12e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor//===-- DeclarationName.h - Representation of declaration names -*- C++ -*-===// 22e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor// 32e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor// The LLVM Compiler Infrastructure 42e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor// 52e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor// This file is distributed under the University of Illinois Open Source 62e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor// License. See LICENSE.TXT for details. 72e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor// 82e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor//===----------------------------------------------------------------------===// 92e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor// 102e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor// This file declares the DeclarationName and DeclarationNameTable classes. 112e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor// 122e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor//===----------------------------------------------------------------------===// 132e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor#ifndef LLVM_CLANG_AST_DECLARATIONNAME_H 142e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor#define LLVM_CLANG_AST_DECLARATIONNAME_H 152e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 162e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor#include "clang/Basic/IdentifierTable.h" 17d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer#include "clang/Basic/PartialDiagnostic.h" 18aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/Compiler.h" 192e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 202e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregornamespace llvm { 212e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor template <typename T> struct DenseMapInfo; 222e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor} 232e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 242e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregornamespace clang { 259852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer class ASTContext; 263e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt class CXXLiteralOperatorIdName; 279852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer class CXXOperatorIdName; 289852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer class CXXSpecialName; 29011bb4edf731d529da1cbf71c7c2696aaf5a054fChris Lattner class DeclarationNameExtra; 302e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor class IdentifierInfo; 31011bb4edf731d529da1cbf71c7c2696aaf5a054fChris Lattner class MultiKeywordSelector; 326bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines enum OverloadedOperatorKind : int; 339852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer class QualType; 349852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer class Type; 352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara class TypeSourceInfo; 369852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer class UsingDirectiveDecl; 379852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer 389852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer template <typename> class CanQual; 399852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer typedef CanQual<Type> CanQualType; 402e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 412e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// DeclarationName - The name of a declaration. In the common case, 422e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// this just stores an IdentifierInfo pointer to a normal 432e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// name. However, it also provides encodings for Objective-C 442e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// selectors (optimizing zero- and one-argument selectors, which make 452e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// up 78% percent of all selectors in Cocoa.h) and special C++ names 462e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// for constructors, destructors, and conversion functions. 472e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregorclass DeclarationName { 482e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregorpublic: 492e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// NameKind - The kind of name this object contains. 502e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor enum NameKind { 512e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor Identifier, 522e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor ObjCZeroArgSelector, 532e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor ObjCOneArgSelector, 542e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor ObjCMultiArgSelector, 552e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor CXXConstructorName, 562e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor CXXDestructorName, 57e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor CXXConversionFunctionName, 582a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor CXXOperatorName, 593e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt CXXLiteralOperatorName, 602a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor CXXUsingDirective 612e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor }; 622e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 632e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregorprivate: 642e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// StoredNameKind - The kind of name that is actually stored in the 652e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// upper bits of the Ptr field. This is only used internally. 