this protocol conforming 'id' type 1732e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian // List is sorted on protocol name. No protocol is enterred more than once. 173342730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek llvm::SmallVector<ObjCProtocolDecl*, 8> Protocols; 1734e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian 17354a68fe04deb7ab89ac7566dc55b3b623129c72e5Chris Lattner ObjCQualifiedIdType(ObjCProtocolDecl **Protos, unsigned NumP) 17361b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor : Type(ObjCQualifiedId, QualType()/*these are always canonical*/, 1737f1791b0a471cd61641eca7f4c0815cdce2f105eaNate Begeman /*Dependent=*/false), 1738e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian Protocols(Protos, Protos+NumP) { } 1739e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian friend class ASTContext; // ASTContext creates these. 1740e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanianpublic: 1741e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian 174242730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek ObjCProtocolDecl *getProtocols(unsigned i) const { 1743e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian return Protocols[i]; 1744e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian } 1745e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian unsigned getNumProtocols() const { 1746e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian return Protocols.size(); 1747e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian } 174842730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek ObjCProtocolDecl **getReferencedProtocols() { 1749957442db1d23f62ee2d0d71310bee240606b267dFariborz Jahanian return &Protocols[0]; 1750b0c6a1fcc5d43696387d2870cc4722581f6db671Chris Lattner } 1751b0c6a1fcc5d43696387d2870cc4722581f6db671Chris Lattner 1752b0c6a1fcc5d43696387d2870cc4722581f6db671Chris Lattner typedef llvm::SmallVector<ObjCProtocolDecl*, 8>::const_iterator qual_iterator; 1753b0c6a1fcc5d43696387d2870cc4722581f6db671Chris Lattner qual_iterator qual_begin() const { return Protocols.begin(); } 1754b0c6a1fcc5d43696387d2870cc4722581f6db671Chris Lattner qual_iterator qual_end() const { return Protocols.end(); } 1755e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian 1756e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian virtual void getAsStringInternal(std::string &InnerString) const; 1757e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian 1758e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian void Profile(llvm::FoldingSetNodeID &ID); 17594a68fe04deb7ab89ac7566dc55b3b623129c72e5Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, 176042730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek ObjCProtocolDecl **protocols, unsigned NumProtocols); 1761e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian 1762e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian static bool classof(const Type *T) { 176342730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek return T->getTypeClass() == ObjCQualifiedId; 1764e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian } 176542730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenek static bool classof(const ObjCQualifiedIdType *) { return true; } 1766e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian 1767e76e8416ff29ee39140b64ed47731237c67434aeFariborz Jahanian}; 1768c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian 1769262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff/// ObjCQualifiedClassType - to represent Class<protocol-list>. 1770262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff/// 1771262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff/// Duplicate protocols are removed and protocol list is canonicalized to be in 1772262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff/// alphabetical order. 1773262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroffclass ObjCQualifiedClassType : public Type, 1774262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff public llvm::FoldingSetNode { 1775262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff // List of protocols for this protocol conforming 'id' type 1776262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff // List is sorted on protocol name. No protocol is enterred more than once. 1777262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff llvm::SmallVector<ObjCProtocolDecl*, 8> Protocols; 1778262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff 1779262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff ObjCQualifiedClassType(ObjCProtocolDecl **Protos, unsigned NumP) 1780d305a86f087fd359cf0f033eba0c968e55a61ff4Steve Naroff : Type(ObjCQualifiedClass, QualType()/*these are always canonical*/, 1781262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff /*Dependent=*/false), 1782262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff Protocols(Protos, Protos+NumP) { } 1783262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff friend class ASTContext; // ASTContext creates these. 