Type.h revision d855a6ead44e3a875179400c472ac0b37df35f70
14b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner//===--- Type.h - C Language Family Type Representation ---------*- C++ -*-===// 24b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// 34b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// The LLVM Compiler Infrastructure 44b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// 54b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// This file was developed by Chris Lattner and is distributed under 64b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner// the University of Illinois Open Source 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 174b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner#include "llvm/Support/Casting.h" 184b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner#include "llvm/ADT/FoldingSet.h" 1983c13010359c33354c581acee65d0c986a75247eSteve Naroff#include "llvm/ADT/APSInt.h" 204b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 214b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerusing llvm::isa; 224b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerusing llvm::cast; 234b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerusing llvm::cast_or_null; 244b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerusing llvm::dyn_cast; 254b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerusing llvm::dyn_cast_or_null; 264b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnernamespace clang { 284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class ASTContext; 294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class Type; 304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class TypedefDecl; 314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class TagDecl; 324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class RecordDecl; 334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class EnumDecl; 3481f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff class ObjcInterfaceDecl; 35c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian class ObjcProtocolDecl; 364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class Expr; 374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class SourceLocation; 384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class PointerType; 394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class ReferenceType; 404b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class VectorType; 414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner class ArrayType; 425eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff class ConstantArrayType; 435eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff class VariableArrayType; 442cb6638a26cfa999e5fb999e6af9211127e681c1Steve Naroff class RecordType; 457a85fa1ba94c9f4cf960463dd3eb444ef6f89446Chris Lattner class ComplexType; 46806b319509d01bffe47317f11140c930da800dbbSteve Naroff class TagType; 47806b319509d01bffe47317f11140c930da800dbbSteve Naroff class FunctionType; 48806b319509d01bffe47317f11140c930da800dbbSteve Naroff class OCUVectorType; 49c33c060e2f4e7c7e89e3b809f52cfc6d55ea9838Steve Naroff class BuiltinType; 5091193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian class ObjcQualifiedInterfaceType; 514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// QualType - For efficiency, we don't store CVR-qualified types as nodes on 534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// their own: instead each reference to a type stores the qualifiers. This 544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// greatly reduces the number of nodes we need to allocate for types (for 554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// example we only need one for 'int', 'const int', 'volatile int', 564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 'const volatile int', etc). 574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// As an added efficiency bonus, instead of making this a pair, we just store 594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// the three bits we care about in the low bits of the pointer. To handle the 604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// packing/unpacking, we make QualType be a simple wrapper class that acts like 614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// a smart pointer. 624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass QualType { 634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner uintptr_t ThePtr; 644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Const = 0x1, 674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Restrict = 0x2, 684b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Volatile = 0x4, 694b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner CVRFlags = Const|Restrict|Volatile 704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner }; 714b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 724b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType() : ThePtr(0) {} 734b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 744b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType(Type *Ptr, unsigned Quals) { 754b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner assert((Quals & ~CVRFlags) == 0 && "Invalid type qualifiers!"); 764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ThePtr = reinterpret_cast<uintptr_t>(Ptr); 774b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner assert((ThePtr & CVRFlags) == 0 && "Type pointer not 8-byte aligned?"); 784b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ThePtr |= Quals; 794b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 804b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 814b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static QualType getFromOpaquePtr(void *Ptr) { 824b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType T; 834b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner T.ThePtr = reinterpret_cast<uintptr_t>(Ptr); 844b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return T; 854b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 864b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 874b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned getQualifiers() const { 884b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return ThePtr & CVRFlags; 894b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 904b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Type *getTypePtr() const { 914b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return reinterpret_cast<Type*>(ThePtr & ~CVRFlags); 924b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void *getAsOpaquePtr() const { 954b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return reinterpret_cast<void*>(ThePtr); 964b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 974b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 984b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Type &operator*() const { 994b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return *getTypePtr(); 1004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1014b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1024b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Type *operator->() const { 1034b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return getTypePtr(); 1044b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1064b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isNull - Return true if this QualType doesn't point to a type yet. 1074b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isNull() const { 1084b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return ThePtr == 0; 1094b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1104b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1114b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isConstQualified() const { 112c75ccff9e318638cac63fe392f68893ab4177f45Chris Lattner return (ThePtr & Const) ? true : false; 1134b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isVolatileQualified() const { 115c75ccff9e318638cac63fe392f68893ab4177f45Chris Lattner return (ThePtr & Volatile) ? true : false; 1164b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1174b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isRestrictQualified() const { 118c75ccff9e318638cac63fe392f68893ab4177f45Chris Lattner return (ThePtr & Restrict) ? true : false; 1194b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1202e3b1d2ed22e5638fa9c55cc1ea5dac4db6aecdcChris Lattner 1212e3b1d2ed22e5638fa9c55cc1ea5dac4db6aecdcChris Lattner /// addConst/addVolatile/addRestrict - add the specified type qual to this 1222e3b1d2ed22e5638fa9c55cc1ea5dac4db6aecdcChris Lattner /// QualType. 1232e3b1d2ed22e5638fa9c55cc1ea5dac4db6aecdcChris Lattner void addConst() { ThePtr |= Const; } 1242e3b1d2ed22e5638fa9c55cc1ea5dac4db6aecdcChris Lattner void addVolatile() { ThePtr |= Volatile; } 1252e3b1d2ed22e5638fa9c55cc1ea5dac4db6aecdcChris Lattner void addRestrict() { ThePtr |= Restrict; } 1264b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getQualifiedType(unsigned TQs) const { 1284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return QualType(getTypePtr(), TQs); 1294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getUnqualifiedType() const { 1324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return QualType(getTypePtr(), 0); 1334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// operator==/!= - Indicate whether the specified types and qualifiers are 1364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// identical. 