6651603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor /// 6751603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor /// Note: The entries here are synchronized with the entries in Selector, 6851603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor /// for efficient translation between the two. 692e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor enum StoredNameKind { 702e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor StoredIdentifier = 0, 7151603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor StoredObjCZeroArgSelector = 0x01, 7251603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor StoredObjCOneArgSelector = 0x02, 7351603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor StoredDeclarationNameExtra = 0x03, 742e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor PtrMask = 0x03 752e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor }; 762e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 772e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// Ptr - The lowest two bits are used to express what kind of name 782e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// we're actually storing, using the values of NameKind. Depending 792e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// on the kind of name this is, the upper bits of Ptr may have one 802e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// of several different meanings: 812e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// 82e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// StoredIdentifier - The name is a normal identifier, and Ptr is 83e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// a normal IdentifierInfo pointer. 842e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// 85e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// StoredObjCZeroArgSelector - The name is an Objective-C 86e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// selector with zero arguments, and Ptr is an IdentifierInfo 87e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// pointer pointing to the selector name. 882e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// 89e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// StoredObjCOneArgSelector - The name is an Objective-C selector 90e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// with one argument, and Ptr is an IdentifierInfo pointer 91e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// pointing to the selector name. 922e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// 93e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// StoredDeclarationNameExtra - Ptr is actually a pointer to a 94e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// DeclarationNameExtra structure, whose first value will tell us 95e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// whether this is an Objective-C selector, C++ operator-id name, 96e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// or special C++ name. 972e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor uintptr_t Ptr; 982e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 992e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getStoredNameKind - Return the kind of object that is stored in 1002e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// Ptr. 1012e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor StoredNameKind getStoredNameKind() const { 1022e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return static_cast<StoredNameKind>(Ptr & PtrMask); 1032e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 1042e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1052e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getExtra - Get the "extra" information associated with this 1062e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// multi-argument selector or C++ special name. 1072e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationNameExtra *getExtra() const { 108e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor assert(getStoredNameKind() == StoredDeclarationNameExtra && 1092e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor "Declaration name does not store an Extra structure"); 1102e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return reinterpret_cast<DeclarationNameExtra *>(Ptr & ~PtrMask); 1112e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 1122e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1132e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getAsCXXSpecialName - If the stored pointer is actually a 1142e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// CXXSpecialName, returns a pointer to it. Otherwise, returns 1152e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// a NULL pointer. 1162e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor CXXSpecialName *getAsCXXSpecialName() const { 117c470442fe144b93c2877134559d0067b3215289dBenjamin Kramer NameKind Kind = getNameKind(); 118c470442fe144b93c2877134559d0067b3215289dBenjamin Kramer if (Kind >= CXXConstructorName && Kind <= CXXConversionFunctionName) 1192e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return reinterpret_cast<CXXSpecialName *>(Ptr & ~PtrMask); 1206bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1212e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 1222e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 123e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// getAsCXXOperatorIdName 124e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor CXXOperatorIdName *getAsCXXOperatorIdName() const { 125e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor if (getNameKind() == CXXOperatorName) 126e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return reinterpret_cast<CXXOperatorIdName *>(Ptr & ~PtrMask); 1276bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 128e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor } 129e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor 1303e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt CXXLiteralOperatorIdName *getAsCXXLiteralOperatorIdName() const { 1313e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt if (getNameKind() == CXXLiteralOperatorName) 1323e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt return reinterpret_cast<CXXLiteralOperatorIdName *>(Ptr & ~PtrMask); 1336bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 1343e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt } 1353e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt 1362e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor // Construct a declaration name from the name of a C++ constructor, 1372e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor // destructor, or conversion function. 