1784262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroffpublic: 1785262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff 1786262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff ObjCProtocolDecl *getProtocols(unsigned i) const { 1787262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff return Protocols[i]; 1788262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff } 1789262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff unsigned getNumProtocols() const { 1790262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff return Protocols.size(); 1791262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff } 1792262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff ObjCProtocolDecl **getReferencedProtocols() { 1793262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff return &Protocols[0]; 1794262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff } 1795262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff 1796262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff typedef llvm::SmallVector<ObjCProtocolDecl*, 8>::const_iterator qual_iterator; 1797262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff qual_iterator qual_begin() const { return Protocols.begin(); } 1798262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff qual_iterator qual_end() const { return Protocols.end(); } 1799262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff 1800262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 1801262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff 1802262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 1803262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff static void Profile(llvm::FoldingSetNodeID &ID, 1804262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff ObjCProtocolDecl **protocols, unsigned NumProtocols); 1805262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff 1806262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff static bool classof(const Type *T) { 1807d305a86f087fd359cf0f033eba0c968e55a61ff4Steve Naroff return T->getTypeClass() == ObjCQualifiedClass; 1808262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff } 1809262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff static bool classof(const ObjCQualifiedClassType *) { return true; } 1810262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff 1811262a5dd7735667460dc4fcf0bef0b5df0ef5335eSteve Naroff}; 18124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1813b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner// Inline function definitions. 18144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 18152a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb/// getUnqualifiedType - Return the type without any qualifiers. 18162a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lambinline QualType QualType::getUnqualifiedType() const { 181735fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner Type *TP = getTypePtr(); 1818b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanian if (const ExtQualType *EXTQT = dyn_cast<ExtQualType>(TP)) 1819b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanian TP = EXTQT->getBaseType(); 182035fef52886c88e3855745917fcb0bf6a19fa0ba1Chris Lattner return QualType(TP, 0); 18212a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb} 18222a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb 18232a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb/// getAddressSpace - Return the address space of this type. 18242a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lambinline unsigned QualType::getAddressSpace() const { 182501ee73fb7b2734d3ca1c5876dc623811518985dfChris Lattner QualType CT = getTypePtr()->getCanonicalTypeInternal(); 182601ee73fb7b2734d3ca1c5876dc623811518985dfChris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 1827a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner return AT->getElementType().getAddressSpace(); 182801ee73fb7b2734d3ca1c5876dc623811518985dfChris Lattner if (const RecordType *RT = dyn_cast<RecordType>(CT)) 1829efc11216a5755f69b5540289aa2dd374d4bc82abNate Begeman return RT->getAddressSpace(); 1830b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanian if (const ExtQualType *EXTQT = dyn_cast<ExtQualType>(CT)) 1831b60352aa80d17026f445267940db558ab9cfb92eFariborz Jahanian return EXTQT->getAddressSpace(); 18322a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb return 0; 18332a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb} 1834b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner 1835af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 1836af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanianinline QualType::GCAttrTypes QualType::getObjCGCAttr() const { 1837af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian QualType CT = getTypePtr()->getCanonicalTypeInternal(); 1838af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 1839af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian return AT->getElementType().getObjCGCAttr(); 1840af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian if (const ExtQualType *EXTQT = dyn_cast<ExtQualType>(CT)) 