1374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool operator==(const QualType &RHS) const { 1384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return ThePtr == RHS.ThePtr; 1394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1404b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool operator!=(const QualType &RHS) const { 1414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return ThePtr != RHS.ThePtr; 1424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner std::string getAsString() const { 1444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner std::string S; 1454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner getAsStringInternal(S); 1464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return S; 1474b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void getAsStringInternal(std::string &Str) const; 1494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1504b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void dump(const char *s = 0) const; 1514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// getCanonicalType - Return the canonical version of this type, with the 1534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// appropriate type qualifiers on it. 1544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner inline QualType getCanonicalType() const; 1554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprivate: 1574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 1584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner} // end clang. 1604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnernamespace llvm { 1624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 1634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// to a specific Type class. 1644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnertemplate<> struct simplify_type<const ::clang::QualType> { 1654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner typedef ::clang::Type* SimpleType; 1664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 1674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return Val.getTypePtr(); 1684b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 1694b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 1704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnertemplate<> struct simplify_type< ::clang::QualType> 1714b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner : public simplify_type<const ::clang::QualType> {}; 1724b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner} 1734b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1744b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnernamespace clang { 1754b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 1764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// Type - This is the base class of the type hierarchy. A central concept 1774b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// with types is that each type always has a canonical type. A canonical type 1784b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// is the type with any typedef names stripped out of it or the types it 1794b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// references. For example, consider: 1804b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 1814b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// typedef int foo; 1824b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// typedef foo* bar; 1834b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 'int *' 'foo *' 'bar' 1844b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 1854b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// There will be a Type object created for 'int'. Since int is canonical, its 1864b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 1874b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// TypeNameType). Its CanonicalType pointer points to the 'int' Type. Next 1884b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// there is a PointerType that represents 'int*', which, like 'int', is 1894b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 1904b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// type is 'int*', and there is a TypeNameType for 'bar', whose canonical type 1914b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// is also 'int*'. 1924b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 1934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// Non-canonical types are useful for emitting diagnostics, without losing 1944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// information about typedefs being used. Canonical types are useful for type 1954b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// comparisons (they allow by-pointer equality tests) and useful for reasoning 1964b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// about whether something has a particular form (e.g. is a function type), 1974b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// because they implicitly, recursively, strip all typedefs out of a type. 1984b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 1994b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// Types, once created, are immutable. 2004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 2014b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass Type { 2024b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 2034b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner enum TypeClass { 20483c13010359c33354c581acee65d0c986a75247eSteve Naroff Builtin, Complex, Pointer, Reference, 20583c13010359c33354c581acee65d0c986a75247eSteve Naroff ConstantArray, VariableArray, 20683c13010359c33354c581acee65d0c986a75247eSteve Naroff Vector, OCUVector, 2074b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner FunctionNoProto, FunctionProto, 2087cbb14653934a298c09002b87704dc6531261771Steve Naroff TypeName, Tagged, 209c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian ObjcInterface, ObjcQualifiedInterface, 2107cbb14653934a298c09002b87704dc6531261771Steve Naroff TypeOfExp, TypeOfTyp // GNU typeof extension. 2114b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner }; 2124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprivate: 2134b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType CanonicalType; 2144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2154b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 2164b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// Note that this should stay at the end of the ivars for Type so that 2174b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// subclasses can pack their bitfields into the same word. 21892803daaa6a40a3899c2e599bddc42732c2ce593Hartmut Kaiser unsigned TC : 4; 2194b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprotected: 2207c6f0c755e48a2782bc0a0a4cfc63dc84e0f11d5Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 2217c6f0c755e48a2782bc0a0a4cfc63dc84e0f11d5Hartmut Kaiser Type *this_() { return this; } 2224b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Type(TypeClass tc, QualType Canonical) 2237c6f0c755e48a2782bc0a0a4cfc63dc84e0f11d5Hartmut Kaiser : CanonicalType(Canonical.isNull() ? QualType(this_(),0) : Canonical), TC(tc){} 2244b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual ~Type(); 2254b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; 2264b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 22792803daaa6a40a3899c2e599bddc42732c2ce593Hartmut Kaiser TypeClass getTypeClass() const { return static_cast<TypeClass>(TC); } 2284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isCanonical() const { return CanonicalType.getTypePtr() == this; } 2304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 2324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// object types, function types, and incomplete types. 2334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isObjectType - types that fully describe objects. An object is a region 2354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// of memory that can be examined and stored into (H&S). 2364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isObjectType() const; 2374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isIncompleteType - Return true if this is an incomplete type. 2394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// A type that can describe objects, but which lacks information needed to 2404b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// determine its size (e.g. void, or a fwd declared struct). Clients of this 2414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// routine will need to determine if the size is actually required. 2424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isIncompleteType() const; 2434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2445eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff /// isVariablyModifiedType (C99 6.7.5.2p2) - Return true for variable array 2455eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff /// types that have a non-constant expression. This does not include "[]". 2465eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff bool isVariablyModifiedType() const; 2475eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff 2484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// Helper methods to distinguish type categories. All type predicates 2494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// operate on the canonical type, ignoring typedefs. 