1381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclarationName(CXXSpecialName *Name) 1391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Ptr(reinterpret_cast<uintptr_t>(Name)) { 1402e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor assert((Ptr & PtrMask) == 0 && "Improperly aligned CXXSpecialName"); 141e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor Ptr |= StoredDeclarationNameExtra; 142e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor } 143e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor 144e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor // Construct a declaration name from the name of a C++ overloaded 145e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor // operator. 1461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclarationName(CXXOperatorIdName *Name) 1471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Ptr(reinterpret_cast<uintptr_t>(Name)) { 148e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor assert((Ptr & PtrMask) == 0 && "Improperly aligned CXXOperatorId"); 149e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor Ptr |= StoredDeclarationNameExtra; 1502e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 1512e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1523e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt DeclarationName(CXXLiteralOperatorIdName *Name) 1533e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt : Ptr(reinterpret_cast<uintptr_t>(Name)) { 1543e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt assert((Ptr & PtrMask) == 0 && "Improperly aligned CXXLiteralOperatorId"); 1553e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt Ptr |= StoredDeclarationNameExtra; 1563e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt } 1573e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt 1582e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// Construct a declaration name from a raw pointer. 1592e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationName(uintptr_t Ptr) : Ptr(Ptr) { } 1602e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1612e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor friend class DeclarationNameTable; 1622a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor friend class NamedDecl; 1632e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 164c470442fe144b93c2877134559d0067b3215289dBenjamin Kramer /// getFETokenInfoAsVoidSlow - Retrieves the front end-specified pointer 165c470442fe144b93c2877134559d0067b3215289dBenjamin Kramer /// for this name as a void pointer if it's not an identifier. 166514d3b6b93c83c0841d2f9dd7af8ecc2877fe921Douglas Gregor void *getFETokenInfoAsVoidSlow() const; 1672def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor 1682e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregorpublic: 1692e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// DeclarationName - Used to create an empty selector. 1702e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor DeclarationName() : Ptr(0) { } 1712e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1722e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor // Construct a declaration name from an IdentifierInfo *. 1731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclarationName(const IdentifierInfo *II) 1741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Ptr(reinterpret_cast<uintptr_t>(II)) { 1752e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor assert((Ptr & PtrMask) == 0 && "Improperly aligned IdentifierInfo"); 1762e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 1772e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1782e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor // Construct a declaration name from an Objective-C selector. 17951603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor DeclarationName(Selector Sel) : Ptr(Sel.InfoPtr) { } 1802e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 1816ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor /// getUsingDirectiveName - Return name for all using-directives. 1826ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor static DeclarationName getUsingDirectiveName(); 1836ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor 1842def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // operator bool() - Evaluates true when this declaration name is 1852def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor // non-empty. 1867247c88d1e41514a41085f83ebf03dd5220e054aDavid Blaikie LLVM_EXPLICIT operator bool() const { 1871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ((Ptr & PtrMask) != 0) || 1882def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor (reinterpret_cast<IdentifierInfo *>(Ptr & ~PtrMask)); 1892def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor } 1902def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor 1917247c88d1e41514a41085f83ebf03dd5220e054aDavid Blaikie /// \brief Evaluates true when this declaration name is empty. 1927247c88d1e41514a41085f83ebf03dd5220e054aDavid Blaikie bool isEmpty() const { 1937247c88d1e41514a41085f83ebf03dd5220e054aDavid Blaikie return !*this; 1947247c88d1e41514a41085f83ebf03dd5220e054aDavid Blaikie } 1957247c88d1e41514a41085f83ebf03dd5220e054aDavid Blaikie 19691058ff73fd3b00275348dd4d49f83501dfc0542Chris Lattner /// Predicate functions for querying what type of name this is. 19791058ff73fd3b00275348dd4d49f83501dfc0542Chris Lattner bool isIdentifier() const { return getStoredNameKind() == StoredIdentifier; } 19891058ff73fd3b00275348dd4d49f83501dfc0542Chris Lattner bool isObjCZeroArgSelector() const { 19991058ff73fd3b00275348dd4d49f83501dfc0542Chris Lattner return getStoredNameKind() == StoredObjCZeroArgSelector; 20091058ff73fd3b00275348dd4d49f83501dfc0542Chris Lattner } 20191058ff73fd3b00275348dd4d49f83501dfc0542Chris Lattner bool isObjCOneArgSelector() const { 20291058ff73fd3b00275348dd4d49f83501dfc0542Chris Lattner return getStoredNameKind() == StoredObjCOneArgSelector; 20391058ff73fd3b00275348dd4d49f83501dfc0542Chris Lattner } 2041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2052e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getNameKind - Determine what kind of name this is. 2062e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor NameKind getNameKind() const; 2071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20848026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor /// \brief Determines whether the name itself is dependent, e.g., because it 20948026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor /// involves a C++ type that is itself dependent. 