1841af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian return EXTQT->getObjCGCAttr(); 1842184541a6a7d218583d79d408534f77c27b7b8c6eFariborz Jahanian if (const PointerType *PT = CT->getAsPointerType()) 1843184541a6a7d218583d79d408534f77c27b7b8c6eFariborz Jahanian return PT->getPointeeType().getObjCGCAttr(); 18447029ee3fdeee514a79eafb2508723d27c97fe158Chris Lattner return GCNone; 1845af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian} 1846af23809cb5b961cd4624785e94f339e0a0f5f49eFariborz Jahanian 18473fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 18483fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 18493fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// is more qualified than "const int", "volatile int", and 18503fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// "int". However, it is not more qualified than "const volatile 18513fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// int". 18523fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregorinline bool QualType::isMoreQualifiedThan(QualType Other) const { 18533fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor // FIXME: Handle address spaces 18543fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor unsigned MyQuals = this->getCVRQualifiers(); 18553fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor unsigned OtherQuals = Other.getCVRQualifiers(); 18564459bbe1ad110c100d74af8c74fdc82d87317dfeDouglas Gregor assert(this->getAddressSpace() == 0 && "Address space not checked"); 18574459bbe1ad110c100d74af8c74fdc82d87317dfeDouglas Gregor assert(Other.getAddressSpace() == 0 && "Address space not checked"); 18583fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor return MyQuals != OtherQuals && (MyQuals | OtherQuals) == MyQuals; 18593fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor} 18603fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor 18613fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 18623fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// as qualified as the Other type. For example, "const volatile 18633fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 18643fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// "int", and "const volatile int". 18653fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregorinline bool QualType::isAtLeastAsQualifiedAs(QualType Other) const { 18663fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor // FIXME: Handle address spaces 18673fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor unsigned MyQuals = this->getCVRQualifiers(); 18683fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor unsigned OtherQuals = Other.getCVRQualifiers(); 18694459bbe1ad110c100d74af8c74fdc82d87317dfeDouglas Gregor assert(this->getAddressSpace() == 0 && "Address space not checked"); 18704459bbe1ad110c100d74af8c74fdc82d87317dfeDouglas Gregor assert(Other.getAddressSpace() == 0 && "Address space not checked"); 18713fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor return (MyQuals | OtherQuals) == MyQuals; 18723fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor} 18733fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor 18743fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 18753fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// int&), returns the type that the reference refers to ("const 18763fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 18773fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// throughout Sema to implement C++ 5p6: 18783fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// 18793fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 18803fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 18813fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// analysis, the expression designates the object or function 18823fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 18833fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregorinline QualType QualType::getNonReferenceType() const { 18843fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor if (const ReferenceType *RefType = (*this)->getAsReferenceType()) 18853fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor return RefType->getPointeeType(); 18863fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor else 18873fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor return *this; 18883fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor} 18893fb675ab045253ffe2f1b333e9f8e746b50abeb4Douglas Gregor 18905c45be48e6125c5981ad48708dc7e8267bace63aTed Kremenekinline const TypedefType* Type::getAsTypedefType() const { 18915c45be48e6125c5981ad48708dc7e8267bace63aTed Kremenek return dyn_cast<TypedefType>(this); 18925c45be48e6125c5981ad48708dc7e8267bace63aTed Kremenek} 1893f914765ba1d70f599fa69bde38b8646c02d9b1aaChris Lattnerinline const ObjCInterfaceType *Type::getAsPointerToObjCInterfaceType() const { 1894f914765ba1d70f599fa69bde38b8646c02d9b1aaChris Lattner if (const PointerType *PT = getAsPointerType()) 1895f914765ba1d70f599fa69bde38b8646c02d9b1aaChris Lattner return PT->getPointeeType()->getAsObjCInterfaceType(); 1896f914765ba1d70f599fa69bde38b8646c02d9b1aaChris Lattner return 0; 1897f914765ba1d70f599fa69bde38b8646c02d9b1aaChris Lattner} 1898f914765ba1d70f599fa69bde38b8646c02d9b1aaChris Lattner 1899a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner// NOTE: All of these methods use "getUnqualifiedType" to strip off address 1900a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner// space qualifiers if present. 