2504b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 2518d3b170e5cb1700b5cbd227182bc29ca0d16819dSteve Naroff bool isEnumeralType() const; 2528d3b170e5cb1700b5cbd227182bc29ca0d16819dSteve Naroff bool isBooleanType() const; 2538d3b170e5cb1700b5cbd227182bc29ca0d16819dSteve Naroff bool isCharType() const; 2544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// Floating point categories. 2564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 2574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isComplexType() const; // C99 6.2.5p11 (complex) 2584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 2594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 2604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 261e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isVoidType() const; // C99 6.2.5p19 262e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isDerivedType() const; // C99 6.2.5p20 263e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 264e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isAggregateType() const; // C99 6.2.5p21 (arrays, structures) 2654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 266e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner // Type Predicates: Check to see if this type is structurally the specified 267e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner // type, ignoring typedefs. 268e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isFunctionType() const; 2697931f4a186bc76b21dd4629ee74d64264a7fb8a2Chris Lattner bool isPointerType() const; 27083b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenek bool isFunctionPointerType() const; 271f0c4a0a830c9154b1ae72e497c2ce586c10e9b71Chris Lattner bool isReferenceType() const; 272e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isArrayType() const; 273e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isRecordType() const; 274e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isStructureType() const; 27583b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenek bool isUnionType() const; 276e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isVectorType() const; // GCC vector type. 277e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner bool isOCUVectorType() const; // OCU vector type. 278e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner 279e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner // Type Checking Functions: Check to see if this type is structurally the 280e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner // specified type, ignoring typedefs, and return a pointer to the best type 281e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner // we can. 282c33c060e2f4e7c7e89e3b809f52cfc6d55ea9838Steve Naroff const BuiltinType *getAsBuiltinType() const; 283e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner const FunctionType *getAsFunctionType() const; 2847931f4a186bc76b21dd4629ee74d64264a7fb8a2Chris Lattner const PointerType *getAsPointerType() const; 285f0c4a0a830c9154b1ae72e497c2ce586c10e9b71Chris Lattner const ReferenceType *getAsReferenceType() const; 286e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner const ArrayType *getAsArrayType() const; 2875eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff const ConstantArrayType *getAsConstantArrayType() const; 2885eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff const VariableArrayType *getAsVariableArrayType() const; 2895eb879b0ab7cc0b98c5700b0c19cae3797530d9cSteve Naroff const VariableArrayType *getAsVariablyModifiedType() const; 290e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner const RecordType *getAsRecordType() const; 291e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner const RecordType *getAsStructureType() const; 292e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner const RecordType *getAsUnionType() const; 293e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner const VectorType *getAsVectorType() const; // GCC vector type. 2947a85fa1ba94c9f4cf960463dd3eb444ef6f89446Chris Lattner const ComplexType *getAsComplexType() const; 295e35a104a7d5caf8fa71117fbaa6f18cacc53c7a7Chris Lattner const OCUVectorType *getAsOCUVectorType() const; // OCU vector type. 2964b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 2974b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// More type predicates useful for type checking/promotion 2984b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isPromotableIntegerType() const; // C99 6.3.1.1p2 2994b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isSignedIntegerType - Return true if this is an integer type that is 301bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 302bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 303bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// integer element type. 3044b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isSignedIntegerType() const; 3054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3064b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isUnsignedIntegerType - Return true if this is an integer type that is 307bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 308bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 309bbe686be29157b575e53fbed328613117b525f26Chris Lattner /// element type. 3104b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isUnsignedIntegerType() const; 311bbe686be29157b575e53fbed328613117b525f26Chris Lattner 3124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// isConstantSizeType - Return true if this is not a variable sized type, 3134b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// according to the rules of C99 6.7.5p3. If Loc is non-null, it is set to 3144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// the location of the subexpression that makes it a vla type. It is not 3154b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// legal to call this on incomplete types. 3164b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isConstantSizeType(ASTContext &Ctx, SourceLocation *Loc = 0) const; 3174b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3184b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// Compatibility predicates used to check assignment expressions. 3194b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool typesAreCompatible(QualType, QualType); // C99 6.2.7p1 3204b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool tagTypesAreCompatible(QualType, QualType); // C99 6.2.7p1 3214b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool pointerTypesAreCompatible(QualType, QualType); // C99 6.7.5.1p2 3224b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool referenceTypesAreCompatible(QualType, QualType); // C++ 5.17p6 3234b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool functionTypesAreCompatible(QualType, QualType); // C99 6.7.5.3p15 3244b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool arrayTypesAreCompatible(QualType, QualType); // C99 6.7.5.2p6 325c33c060e2f4e7c7e89e3b809f52cfc6d55ea9838Steve Naroff static bool builtinTypesAreCompatible(QualType, QualType); 3264b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprivate: 3274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getCanonicalTypeInternal() const { return CanonicalType; } 3284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class QualType; 3294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 3304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const = 0; 3314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *) { return true; } 3324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 3334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// BuiltinType - This class is used for builtin types like 'int'. Builtin 3354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// types are always canonical and have a literal name field. 3364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass BuiltinType : public Type { 3374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 3384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner enum Kind { 3394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Void, 3404b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Bool, // This is bool and/or _Bool. 3424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Char_U, // This is 'char' for targets where char is unsigned. 3434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner UChar, // This is explicitly qualified unsigned char. 3444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner UShort, 3454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner UInt, 3464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ULong, 3474b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ULongLong, 3484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Char_S, // This is 'char' for targets where char is signed. 