21048026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor /// 21148026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor /// Note that this does not capture all of the notions of "dependent name", 21248026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor /// because an identifier can be a dependent name if it is used as the 21348026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor /// callee in a call expression with dependent arguments. 21448026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor bool isDependentName() const; 21548026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor 216f6cde77d7bc34bbee26b086ff192637af8e9da59Benjamin Kramer /// getNameAsString - Retrieve the human-readable string for this name. 21710bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor std::string getAsString() const; 21810bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor 2192e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getAsIdentifierInfo - Retrieve the IdentifierInfo * stored in 2202e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// this declaration name, or NULL if this declaration name isn't a 2212e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// simple identifier. 2221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IdentifierInfo *getAsIdentifierInfo() const { 22391058ff73fd3b00275348dd4d49f83501dfc0542Chris Lattner if (isIdentifier()) 2242e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return reinterpret_cast<IdentifierInfo *>(Ptr); 2256bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return nullptr; 2262e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 2272e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2282e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getAsOpaqueInteger - Get the representation of this declaration 2292e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// name as an opaque integer. 2302e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor uintptr_t getAsOpaqueInteger() const { return Ptr; } 2312e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 23244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor /// getAsOpaquePtr - Get the representation of this declaration name as 23344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor /// an opaque pointer. 23444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor void *getAsOpaquePtr() const { return reinterpret_cast<void*>(Ptr); } 23544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 236a8f32e0965ee19ecc53cd796e34268377a20357cDouglas Gregor static DeclarationName getFromOpaquePtr(void *P) { 237a8f32e0965ee19ecc53cd796e34268377a20357cDouglas Gregor DeclarationName N; 238a8f32e0965ee19ecc53cd796e34268377a20357cDouglas Gregor N.Ptr = reinterpret_cast<uintptr_t> (P); 239a8f32e0965ee19ecc53cd796e34268377a20357cDouglas Gregor return N; 240a8f32e0965ee19ecc53cd796e34268377a20357cDouglas Gregor } 2413e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt 242011bb4edf731d529da1cbf71c7c2696aaf5a054fChris Lattner static DeclarationName getFromOpaqueInteger(uintptr_t P) { 243011bb4edf731d529da1cbf71c7c2696aaf5a054fChris Lattner DeclarationName N; 244011bb4edf731d529da1cbf71c7c2696aaf5a054fChris Lattner N.Ptr = P; 245011bb4edf731d529da1cbf71c7c2696aaf5a054fChris Lattner return N; 246011bb4edf731d529da1cbf71c7c2696aaf5a054fChris Lattner } 2471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2482e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getCXXNameType - If this name is one of the C++ names (of a 2492e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// constructor, destructor, or conversion function), return the 2502e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// type associated with that name. 2512e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor QualType getCXXNameType() const; 2522e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 253e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// getCXXOverloadedOperator - If this name is the name of an 254e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// overloadable operator in C++ (e.g., @c operator+), retrieve the 255e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// kind of overloaded operator. 256e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor OverloadedOperatorKind getCXXOverloadedOperator() const; 257e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor 2583e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt /// getCXXLiteralIdentifier - If this name is the name of a literal 2593e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt /// operator, retrieve the identifier associated with it. 2603e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt IdentifierInfo *getCXXLiteralIdentifier() const; 2613e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt 2622e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getObjCSelector - Get the Objective-C selector stored in this 2632e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// declaration name. 26451603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor Selector getObjCSelector() const { 26551603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor assert((getNameKind() == ObjCZeroArgSelector || 26651603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor getNameKind() == ObjCOneArgSelector || 26751603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor getNameKind() == ObjCMultiArgSelector || 26851603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor Ptr == 0) && "Not a selector!"); 26951603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor return Selector(Ptr); 27051603be62ba78adeb64246b222583dcde4b20b2aDouglas Gregor } 2712e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2722def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor /// getFETokenInfo/setFETokenInfo - The language front-end is 2732def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor /// allowed to associate arbitrary metadata with some kinds of 2742def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor /// declaration names, including normal identifiers and C++ 2752def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor /// constructors, destructors, and conversion functions. 