1901b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isFunctionType() const { 19022a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb return isa<FunctionType>(CanonicalType.getUnqualifiedType()); 1903b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 1904b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isPointerType() const { 19052a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb return isa<PointerType>(CanonicalType.getUnqualifiedType()); 1906b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 19077aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroffinline bool Type::isBlockPointerType() const { 19087aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff return isa<BlockPointerType>(CanonicalType); 19097aa5475ca2f62df5ba3f3b647ee141a40bf48fd3Steve Naroff} 1910cfac88de7de7d970a2436af939ea87c0e5a9cf9fChris Lattnerinline bool Type::isReferenceType() const { 1911cfac88de7de7d970a2436af939ea87c0e5a9cf9fChris Lattner return isa<ReferenceType>(CanonicalType.getUnqualifiedType()); 1912cfac88de7de7d970a2436af939ea87c0e5a9cf9fChris Lattner} 1913ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redlinline bool Type::isLValueReferenceType() const { 1914ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl return isa<LValueReferenceType>(CanonicalType.getUnqualifiedType()); 1915ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl} 1916ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redlinline bool Type::isRValueReferenceType() const { 1917ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl return isa<RValueReferenceType>(CanonicalType.getUnqualifiedType()); 1918ce6fff0486d0e15bc969fb0e3e4850c0784e997fSebastian Redl} 191983b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenekinline bool Type::isFunctionPointerType() const { 192074a340749eb63af1ba7098c67f3ef72bd48f5ae8Ted Kremenek if (const PointerType* T = getAsPointerType()) 192183b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenek return T->getPointeeType()->isFunctionType(); 192283b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenek else 192383b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenek return false; 192483b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenek} 19257555503bb5f08651638f269c44c15bb425d10c5eSebastian Redlinline bool Type::isMemberPointerType() const { 19267555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl return isa<MemberPointerType>(CanonicalType.getUnqualifiedType()); 19277555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl} 19287555503bb5f08651638f269c44c15bb425d10c5eSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 19297555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl if (const MemberPointerType* T = getAsMemberPointerType()) 19307555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl return T->getPointeeType()->isFunctionType(); 19317555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl else 19327555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl return false; 19337555503bb5f08651638f269c44c15bb425d10c5eSebastian Redl} 1934b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isArrayType() const { 19352a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb return isa<ArrayType>(CanonicalType.getUnqualifiedType()); 1936b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 1937a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattnerinline bool Type::isConstantArrayType() const { 1938a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner return isa<ConstantArrayType>(CanonicalType.getUnqualifiedType()); 1939a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner} 1940a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattnerinline bool Type::isIncompleteArrayType() const { 1941a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner return isa<IncompleteArrayType>(CanonicalType.getUnqualifiedType()); 1942a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner} 1943a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattnerinline bool Type::isVariableArrayType() const { 1944a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner return isa<VariableArrayType>(CanonicalType.getUnqualifiedType()); 1945a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner} 19461b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregorinline bool Type::isDependentSizedArrayType() const { 19471b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor return isa<DependentSizedArrayType>(CanonicalType.getUnqualifiedType()); 19481b21c7ffe5fac1711fea35e4830159004a835c1aDouglas Gregor} 1949b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isRecordType() const { 19502a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb return isa<RecordType>(CanonicalType.getUnqualifiedType()); 