3504b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner SChar, // This is explicitly qualified signed char. 3514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Short, 3524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Int, 3534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Long, 3544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner LongLong, 3554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Float, Double, LongDouble 3574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner }; 3584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprivate: 3594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Kind TypeKind; 3604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 3614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner BuiltinType(Kind K) : Type(Builtin, QualType()), TypeKind(K) {} 3624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Kind getKind() const { return TypeKind; } 3644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner const char *getName() const; 3654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 3674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3684b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 3694b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const BuiltinType *) { return true; } 3704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 3714b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3724b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 3734b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// types (_Complex float etc) as well as the GCC integer complex extensions. 3744b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 3754b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass ComplexType : public Type, public llvm::FoldingSetNode { 3764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType ElementType; 3774b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ComplexType(QualType Element, QualType CanonicalPtr) : 3784b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Type(Complex, CanonicalPtr), ElementType(Element) { 3794b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 3804b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 3814b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 3824b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getElementType() const { return ElementType; } 3834b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3844b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 3854b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3864b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3874b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID) { 3884b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Profile(ID, getElementType()); 3894b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 3904b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 3914b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddPointer(Element.getAsOpaquePtr()); 3924b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 3934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 3954b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const ComplexType *) { return true; } 3964b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 3974b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3984b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 3994b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// PointerType - C99 6.7.5.1 - Pointer Declarators. 4004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 4014b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass PointerType : public Type, public llvm::FoldingSetNode { 4024b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType PointeeType; 4034b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner PointerType(QualType Pointee, QualType CanonicalPtr) : 4044b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Type(Pointer, CanonicalPtr), PointeeType(Pointee) { 4054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 4064b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 4074b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 4084b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4094b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getPointeeType() const { return PointeeType; } 4104b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4114b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 4124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4134b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID) { 4154b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Profile(ID, getPointeeType()); 4164b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 4174b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 4184b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddPointer(Pointee.getAsOpaquePtr()); 4194b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 4204b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4214b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 4224b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const PointerType *) { return true; } 4234b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 4244b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4254b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// ReferenceType - C++ 8.3.2 - Reference Declarators. 4264b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 4274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass ReferenceType : public Type, public llvm::FoldingSetNode { 4284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType ReferenceeType; 4294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ReferenceType(QualType Referencee, QualType CanonicalRef) : 4304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Type(Reference, CanonicalRef), ReferenceeType(Referencee) { 4314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 4324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 4334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 4344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 4354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getReferenceeType() const { return ReferenceeType; } 4374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID) { 4394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Profile(ID, getReferenceeType()); 4404b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 4414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType Referencee) { 4424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddPointer(Referencee.getAsOpaquePtr()); 4434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 4444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { return T->getTypeClass() == Reference; } 4464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const ReferenceType *) { return true; } 4474b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 4484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 4494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// ArrayType - C99 6.7.5.2 - Array Declarators. 4504b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 45183c13010359c33354c581acee65d0c986a75247eSteve Naroffclass ArrayType : public Type { 4524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 4534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 4544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// an array with a static size (e.g. int X[static 4]), or with a star size 45524c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff /// (e.g. int X[*]). 'static' is only allowed on function parameters. 4564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner enum ArraySizeModifier { 4574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Normal, Static, Star 4584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner }; 4594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprivate: 46083c13010359c33354c581acee65d0c986a75247eSteve Naroff /// ElementType - The element type of the array. 46183c13010359c33354c581acee65d0c986a75247eSteve Naroff QualType ElementType; 46224c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff 46324c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff /// NOTE: These fields are packed into the bitfields space in the Type class. 46424c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ArraySizeModifier SizeModifier : 2; 46524c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff 46624c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff /// IndexTypeQuals - Capture qualifiers in declarations like: 46724c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff /// 'int X[static restrict 4]'. For function parameters only. 46824c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff unsigned IndexTypeQuals : 3; 46924c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff 47083c13010359c33354c581acee65d0c986a75247eSteve Naroffprotected: 47124c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 47224c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ArraySizeModifier sm, unsigned tq) 47324c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff : Type(tc, can), ElementType(et), SizeModifier(sm), IndexTypeQuals(tq) {} 47483c13010359c33354c581acee65d0c986a75247eSteve Naroff friend class ASTContext; // ASTContext creates these. 