2762def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor template<typename T> 277c470442fe144b93c2877134559d0067b3215289dBenjamin Kramer T *getFETokenInfo() const { 278c470442fe144b93c2877134559d0067b3215289dBenjamin Kramer if (const IdentifierInfo *Info = getAsIdentifierInfo()) 279c470442fe144b93c2877134559d0067b3215289dBenjamin Kramer return Info->getFETokenInfo<T>(); 280c470442fe144b93c2877134559d0067b3215289dBenjamin Kramer return static_cast<T*>(getFETokenInfoAsVoidSlow()); 281c470442fe144b93c2877134559d0067b3215289dBenjamin Kramer } 2822def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor 2832def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor void setFETokenInfo(void *T); 2842def48394f6d48bde0dec2b514193c2b533265b5Douglas Gregor 2852e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// operator== - Determine whether the specified names are identical.. 2862e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor friend bool operator==(DeclarationName LHS, DeclarationName RHS) { 2872e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS.Ptr == RHS.Ptr; 2882e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 2892e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2902e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// operator!= - Determine whether the specified names are different. 2912e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor friend bool operator!=(DeclarationName LHS, DeclarationName RHS) { 2922e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS.Ptr != RHS.Ptr; 2932e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 2942e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2952e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor static DeclarationName getEmptyMarker() { 2962e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return DeclarationName(uintptr_t(-1)); 2972e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 2982e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 2992e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor static DeclarationName getTombstoneMarker() { 3002e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return DeclarationName(uintptr_t(-2)); 3012e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 3027fe0b9ea2c8137c035402e6ea01dfdfbc93214cbJohn McCall 3037fe0b9ea2c8137c035402e6ea01dfdfbc93214cbJohn McCall static int compare(DeclarationName LHS, DeclarationName RHS); 30470f5bc77dbe4172bde860e15d8b3c29e0d5005cbAnders Carlsson 30570f5bc77dbe4172bde860e15d8b3c29e0d5005cbAnders Carlsson void dump() const; 3062e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor}; 3072e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 30817828ca5857d5d9cadfffd339f888de58182c8f1David Blaikieraw_ostream &operator<<(raw_ostream &OS, DeclarationName N); 30917828ca5857d5d9cadfffd339f888de58182c8f1David Blaikie 3102e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// Ordering on two declaration names. If both names are identifiers, 3112e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// this provides a lexicographical ordering. 3127fe0b9ea2c8137c035402e6ea01dfdfbc93214cbJohn McCallinline bool operator<(DeclarationName LHS, DeclarationName RHS) { 3137fe0b9ea2c8137c035402e6ea01dfdfbc93214cbJohn McCall return DeclarationName::compare(LHS, RHS) < 0; 3147fe0b9ea2c8137c035402e6ea01dfdfbc93214cbJohn McCall} 3152e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3162e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// Ordering on two declaration names. If both names are identifiers, 3172e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// this provides a lexicographical ordering. 3182e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregorinline bool operator>(DeclarationName LHS, DeclarationName RHS) { 3197fe0b9ea2c8137c035402e6ea01dfdfbc93214cbJohn McCall return DeclarationName::compare(LHS, RHS) > 0; 3202e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor} 3212e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3222e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// Ordering on two declaration names. If both names are identifiers, 3232e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// this provides a lexicographical ordering. 3242e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregorinline bool operator<=(DeclarationName LHS, DeclarationName RHS) { 3257fe0b9ea2c8137c035402e6ea01dfdfbc93214cbJohn McCall return DeclarationName::compare(LHS, RHS) <= 0; 3262e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor} 3272e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3282e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// Ordering on two declaration names. If both names are identifiers, 3292e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// this provides a lexicographical ordering. 3302e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregorinline bool operator>=(DeclarationName LHS, DeclarationName RHS) { 3317fe0b9ea2c8137c035402e6ea01dfdfbc93214cbJohn McCall return DeclarationName::compare(LHS, RHS) >= 0; 3322e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor} 3332e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3342e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// DeclarationNameTable - Used to store and retrieve DeclarationName 3352e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// instances for the various kinds of declaration names, e.g., normal 3362e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// identifiers, C++ constructor names, etc. This class contains 3372e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// uniqued versions of each of the C++ special names, which can be 3382e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// retrieved using its member functions (e.g., 3392e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// getCXXConstructorName). 3402e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregorclass DeclarationNameTable { 3414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Ctx; 3422e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor void *CXXSpecialNamesImpl; // Actually a FoldingSet<CXXSpecialName> * 343e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor CXXOperatorIdName *CXXOperatorNames; // Operator names 344ac9590effa90406767a544005ed1de52e258306bTed Kremenek void *CXXLiteralOperatorNames; // Actually a CXXOperatorIdName* 3452e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 346be2fa7ebf01259b63dc52fe46c8d101c18e72269Craig Topper DeclarationNameTable(const DeclarationNameTable&) LLVM_DELETED_FUNCTION; 347be2fa7ebf01259b63dc52fe46c8d101c18e72269Craig Topper void operator=(const DeclarationNameTable&) LLVM_DELETED_FUNCTION; 3482e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3492e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregorpublic: 3504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DeclarationNameTable(const ASTContext &C); 3512e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor ~DeclarationNameTable(); 3522e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3532e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getIdentifier - Create a declaration name that is a simple 3542e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// identifier. 