Attr.h revision 9fe8c74a93ac8e92512615c5f83e7a328b3b0544
1d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson//===--- Attr.h - Classes for representing expressions ----------*- C++ -*-===// 2d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson// 3d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson// The LLVM Compiler Infrastructure 4d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson// 5d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson// This file is distributed under the University of Illinois Open Source 6d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson// License. See LICENSE.TXT for details. 7d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson// 8d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson//===----------------------------------------------------------------------===// 9d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson// 10d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson// This file defines the Attr interface and subclasses. 11d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson// 12d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson//===----------------------------------------------------------------------===// 13d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson 1481226601148d7e7c187b96c6ef86e83df204f59fAnders Carlsson#ifndef LLVM_CLANG_AST_ATTR_H 1581226601148d7e7c187b96c6ef86e83df204f59fAnders Carlsson#define LLVM_CLANG_AST_ATTR_H 16d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson 179594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "clang/Basic/LLVM.h" 18387475d0c18aaeb022108de9d33b6c9fb7998843Sean Hunt#include "clang/Basic/AttrKinds.h" 19a8fb24fa3151567056f6125999cea69e39604f35Fariborz Jahanian#include "clang/AST/Type.h" 20cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt#include "clang/Basic/SourceLocation.h" 210a0d2b179085a52c10402feebeb6db8b4d96a140Douglas Gregor#include "clang/Basic/VersionTuple.h" 229594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "llvm/ADT/SmallVector.h" 239594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "llvm/ADT/StringRef.h" 249594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "llvm/ADT/StringSwitch.h" 259fe8c74a93ac8e92512615c5f83e7a328b3b0544David Blaikie#include "llvm/Support/ErrorHandling.h" 26baa66fc389ca0a9f11e0c864304bcfd89de39439Anders Carlsson#include <cassert> 27ea7e97e14f2f1f9817d2ae8a25ec6ea652e5287fArgyrios Kyrtzidis#include <cstring> 28eb2b2a3f1898f146c6e153a64ec58ec5e1750bd2Ted Kremenek#include <algorithm> 29adf21bdb3d17acfdb74657fcbc5035a404c6c8f4Anders Carlsson 30d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlssonnamespace clang { 31cc5814732edc0c382d0136ab57ec6149566043e2Chris Lattner class ASTContext; 32857e918a8a40deb128840308a318bf623d68295fTed Kremenek class IdentifierInfo; 33857e918a8a40deb128840308a318bf623d68295fTed Kremenek class ObjCInterfaceDecl; 344ced79f0971592e6e7122037de69ee9ae534ce72Chandler Carruth class Expr; 35a8fb24fa3151567056f6125999cea69e39604f35Fariborz Jahanian class QualType; 36cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt class FunctionDecl; 37cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt class TypeSourceInfo; 389f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor} 399f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 409509108b3dde280dca1999b5c054f5b789581e68Chris Lattner// Defined in ASTContext.h 414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadvoid *operator new(size_t Bytes, const clang::ASTContext &C, 429f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor size_t Alignment = 16) throw (); 43cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt// FIXME: Being forced to not have a default argument here due to redeclaration 44cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt// rules on default arguments sucks 454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadvoid *operator new[](size_t Bytes, const clang::ASTContext &C, 46cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt size_t Alignment) throw (); 479f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 489509108b3dde280dca1999b5c054f5b789581e68Chris Lattner// It is good practice to pair new/delete operators. Also, MSVC gives many 499509108b3dde280dca1999b5c054f5b789581e68Chris Lattner// warnings if a matching delete overload is not declared, even though the 509509108b3dde280dca1999b5c054f5b789581e68Chris Lattner// throw() spec guarantees it will not be implicitly called. 514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadvoid operator delete(void *Ptr, const clang::ASTContext &C, size_t) 529509108b3dde280dca1999b5c054f5b789581e68Chris Lattner throw (); 534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadvoid operator delete[](void *Ptr, const clang::ASTContext &C, size_t) 54cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt throw (); 559509108b3dde280dca1999b5c054f5b789581e68Chris Lattner 569f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregornamespace clang { 57d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson 58d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson/// Attr - This represents one attribute. 59d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlssonclass Attr { 60d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlssonprivate: 61ffcc3105d223899740e79f3f8199f3881df4d1deArgyrios Kyrtzidis SourceRange Range; 62cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt unsigned AttrKind : 16; 632f402708e62f89fb875442802e3d3f20fc909d33Anton Korobeynikov 64d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlssonprotected: 65a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne bool Inherited : 1; 66a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne 671de22a26c0e126b08edb2eda9d9091c021d96dc6Douglas Gregor virtual ~Attr(); 681de22a26c0e126b08edb2eda9d9091c021d96dc6Douglas Gregor 690b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner void* operator new(size_t bytes) throw() { 70b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Attrs cannot be allocated with regular 'new'."); 710b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner return 0; 720b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner } 730b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner void operator delete(void* data) throw() { 74b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Attrs cannot be released with regular 'delete'."); 750b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner } 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Huntpublic: 78cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt // Forward so that the regular new and delete do not hide global ones. 79cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt void* operator new(size_t Bytes, ASTContext &C, 80cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt size_t Alignment = 16) throw() { 81cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return ::operator new(Bytes, C, Alignment); 82cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt } 83cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt void operator delete(void *Ptr, ASTContext &C, 