47583c13010359c33354c581acee65d0c986a75247eSteve Naroffpublic: 47683c13010359c33354c581acee65d0c986a75247eSteve Naroff QualType getElementType() const { return ElementType; } 47724c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ArraySizeModifier getSizeModifier() const { return SizeModifier; } 47824c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff unsigned getIndexTypeQualifier() const { return IndexTypeQuals; } 47983c13010359c33354c581acee65d0c986a75247eSteve Naroff 4804f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff QualType getBaseType() const { 4814f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff const ArrayType *AT; 4824f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff QualType ElmtType = getElementType(); 4834f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff // If we have a multi-dimensional array, navigate to the base type. 4844f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff while ((AT = ElmtType->getAsArrayType())) 4854f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff ElmtType = AT->getElementType(); 4864f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff return ElmtType; 4874f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff } 48883c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const Type *T) { 48983c13010359c33354c581acee65d0c986a75247eSteve Naroff return T->getTypeClass() == ConstantArray || 49083c13010359c33354c581acee65d0c986a75247eSteve Naroff T->getTypeClass() == VariableArray; 49183c13010359c33354c581acee65d0c986a75247eSteve Naroff } 49283c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const ArrayType *) { return true; } 49383c13010359c33354c581acee65d0c986a75247eSteve Naroff}; 49483c13010359c33354c581acee65d0c986a75247eSteve Naroff 49583c13010359c33354c581acee65d0c986a75247eSteve Naroffclass ConstantArrayType : public ArrayType, public llvm::FoldingSetNode { 49683c13010359c33354c581acee65d0c986a75247eSteve Naroff llvm::APInt Size; // Allows us to unique the type. 49783c13010359c33354c581acee65d0c986a75247eSteve Naroff 49824c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ConstantArrayType(QualType et, QualType can, llvm::APInt sz, 49924c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ArraySizeModifier sm, unsigned tq) 50024c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff : ArrayType(ConstantArray, et, can, sm, tq), Size(sz) {} 50183c13010359c33354c581acee65d0c986a75247eSteve Naroff friend class ASTContext; // ASTContext creates these. 50283c13010359c33354c581acee65d0c986a75247eSteve Naroffpublic: 50383c13010359c33354c581acee65d0c986a75247eSteve Naroff llvm::APInt getSize() const { return Size; } 5044f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff int getMaximumElements() const { 5054f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff QualType ElmtType = getElementType(); 5067c6f0c755e48a2782bc0a0a4cfc63dc84e0f11d5Hartmut Kaiser int maxElements = static_cast<int>(getSize().getZExtValue()); 50783c13010359c33354c581acee65d0c986a75247eSteve Naroff 5084f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff const ConstantArrayType *CAT; 5094f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff // If we have a multi-dimensional array, include it's elements. 5104f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff while ((CAT = ElmtType->getAsConstantArrayType())) { 5114f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff ElmtType = CAT->getElementType(); 5127c6f0c755e48a2782bc0a0a4cfc63dc84e0f11d5Hartmut Kaiser maxElements *= static_cast<int>(CAT->getSize().getZExtValue()); 5134f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff } 5144f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff return maxElements; 5154f9109983a4b4e69c41436ac4b3ae9a370e9a725Steve Naroff } 51683c13010359c33354c581acee65d0c986a75247eSteve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 51783c13010359c33354c581acee65d0c986a75247eSteve Naroff 51883c13010359c33354c581acee65d0c986a75247eSteve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 51983c13010359c33354c581acee65d0c986a75247eSteve Naroff Profile(ID, getElementType(), getSize()); 52083c13010359c33354c581acee65d0c986a75247eSteve Naroff } 52183c13010359c33354c581acee65d0c986a75247eSteve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 52283c13010359c33354c581acee65d0c986a75247eSteve Naroff llvm::APInt ArraySize) { 52383c13010359c33354c581acee65d0c986a75247eSteve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 52483c13010359c33354c581acee65d0c986a75247eSteve Naroff ID.AddInteger(ArraySize.getZExtValue()); 52583c13010359c33354c581acee65d0c986a75247eSteve Naroff } 52683c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const Type *T) { 52783c13010359c33354c581acee65d0c986a75247eSteve Naroff return T->getTypeClass() == ConstantArray; 52883c13010359c33354c581acee65d0c986a75247eSteve Naroff } 52983c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const ConstantArrayType *) { return true; } 53083c13010359c33354c581acee65d0c986a75247eSteve Naroff}; 53183c13010359c33354c581acee65d0c986a75247eSteve Naroff 53283c13010359c33354c581acee65d0c986a75247eSteve Naroff// FIXME: VariableArrayType's aren't uniqued (since expressions aren't). 53383c13010359c33354c581acee65d0c986a75247eSteve Naroffclass VariableArrayType : public ArrayType { 53483c13010359c33354c581acee65d0c986a75247eSteve Naroff /// SizeExpr - An assignment expression. VLA's are only permitted within 53583c13010359c33354c581acee65d0c986a75247eSteve Naroff /// a function block. 5364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Expr *SizeExpr; 5374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 53824c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 53924c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff ArraySizeModifier sm, unsigned tq) 54024c9b98cc6a8de4a080e2dedb2797bdc2eeb688bSteve Naroff : ArrayType(VariableArray, et, can, sm, tq), SizeExpr(e) {} 5414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 5424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 5434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Expr *getSizeExpr() const { return SizeExpr; } 5444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 5464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 54783c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const Type *T) { 54883c13010359c33354c581acee65d0c986a75247eSteve Naroff return T->getTypeClass() == VariableArray; 5494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 55083c13010359c33354c581acee65d0c986a75247eSteve Naroff static bool classof(const VariableArrayType *) { return true; } 5514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 5524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// VectorType - GCC generic vector type. This type is created using 5544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// __attribute__((vector_size(n)), where "n" specifies the vector size in 5554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// bytes. Since the constructor takes the number of vector elements, the 5564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// client is responsible for converting the size into the number of elements. 5574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass VectorType : public Type, public llvm::FoldingSetNode { 5584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprotected: 5594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// ElementType - The element type of the vector. 5604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType ElementType; 5614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// NumElements - The number of elements in the vector. 5634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned NumElements; 5644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner VectorType(QualType vecType, unsigned nElements, QualType canonType) : 5664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Type(Vector, canonType), ElementType(vecType), NumElements(nElements) {} 5674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner VectorType(TypeClass tc, QualType vecType, unsigned nElements, 5684b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType canonType) : Type(tc, canonType), ElementType(vecType), 5694b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner NumElements(nElements) {} 5704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 5714b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 5724b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5734b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getElementType() const { return ElementType; } 5744b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned getNumElements() const { return NumElements; } 5754b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 5774b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5784b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID) { 5794b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Profile(ID, getElementType(), getNumElements(), getTypeClass()); 5804b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 5814b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 5824b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned NumElements, TypeClass TypeClass) { 5834b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddPointer(ElementType.getAsOpaquePtr()); 5844b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddInteger(NumElements); 5854b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddInteger(TypeClass); 5864b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 5874b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { 5884b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return T->getTypeClass() == Vector || T->getTypeClass() == OCUVector; 5894b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 5904b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const VectorType *) { return true; } 5914b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 5924b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 5934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// OCUVectorType - Extended vector type. This type is created using 5944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// __attribute__((ocu_vector_type(n)), where "n" is the number of elements. 