355909e58988b3a3bb2ad36bec03aafa1302544fd73John McCall DeclarationName getIdentifier(const IdentifierInfo *ID) { 3562e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return DeclarationName(ID); 3572e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 3582e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3592e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getCXXConstructorName - Returns the name of a C++ constructor 3602e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// for the given Type. 3619852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer DeclarationName getCXXConstructorName(CanQualType Ty); 3622e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3632e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getCXXDestructorName - Returns the name of a C++ destructor 3642e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// for the given Type. 3659852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer DeclarationName getCXXDestructorName(CanQualType Ty); 3662e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3672e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getCXXConversionFunctionName - Returns the name of a C++ 3682e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// conversion function for the given Type. 3699852f58f50b4fc20914fbce5b4454135a42343f4Benjamin Kramer DeclarationName getCXXConversionFunctionName(CanQualType Ty); 3702e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3712e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// getCXXSpecialName - Returns a declaration name for special kind 3722e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// of C++ name, e.g., for a constructor, destructor, or conversion 3732e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor /// function. 3741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclarationName getCXXSpecialName(DeclarationName::NameKind Kind, 37550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CanQualType Ty); 376e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor 377e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// getCXXOperatorName - Get the name of the overloadable C++ 378e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor /// operator corresponding to Op. 379e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor DeclarationName getCXXOperatorName(OverloadedOperatorKind Op); 3803e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt 3813e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt /// getCXXLiteralOperatorName - Get the name of the literal operator function 3823e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt /// with II as the identifier. 3833e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt DeclarationName getCXXLiteralOperatorName(IdentifierInfo *II); 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump}; 3852e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 3862577743c5650c646fb705df01403707e94f2df04Abramo Bagnara/// DeclarationNameLoc - Additional source/type location info 3872577743c5650c646fb705df01403707e94f2df04Abramo Bagnara/// for a declaration name. Needs a DeclarationName in order 3882577743c5650c646fb705df01403707e94f2df04Abramo Bagnara/// to be interpreted correctly. 3892577743c5650c646fb705df01403707e94f2df04Abramo Bagnarastruct DeclarationNameLoc { 390e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // The source location for identifier stored elsewhere. 391e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // struct {} Identifier; 392e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher 393e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // Type info for constructors, destructors and conversion functions. 394e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // Locations (if any) for the tilde (destructor) or operator keyword 395e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // (conversion) are stored elsewhere. 396e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher struct NT { 397e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher TypeSourceInfo* TInfo; 398e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher }; 399e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher 400e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // The location (if any) of the operator keyword is stored elsewhere. 401e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher struct CXXOpName { 402e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher unsigned BeginOpNameLoc; 403e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher unsigned EndOpNameLoc; 404e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher }; 405e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher 406e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // The location (if any) of the operator keyword is stored elsewhere. 407e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher struct CXXLitOpName { 408e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher unsigned OpNameLoc; 409e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher }; 410e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher 411e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // struct {} CXXUsingDirective; 412e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // struct {} ObjCZeroArgSelector; 413e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // struct {} ObjCOneArgSelector; 414e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher // struct {} ObjCMultiArgSelector; 4152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara union { 416e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher struct NT NamedType; 417e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher struct CXXOpName CXXOperatorName; 418e462c60ac3365d3302b7d0a566c5cb7dbe0e5ae3Eric Christopher struct CXXLitOpName CXXLiteralOperatorName; 4192577743c5650c646fb705df01403707e94f2df04Abramo Bagnara }; 4202577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4212577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc(DeclarationName Name); 4222577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // FIXME: this should go away once all DNLocs are properly initialized. 