84a87cdc03f4014545a8440110c1f4f68701100576Eli Friedman size_t Alignment) throw() { 85cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return ::operator delete(Ptr, C, Alignment); 86cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt } 87cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt 880b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattnerprotected: 89ffcc3105d223899740e79f3f8199f3881df4d1deArgyrios Kyrtzidis Attr(attr::Kind AK, SourceRange R) 90ffcc3105d223899740e79f3f8199f3881df4d1deArgyrios Kyrtzidis : Range(R), AttrKind(AK), Inherited(false) {} 91cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt 92cc5814732edc0c382d0136ab57ec6149566043e2Chris Lattnerpublic: 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 94cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt attr::Kind getKind() const { 95cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return static_cast<attr::Kind>(AttrKind); 96d406bf0e8c17012110a8476d03c6f9a97b56ecf7Anders Carlsson } 971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98ffcc3105d223899740e79f3f8199f3881df4d1deArgyrios Kyrtzidis SourceLocation getLocation() const { return Range.getBegin(); } 99ffcc3105d223899740e79f3f8199f3881df4d1deArgyrios Kyrtzidis SourceRange getRange() const { return Range; } 100ffcc3105d223899740e79f3f8199f3881df4d1deArgyrios Kyrtzidis void setRange(SourceRange R) { Range = R; } 1011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 102192e7f7e7f0493f7cdfda1d752e6de340d4e3ffePeter Collingbourne bool isInherited() const { return Inherited; } 103192e7f7e7f0493f7cdfda1d752e6de340d4e3ffePeter Collingbourne 1049f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor // Clone this attribute. 1059f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor virtual Attr* clone(ASTContext &C) const = 0; 1069f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 107d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson // Implement isa/cast/dyncast/etc. 108d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson static bool classof(const Attr *) { return true; } 109d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson}; 110387475d0c18aaeb022108de9d33b6c9fb7998843Sean Hunt 111a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourneclass InheritableAttr : public Attr { 112a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourneprotected: 113768d6cae40ad4ff3aed5483269d068ff7a45e229Argyrios Kyrtzidis InheritableAttr(attr::Kind AK, SourceRange R) 114768d6cae40ad4ff3aed5483269d068ff7a45e229Argyrios Kyrtzidis : Attr(AK, R) {} 115a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne 116a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbournepublic: 117a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne void setInherited(bool I) { Inherited = I; } 118a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne 119a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne // Implement isa/cast/dyncast/etc. 120a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne static bool classof(const Attr *A) { 121a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne return A->getKind() <= attr::LAST_INHERITABLE; 122a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne } 123a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne static bool classof(const InheritableAttr *) { return true; } 124a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne}; 125a97d70b7ea9633e8cbf976510d7a9ea66f4ac96cPeter Collingbourne 126eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCallclass InheritableParamAttr : public InheritableAttr { 127eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCallprotected: 128768d6cae40ad4ff3aed5483269d068ff7a45e229Argyrios Kyrtzidis InheritableParamAttr(attr::Kind AK, SourceRange R) 129768d6cae40ad4ff3aed5483269d068ff7a45e229Argyrios Kyrtzidis : InheritableAttr(AK, R) {} 130eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCall 131eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCallpublic: 132eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCall // Implement isa/cast/dyncast/etc. 133eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCall static bool classof(const Attr *A) { 134eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCall return A->getKind() <= attr::LAST_INHERITABLE_PARAM; 135eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCall } 136eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCall static bool classof(const InheritableParamAttr *) { return true; } 137eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCall}; 138eca5d22c16eb784e5f35ca816fa22e0c0e060417John McCall 139387475d0c18aaeb022108de9d33b6c9fb7998843Sean Hunt#include "clang/AST/Attrs.inc" 1401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 141cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt/// AttrVec - A vector of Attr, which is how they are stored on the AST. 142686775deca8b8685eb90801495880e3abdd844c2Chris Lattnertypedef SmallVector<Attr*, 2> AttrVec; 143686775deca8b8685eb90801495880e3abdd844c2Chris Lattnertypedef SmallVector<const Attr*, 2> ConstAttrVec; 144dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek 145cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt/// DestroyAttrs - Destroy the contents of an AttrVec. 146cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Huntinline void DestroyAttrs (AttrVec& V, ASTContext &C) { 147cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt} 148dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek 149cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt/// specific_attr_iterator - Iterates over a subrange of an AttrVec, only 150cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt/// providing attributes that are of a specifc type. 151cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunttemplate <typename SpecificAttr> 152cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Huntclass specific_attr_iterator { 153cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt /// Current - The current, underlying iterator. 154cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt /// In order to ensure we don't dereference an invalid iterator unless 155cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt /// specifically requested, we don't necessarily advance this all the 156cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt /// way. Instead, we advance it when an operation is requested; if the 157cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt /// operation is acting on what should be a past-the-end iterator, 158cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt /// then we offer no guarantees, but this way we do not dererence a 159cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt /// past-the-end iterator when we move to a past-the-end position. 160cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt mutable AttrVec::const_iterator Current; 161dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek 162cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt void AdvanceToNext() const { 1639594675cc1eb52a054de13c4a21e466643847480Chris Lattner while (!isa<SpecificAttr>(*Current)) 164cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt ++Current; 165dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek } 166dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek 167cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt void AdvanceToNext(AttrVec::const_iterator I) const { 1689594675cc1eb52a054de13c4a21e466643847480Chris Lattner while (Current != I && !isa<SpecificAttr>(*Current)) 169cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt ++Current; 170dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek } 171dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek 172dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenekpublic: 173cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt typedef SpecificAttr* value_type; 174cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt typedef SpecificAttr* reference; 175cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt typedef SpecificAttr* pointer; 176cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt typedef std::forward_iterator_tag iterator_category; 177cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt typedef std::ptrdiff_t difference_type; 178dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek 179cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt specific_attr_iterator() : Current() { } 180cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt explicit specific_attr_iterator(AttrVec::const_iterator i) : Current(i) { } 181dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek 182cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt reference operator*() const { 183cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt AdvanceToNext(); 1849594675cc1eb52a054de13c4a21e466643847480Chris Lattner return cast<SpecificAttr>(*Current); 185dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek } 186cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt pointer operator->() const { 187cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt AdvanceToNext(); 1889594675cc1eb52a054de13c4a21e466643847480Chris Lattner return cast<SpecificAttr>(*Current); 189dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek } 190dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek 191cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt specific_attr_iterator& operator++() { 192cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt ++Current; 193cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return *this; 194dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek } 195cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt specific_attr_iterator operator++(int) { 196cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt specific_attr_iterator Tmp(*this); 197cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt ++(*this); 198cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return Tmp; 199dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek } 200dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek 201cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt friend bool operator==(specific_attr_iterator Left, 202cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt specific_attr_iterator Right) { 203cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (Left.Current < Right.Current) 204cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt Left.AdvanceToNext(Right.Current); 205cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt else 206cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt Right.AdvanceToNext(Left.Current); 207cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return Left.Current == Right.Current; 208dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek } 209cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt friend bool operator!=(specific_attr_iterator Left, 210cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt specific_attr_iterator Right) { 211cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return !(Left == Right); 212dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek } 213dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek}; 214dd0e490c24aeade2c59ca4cae171199f6af9f02eTed Kremenek 215cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunttemplate <typename T> 216cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Huntinline specific_attr_iterator<T> specific_attr_begin(const AttrVec& vec) { 217cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return specific_attr_iterator<T>(vec.begin()); 218cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt} 219cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunttemplate <typename T> 220cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Huntinline specific_attr_iterator<T> specific_attr_end(const AttrVec& vec) { 221cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return specific_attr_iterator<T>(vec.end()); 222cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt} 22382d0a418c8699fc6f4a9417457ffe93d43bba1c1Anton Korobeynikov 224cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunttemplate <typename T> 225cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Huntinline bool hasSpecificAttr(const AttrVec& vec) { 226cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return specific_attr_begin<T>(vec) != specific_attr_end<T>(vec); 227cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt} 228cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunttemplate <typename T> 229cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Huntinline T *getSpecificAttr(const AttrVec& vec) { 230cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt specific_attr_iterator<T> i = specific_attr_begin<T>(vec); 231cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt if (i != specific_attr_end<T>(vec)) 232cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return *i; 233cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt else 234cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return 0; 235cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt} 2365a0164d6ab843ca61437ec59a504365cb1c98f43Charles Davis 237cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt/// getMaxAlignment - Returns the highest alignment value found among 238cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt/// AlignedAttrs in an AttrVec, or 0 if there are none. 239cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Huntinline unsigned getMaxAttrAlignment(const AttrVec& V, ASTContext &Ctx) { 240cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt unsigned Align = 0; 241cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt specific_attr_iterator<AlignedAttr> i(V.begin()), e(V.end()); 242cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt for(; i != e; ++i) 243cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt Align = std::max(Align, i->getAlignment(Ctx)); 244cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt return Align; 245cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt} 2461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 247d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson} // end namespace clang 248d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson 249d429cd459aef723fa0e7a44ac957d4c2256e241cAnders Carlsson#endif 250