5956154214e20225a883a8a00226499534e9b514315Steve Naroff/// Unlike vector_size, ocu_vector_type is only allowed on typedef's. This 5966154214e20225a883a8a00226499534e9b514315Steve Naroff/// class enables syntactic extensions, like Vector Components for accessing 5976154214e20225a883a8a00226499534e9b514315Steve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 5984b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass OCUVectorType : public VectorType { 5994b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner OCUVectorType(QualType vecType, unsigned nElements, QualType canonType) : 6004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner VectorType(OCUVector, vecType, nElements, canonType) {} 6014b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 6024b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 6039096b795541c783297fb19684a58c54d0fe823b8Chris Lattner static int getPointAccessorIdx(char c) { 6049096b795541c783297fb19684a58c54d0fe823b8Chris Lattner switch (c) { 6059096b795541c783297fb19684a58c54d0fe823b8Chris Lattner default: return -1; 6069096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'x': return 0; 6079096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'y': return 1; 6089096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'z': return 2; 6099096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'w': return 3; 6109096b795541c783297fb19684a58c54d0fe823b8Chris Lattner } 6111b8a46c945927340ae7e79b771e93e7d36da4851Steve Naroff } 6129096b795541c783297fb19684a58c54d0fe823b8Chris Lattner static int getColorAccessorIdx(char c) { 6139096b795541c783297fb19684a58c54d0fe823b8Chris Lattner switch (c) { 6149096b795541c783297fb19684a58c54d0fe823b8Chris Lattner default: return -1; 6159096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'r': return 0; 6169096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'g': return 1; 6179096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'b': return 2; 6189096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'a': return 3; 6199096b795541c783297fb19684a58c54d0fe823b8Chris Lattner } 6201b8a46c945927340ae7e79b771e93e7d36da4851Steve Naroff } 6219096b795541c783297fb19684a58c54d0fe823b8Chris Lattner static int getTextureAccessorIdx(char c) { 6229096b795541c783297fb19684a58c54d0fe823b8Chris Lattner switch (c) { 6239096b795541c783297fb19684a58c54d0fe823b8Chris Lattner default: return -1; 6249096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 's': return 0; 6259096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 't': return 1; 6269096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'p': return 2; 6279096b795541c783297fb19684a58c54d0fe823b8Chris Lattner case 'q': return 3; 6281b8a46c945927340ae7e79b771e93e7d36da4851Steve Naroff } 6299096b795541c783297fb19684a58c54d0fe823b8Chris Lattner }; 63042158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner 63142158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner static int getAccessorIdx(char c) { 63242158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 63342158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner if (int idx = getColorAccessorIdx(c)+1) return idx-1; 63442158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner return getTextureAccessorIdx(c); 63542158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner } 63642158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner 6379096b795541c783297fb19684a58c54d0fe823b8Chris Lattner bool isAccessorWithinNumElements(char c) const { 63842158e7b3a95f41d3482f1fb3a67392dbbf745daChris Lattner if (int idx = getAccessorIdx(c)+1) 6399096b795541c783297fb19684a58c54d0fe823b8Chris Lattner return unsigned(idx-1) < NumElements; 6409096b795541c783297fb19684a58c54d0fe823b8Chris Lattner return false; 6411b8a46c945927340ae7e79b771e93e7d36da4851Steve Naroff } 642c11705f9b742b542724dd56796bf90e07191e342Steve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 643c11705f9b742b542724dd56796bf90e07191e342Steve Naroff 644806b319509d01bffe47317f11140c930da800dbbSteve Naroff static bool classof(const Type *T) { 6454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return T->getTypeClass() == OCUVector; 6464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6474b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const OCUVectorType *) { return true; } 6484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 6494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6504b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 6514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// class of FunctionTypeNoProto and FunctionTypeProto. 6524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 6534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass FunctionType : public Type { 6544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// SubClassData - This field is owned by the subclass, put here to pack 6554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// tightly with the ivars in Type. 6564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool SubClassData : 1; 6574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner // The type returned by the function. 6594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType ResultType; 6604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerprotected: 6614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner FunctionType(TypeClass tc, QualType res, bool SubclassInfo,QualType Canonical) 6624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner : Type(tc, Canonical), SubClassData(SubclassInfo), ResultType(res) {} 6634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool getSubClassData() const { return SubClassData; } 6644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 6654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getResultType() const { return ResultType; } 6674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6684b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6694b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { 6704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return T->getTypeClass() == FunctionNoProto || 6714b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner T->getTypeClass() == FunctionProto; 6724b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6734b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const FunctionType *) { return true; } 6744b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 6754b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6764b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// FunctionTypeNoProto - Represents a K&R-style 'int foo()' function, which has 6774b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// no information available about its arguments. 6784b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass FunctionTypeNoProto : public FunctionType, public llvm::FoldingSetNode { 6794b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner FunctionTypeNoProto(QualType Result, QualType Canonical) 6804b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner : FunctionType(FunctionNoProto, Result, false, Canonical) {} 6814b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 6824b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 6834b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner // No additional state past what FunctionType provides. 6844b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6854b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 6864b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6874b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID) { 6884b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner Profile(ID, getResultType()); 6894b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6904b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType) { 6914b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ID.AddPointer(ResultType.getAsOpaquePtr()); 6924b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 6944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { 6954b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return T->getTypeClass() == FunctionNoProto; 6964b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 6974b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const FunctionTypeNoProto *) { return true; } 6984b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 6994b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// FunctionTypeProto - Represents a prototype with argument type info, e.g. 7014b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 7024b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// arguments, not as having a single void argument. 7034b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass FunctionTypeProto : public FunctionType, public llvm::FoldingSetNode { 7044b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner FunctionTypeProto(QualType Result, QualType *ArgArray, unsigned numArgs, 7054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isVariadic, QualType Canonical) 7064b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner : FunctionType(FunctionProto, Result, isVariadic, Canonical), 7074b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner NumArgs(numArgs) { 7084b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner // Fill in the trailing argument array. 7094b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType *ArgInfo = reinterpret_cast<QualType *>(this+1);; 7104b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner for (unsigned i = 0; i != numArgs; ++i) 7114b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner ArgInfo[i] = ArgArray[i]; 7124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 7134b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// NumArgs - The number of arguments this function has, not counting '...'. 7154b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned NumArgs; 7164b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7174b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 7184b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// holds the argument types. 