4238f0889ce457db51d3af1eb1245bceee272d4dc7dTed Kremenek DeclarationNameLoc() { memset((void*) this, 0, sizeof(*this)); } 4242577743c5650c646fb705df01403707e94f2df04Abramo Bagnara}; // struct DeclarationNameLoc 4252577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4262577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4272577743c5650c646fb705df01403707e94f2df04Abramo Bagnara/// DeclarationNameInfo - A collector data type for bundling together 4282577743c5650c646fb705df01403707e94f2df04Abramo Bagnara/// a DeclarationName and the correspnding source/type location info. 4292577743c5650c646fb705df01403707e94f2df04Abramo Bagnarastruct DeclarationNameInfo { 4302577743c5650c646fb705df01403707e94f2df04Abramo Bagnaraprivate: 4312577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// Name - The declaration name, also encoding name kind. 4322577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName Name; 4332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// Loc - The main source location for the declaration name. 4342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation NameLoc; 4352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// Info - Further source/type location info for special kinds of names. 4362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc LocInfo; 4372577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4382577743c5650c646fb705df01403707e94f2df04Abramo Bagnarapublic: 4392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // FIXME: remove it. 4402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo() {} 4412577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4422577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo(DeclarationName Name, SourceLocation NameLoc) 4432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara : Name(Name), NameLoc(NameLoc), LocInfo(Name) {} 4442577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameInfo(DeclarationName Name, SourceLocation NameLoc, 4462577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc LocInfo) 4472577743c5650c646fb705df01403707e94f2df04Abramo Bagnara : Name(Name), NameLoc(NameLoc), LocInfo(LocInfo) {} 4482577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4492577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// getName - Returns the embedded declaration name. 4502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName getName() const { return Name; } 4512577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// setName - Sets the embedded declaration name. 4522577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setName(DeclarationName N) { Name = N; } 4532577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4542577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// getLoc - Returns the main location of the declaration name. 4552577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getLoc() const { return NameLoc; } 4562577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// setLoc - Sets the main location of the declaration name. 4572577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setLoc(SourceLocation L) { NameLoc = L; } 4582577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4592577743c5650c646fb705df01403707e94f2df04Abramo Bagnara const DeclarationNameLoc &getInfo() const { return LocInfo; } 4602577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc &getInfo() { return LocInfo; } 4612577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setInfo(const DeclarationNameLoc &Info) { LocInfo = Info; } 4622577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4632577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// getNamedTypeInfo - Returns the source type info associated to 4642577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// the name. Assumes it is a constructor, destructor or conversion. 4652577743c5650c646fb705df01403707e94f2df04Abramo Bagnara TypeSourceInfo *getNamedTypeInfo() const { 4662577743c5650c646fb705df01403707e94f2df04Abramo Bagnara assert(Name.getNameKind() == DeclarationName::CXXConstructorName || 4672577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Name.getNameKind() == DeclarationName::CXXDestructorName || 4682577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Name.getNameKind() == DeclarationName::CXXConversionFunctionName); 4692577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return LocInfo.NamedType.TInfo; 4702577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 4712577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// setNamedTypeInfo - Sets the source type info associated to 4722577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// the name. Assumes it is a constructor, destructor or conversion. 4732577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setNamedTypeInfo(TypeSourceInfo *TInfo) { 4742577743c5650c646fb705df01403707e94f2df04Abramo Bagnara assert(Name.getNameKind() == DeclarationName::CXXConstructorName || 4752577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Name.getNameKind() == DeclarationName::CXXDestructorName || 4762577743c5650c646fb705df01403707e94f2df04Abramo Bagnara Name.getNameKind() == DeclarationName::CXXConversionFunctionName); 4772577743c5650c646fb705df01403707e94f2df04Abramo Bagnara LocInfo.NamedType.TInfo = TInfo; 4782577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 4792577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4802577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// getCXXOperatorNameRange - Gets the range of the operator name 4812577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// (without the operator keyword). Assumes it is a (non-literal) operator. 