1951b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 19523277df47de6b65b55721726dc3f7b294e70ef6feChris Lattnerinline bool Type::isAnyComplexType() const { 1953a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner return isa<ComplexType>(CanonicalType.getUnqualifiedType()); 19543277df47de6b65b55721726dc3f7b294e70ef6feChris Lattner} 1955b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isVectorType() const { 19562a72bb32dfda134cb2bab50f5bb4a6b214f84348Christopher Lamb return isa<VectorType>(CanonicalType.getUnqualifiedType()); 1957b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 1958af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begemaninline bool Type::isExtVectorType() const { 1959af6ed504d90dc3b813c573bfbee8bc0e92e7fdc0Nate Begeman return isa<ExtVectorType>(CanonicalType.getUnqualifiedType()); 1960b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 196142730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenekinline bool Type::isObjCInterfaceType() const { 1962a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner return isa<ObjCInterfaceType>(CanonicalType.getUnqualifiedType()); 1963b06cf30badcddfea862bc9a538447453bdd94598Chris Lattner} 1964b06cf30badcddfea862bc9a538447453bdd94598Chris Lattnerinline bool Type::isObjCQualifiedInterfaceType() const { 1965a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner return isa<ObjCQualifiedInterfaceType>(CanonicalType.getUnqualifiedType()); 1966550e05034c6c8efcb7ab4c65f58048eee0892237Fariborz Jahanian} 196742730c53aeef9ac6c258d317065fdf38da4e043cTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 1968a1923f6d95601582f4a5c3924b8e1c5ac3f658b3Chris Lattner return isa<ObjCQualifiedIdType>(CanonicalType.getUnqualifiedType()); 1969dcb2b1e489948a570ee07ca65e12d42edffa20efFariborz Jahanian} 1970dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregorinline bool Type::isTemplateTypeParmType() const { 1971dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor return isa<TemplateTypeParmType>(CanonicalType.getUnqualifiedType()); 1972dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor} 1973dd861060e2e1f1e41f7b023d025fcd8eb183686dDouglas Gregor 1974c61a8003b2c69add9fca0ec5064b47251f47c90cDaniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 197545014fd2d7e50079dc092df04fec9af7ea0cb0e0Douglas Gregor if (const BuiltinType *BT = getAsBuiltinType()) 1976c61a8003b2c69add9fca0ec5064b47251f47c90cDaniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 1977c61a8003b2c69add9fca0ec5064b47251f47c90cDaniel Dunbar return true; 1978c61a8003b2c69add9fca0ec5064b47251f47c90cDaniel Dunbar return false; 1979c61a8003b2c69add9fca0ec5064b47251f47c90cDaniel Dunbar} 1980c61a8003b2c69add9fca0ec5064b47251f47c90cDaniel Dunbar 198100fe3f63604d2be2fafbf42fe5df0795d7d29116Douglas Gregor/// \brief Determines whether this is a type for which one can define 198200fe3f63604d2be2fafbf42fe5df0795d7d29116Douglas Gregor/// an overloaded operator. 198300fe3f63604d2be2fafbf42fe5df0795d7d29116Douglas Gregorinline bool Type::isOverloadableType() const { 198400fe3f63604d2be2fafbf42fe5df0795d7d29116Douglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 198545014fd2d7e50079dc092df04fec9af7ea0cb0e0Douglas Gregor} 198645014fd2d7e50079dc092df04fec9af7ea0cb0e0Douglas Gregor 1987fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 1988fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 1989fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar isObjCInterfaceType() || isObjCQualifiedIdType() || 1990fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar isObjCQualifiedInterfaceType()); 1991fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar} 1992fc096bf9d87834466e82482f99b1f6fe7e02bf2aDaniel Dunbar 19937c0c17b528295299020428f583a480a6dcb4c7e0Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 19947c0c17b528295299020428f583a480a6dcb4c7e0Fariborz Jahanian return (isObjCInterfaceType() || isObjCQualifiedIdType() || 19957c0c17b528295299020428f583a480a6dcb4c7e0Fariborz Jahanian isObjCQualifiedInterfaceType()); 19967c0c17b528295299020428f583a480a6dcb4c7e0Fariborz Jahanian} 19977c0c17b528295299020428f583a480a6dcb4c7e0Fariborz Jahanian 1998da5c087ebf3d47b40bae2e99671ce1929156a427Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 1999da5c087ebf3d47b40bae2e99671ce1929156a427Chris Lattner/// diagnostic with <<. 2000da5c087ebf3d47b40bae2e99671ce1929156a427Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 2001da5c087ebf3d47b40bae2e99671ce1929156a427Chris Lattner QualType T) { 2002da5c087ebf3d47b40bae2e99671ce1929156a427Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 2003da5c087ebf3d47b40bae2e99671ce1929156a427Chris Lattner Diagnostic::ak_qualtype); 2004da5c087ebf3d47b40bae2e99671ce1929156a427Chris Lattner return DB; 2005da5c087ebf3d47b40bae2e99671ce1929156a427Chris Lattner} 2006da5c087ebf3d47b40bae2e99671ce1929156a427Chris Lattner 20074b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner} // end namespace clang 20084b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 20094b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner#endif 2010