7194b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 7204b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 7214b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner unsigned getNumArgs() const { return NumArgs; } 7224b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType getArgType(unsigned i) const { 7234b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner assert(i < NumArgs && "Invalid argument number!"); 7244b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return arg_type_begin()[i]; 7254b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 7264b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7274b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isVariadic() const { return getSubClassData(); } 7284b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7294b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner typedef const QualType *arg_type_iterator; 7304b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner arg_type_iterator arg_type_begin() const { 7314b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return reinterpret_cast<const QualType *>(this+1); 7324b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 7334b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 7344b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7354b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 7364b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { 7384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return T->getTypeClass() == FunctionProto; 7394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 7404b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const FunctionTypeProto *) { return true; } 7414b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7424b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner void Profile(llvm::FoldingSetNodeID &ID); 7434b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 7444b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 7454b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool isVariadic); 7464b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 7474b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7484b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7494b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass TypedefType : public Type { 7504b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner TypedefDecl *Decl; 7514b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner TypedefType(TypedefDecl *D, QualType can) : Type(TypeName, can), Decl(D) { 7524b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner assert(!isa<TypedefType>(can) && "Invalid canonical type"); 7534b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 7544b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 7554b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 7564b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7574b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner TypedefDecl *getDecl() const { return Decl; } 7584b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7594b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// LookThroughTypedefs - Return the ultimate type this typedef corresponds to 7604b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// potentially looking through *all* consequtive typedefs. This returns the 7614b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// sum of the type qualifiers, so if you have: 7624b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// typedef const int A; 7634b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// typedef volatile A B; 7644b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner /// looking through the typedefs for B will give you "const volatile A". 7654b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner QualType LookThroughTypedefs() const; 7664b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7674b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 7684b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7694b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { return T->getTypeClass() == TypeName; } 7704b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const TypedefType *) { return true; } 7714b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 7724b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 7737cbb14653934a298c09002b87704dc6531261771Steve Naroff/// TypeOfExpr (GCC extension). 7747cbb14653934a298c09002b87704dc6531261771Steve Naroffclass TypeOfExpr : public Type { 7757cbb14653934a298c09002b87704dc6531261771Steve Naroff Expr *TOExpr; 7767cbb14653934a298c09002b87704dc6531261771Steve Naroff TypeOfExpr(Expr *E, QualType can) : Type(TypeOfExp, can), TOExpr(E) { 7777cbb14653934a298c09002b87704dc6531261771Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 7787cbb14653934a298c09002b87704dc6531261771Steve Naroff } 7797cbb14653934a298c09002b87704dc6531261771Steve Naroff friend class ASTContext; // ASTContext creates these. 7807cbb14653934a298c09002b87704dc6531261771Steve Naroffpublic: 7817cbb14653934a298c09002b87704dc6531261771Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 7827cbb14653934a298c09002b87704dc6531261771Steve Naroff 7837cbb14653934a298c09002b87704dc6531261771Steve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 7847cbb14653934a298c09002b87704dc6531261771Steve Naroff 7857cbb14653934a298c09002b87704dc6531261771Steve Naroff static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExp; } 7867cbb14653934a298c09002b87704dc6531261771Steve Naroff static bool classof(const TypeOfExpr *) { return true; } 7877cbb14653934a298c09002b87704dc6531261771Steve Naroff}; 7887cbb14653934a298c09002b87704dc6531261771Steve Naroff 7897cbb14653934a298c09002b87704dc6531261771Steve Naroff/// TypeOfType (GCC extension). 7907cbb14653934a298c09002b87704dc6531261771Steve Naroffclass TypeOfType : public Type { 7917cbb14653934a298c09002b87704dc6531261771Steve Naroff QualType TOType; 7927cbb14653934a298c09002b87704dc6531261771Steve Naroff TypeOfType(QualType T, QualType can) : Type(TypeOfTyp, can), TOType(T) { 7937cbb14653934a298c09002b87704dc6531261771Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 7947cbb14653934a298c09002b87704dc6531261771Steve Naroff } 7957cbb14653934a298c09002b87704dc6531261771Steve Naroff friend class ASTContext; // ASTContext creates these. 7967cbb14653934a298c09002b87704dc6531261771Steve Naroffpublic: 7977cbb14653934a298c09002b87704dc6531261771Steve Naroff QualType getUnderlyingType() const { return TOType; } 7987cbb14653934a298c09002b87704dc6531261771Steve Naroff 7997cbb14653934a298c09002b87704dc6531261771Steve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 8007cbb14653934a298c09002b87704dc6531261771Steve Naroff 8017cbb14653934a298c09002b87704dc6531261771Steve Naroff static bool classof(const Type *T) { return T->getTypeClass() == TypeOfTyp; } 8027cbb14653934a298c09002b87704dc6531261771Steve Naroff static bool classof(const TypeOfType *) { return true; } 8037cbb14653934a298c09002b87704dc6531261771Steve Naroff}; 8044b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass TagType : public Type { 8064b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner TagDecl *Decl; 8074b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner TagType(TagDecl *D, QualType can) : Type(Tagged, can), Decl(D) {} 8084b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner friend class ASTContext; // ASTContext creates these. 8094b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 8104b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8114b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner TagDecl *getDecl() const { return Decl; } 8124b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8134b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner virtual void getAsStringInternal(std::string &InnerString) const; 8144b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8154b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T) { return T->getTypeClass() == Tagged; } 8164b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const TagType *) { return true; } 8174b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 8184b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 81981f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroffclass ObjcInterfaceType : public Type { 82081f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff ObjcInterfaceDecl *Decl; 82191193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian 82281f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff ObjcInterfaceType(ObjcInterfaceDecl *D) : 82381f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff Type(ObjcInterface, QualType()), Decl(D) { } 82481f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff friend class ASTContext; // ASTContext creates these. 82581f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroffpublic: 82681f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff 82781f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff ObjcInterfaceDecl *getDecl() const { return Decl; } 82881f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff 82981f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff virtual void getAsStringInternal(std::string &InnerString) const; 83091193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian 83181f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff static bool classof(const Type *T) { 83281f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff return T->getTypeClass() == ObjcInterface; 83381f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff } 83481f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff static bool classof(const ObjcInterfaceType *) { return true; } 83581f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff}; 83681f1bbabbdb7dce07802111e2d9648eedc866d51Steve Naroff 837c5a342d3b1cc5fa6eef09653a6d8d091928366c0Fariborz Jahanian/// ObjcQualifiedInterfaceType - This class represents interface types 838c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian/// conforming to a list of protocols; such as, INTF<Proto1, Proto2, Proto1>. 839c5a342d3b1cc5fa6eef09653a6d8d091928366c0Fariborz Jahanian/// Duplicate protocols are removed and protocol list is canonicalized to be in 840c5a342d3b1cc5fa6eef09653a6d8d091928366c0Fariborz Jahanian/// alphabetical order. 84191193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanianclass ObjcQualifiedInterfaceType : public Type, public llvm::FoldingSetNode { 842c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian // Interface type for this protocol conforming object type 843c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian ObjcInterfaceType *InterfaceType; 844c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian 845c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian // List of protocols for this protocol conforming object type 846c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian // List is sorted on protocol name. No protocol is enterred more than once. 847c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian llvm::SmallVector<ObjcProtocolDecl*, 8> Protocols; 848c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian 849d855a6ead44e3a875179400c472ac0b37df35f70Chris Lattner ObjcQualifiedInterfaceType(ObjcInterfaceType *T, 850d855a6ead44e3a875179400c472ac0b37df35f70Chris Lattner ObjcProtocolDecl **Protos, unsigned NumP) : 851d855a6ead44e3a875179400c472ac0b37df35f70Chris Lattner Type(ObjcQualifiedInterface, QualType()), InterfaceType(T), 852d855a6ead44e3a875179400c472ac0b37df35f70Chris Lattner Protocols(Protos, Protos+NumP) { } 85391193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian friend class ASTContext; // ASTContext creates these. 854c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanianpublic: 855c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian 856c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian ObjcInterfaceType *getInterfaceType() const { return InterfaceType; } 85791193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian 85891193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian ObjcProtocolDecl *getProtocols(unsigned i) const { 85991193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian return Protocols[i]; 86091193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian } 86191193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian unsigned getNumProtocols() const { 86291193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian return Protocols.size(); 86391193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian } 86491193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian 86591193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian virtual void getAsStringInternal(std::string &InnerString) const; 86691193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian 86791193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian void Profile(llvm::FoldingSetNodeID &ID); 86891193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian static void Profile(llvm::FoldingSetNodeID &ID, 86991193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian ObjcInterfaceType *interfaceType, 87091193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian ObjcProtocolDecl **protocols, unsigned NumProtocols); 87191193f64449fe1faf9306a04ade6539d26f44037Fariborz Jahanian 872c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian static bool classof(const Type *T) { 873c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian return T->getTypeClass() == ObjcQualifiedInterface; 874c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian } 875c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian static bool classof(const ObjcQualifiedInterfaceType *) { return true; } 876c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian}; 877c04aff17dcfaa5f628bcfed0e393f2e946ea5184Fariborz Jahanian 8784b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 8794b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// to detect TagType objects of structs/unions/classes. 8804b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerclass RecordType : public TagType { 8814b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner RecordType(); // DO NOT IMPLEMENT 8824b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerpublic: 8834b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8842cb6638a26cfa999e5fb999e6af9211127e681c1Steve Naroff RecordDecl *getDecl() const { 8854b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 8864b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner } 8874b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8884b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner // FIXME: This predicate is a helper to QualType/Type. It needs to 8894b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner // recursively check all fields for const-ness. If any field is declared 8904b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner // const, it needs to return false. 8914b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner bool hasConstFields() const { return false; } 8924b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8934b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const Type *T); 8944b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner static bool classof(const RecordType *) { return true; } 8954b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner}; 8964b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 8974b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 898b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner// Inline function definitions. 8994b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 9004b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// getCanonicalType - Return the canonical version of this type, with the 9014b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner/// appropriate type qualifiers on it. 9024b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattnerinline QualType QualType::getCanonicalType() const { 9034b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner return QualType(getTypePtr()->getCanonicalTypeInternal().getTypePtr(), 9044b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner getQualifiers() | 9054b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner getTypePtr()->getCanonicalTypeInternal().getQualifiers()); 9064b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner} 907b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner 908b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner 909b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isFunctionType() const { 910b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner return isa<FunctionType>(CanonicalType); 911b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 912b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isPointerType() const { 913b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner return isa<PointerType>(CanonicalType); 914b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 91583b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenekinline bool Type::isFunctionPointerType() const { 91674a340749eb63af1ba7098c67f3ef72bd48f5ae8Ted Kremenek if (const PointerType* T = getAsPointerType()) 91783b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenek return T->getPointeeType()->isFunctionType(); 91883b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenek else 91983b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenek return false; 92083b01279f2e6718581eeb1e5bdba58aa88e4649bTed Kremenek} 921b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isReferenceType() const { 922b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner return isa<ReferenceType>(CanonicalType); 923b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 924b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isArrayType() const { 925b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner return isa<ArrayType>(CanonicalType); 926b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 927b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isRecordType() const { 928b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner return isa<RecordType>(CanonicalType); 929b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 930b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isVectorType() const { 931b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner return isa<VectorType>(CanonicalType); 932b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 933b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattnerinline bool Type::isOCUVectorType() const { 934b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner return isa<OCUVectorType>(CanonicalType); 935b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner} 936b0fdfd50e1e4011486d5cb3773e1e87c8ec4325aChris Lattner 9374b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner} // end namespace clang 9384b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner 9394b0096578e961587d1ec0ed5dce45f592a65ed4Chris Lattner#endif 940