4822577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceRange getCXXOperatorNameRange() const { 4832577743c5650c646fb705df01403707e94f2df04Abramo Bagnara assert(Name.getNameKind() == DeclarationName::CXXOperatorName); 4842577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return SourceRange( 4852577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation::getFromRawEncoding(LocInfo.CXXOperatorName.BeginOpNameLoc), 4862577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation::getFromRawEncoding(LocInfo.CXXOperatorName.EndOpNameLoc) 4872577743c5650c646fb705df01403707e94f2df04Abramo Bagnara ); 4882577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 4892577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// setCXXOperatorNameRange - Sets the range of the operator name 4902577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// (without the operator keyword). Assumes it is a C++ operator. 4912577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setCXXOperatorNameRange(SourceRange R) { 4922577743c5650c646fb705df01403707e94f2df04Abramo Bagnara assert(Name.getNameKind() == DeclarationName::CXXOperatorName); 4932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara LocInfo.CXXOperatorName.BeginOpNameLoc = R.getBegin().getRawEncoding(); 4942577743c5650c646fb705df01403707e94f2df04Abramo Bagnara LocInfo.CXXOperatorName.EndOpNameLoc = R.getEnd().getRawEncoding(); 4952577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 4962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 4972577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// getCXXLiteralOperatorNameLoc - Returns the location of the literal 4982577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// operator name (not the operator keyword). 4992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// Assumes it is a literal operator. 5002577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getCXXLiteralOperatorNameLoc() const { 5012577743c5650c646fb705df01403707e94f2df04Abramo Bagnara assert(Name.getNameKind() == DeclarationName::CXXLiteralOperatorName); 5022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return SourceLocation:: 5032577743c5650c646fb705df01403707e94f2df04Abramo Bagnara getFromRawEncoding(LocInfo.CXXLiteralOperatorName.OpNameLoc); 5042577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 5052577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// setCXXLiteralOperatorNameLoc - Sets the location of the literal 5062577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// operator name (not the operator keyword). 5072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// Assumes it is a literal operator. 5082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara void setCXXLiteralOperatorNameLoc(SourceLocation Loc) { 5092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara assert(Name.getNameKind() == DeclarationName::CXXLiteralOperatorName); 5102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara LocInfo.CXXLiteralOperatorName.OpNameLoc = Loc.getRawEncoding(); 5112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 5122577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 513561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Determine whether this name involves a template parameter. 514561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool isInstantiationDependent() const; 515561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 516bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /// \brief Determine whether this name contains an unexpanded 517bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor /// parameter pack. 518bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor bool containsUnexpandedParameterPack() const; 519bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor 5202577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// getAsString - Retrieve the human-readable string for this name. 5212577743c5650c646fb705df01403707e94f2df04Abramo Bagnara std::string getAsString() const; 5222577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 5232577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// printName - Print the human-readable name to a stream. 5248cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printName(raw_ostream &OS) const; 5252577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 5262577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// getBeginLoc - Retrieve the location of the first token. 5272577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getBeginLoc() const { return NameLoc; } 5282577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// getEndLoc - Retrieve the location of the last token. 5292577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation getEndLoc() const; 5302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara /// getSourceRange - The range of the declaration name. 531aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 5322464e96f0a73cd9757a6fdec4faf10d751d267faErik Verbruggen return SourceRange(getLocStart(), getLocEnd()); 5332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara } 534aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocStart() const LLVM_READONLY { 535406dac0027de79d809366bcb070dc69c560903c3Daniel Dunbar return getBeginLoc(); 536406dac0027de79d809366bcb070dc69c560903c3Daniel Dunbar } 537aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocEnd() const LLVM_READONLY { 538406dac0027de79d809366bcb070dc69c560903c3Daniel Dunbar SourceLocation EndLoc = getEndLoc(); 539406dac0027de79d809366bcb070dc69c560903c3Daniel Dunbar return EndLoc.isValid() ? EndLoc : getLocStart(); 540406dac0027de79d809366bcb070dc69c560903c3Daniel Dunbar } 5412577743c5650c646fb705df01403707e94f2df04Abramo Bagnara}; 5422577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 543011bb4edf731d529da1cbf71c7c2696aaf5a054fChris Lattner/// Insertion operator for diagnostics. This allows sending DeclarationName's 544011bb4edf731d529da1cbf71c7c2696aaf5a054fChris Lattner/// into a diagnostic with <<. 545d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 546d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DeclarationName N) { 547d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DB.AddTaggedVal(N.getAsOpaqueInteger(), 548d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DiagnosticsEngine::ak_declarationname); 549d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer return DB; 550d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer} 5511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 552d5a423b279e787e9fdd8309fe52cb515388c54eaDouglas Gregor/// Insertion operator for partial diagnostics. This allows binding 553d5a423b279e787e9fdd8309fe52cb515388c54eaDouglas Gregor/// DeclarationName's into a partial diagnostic with <<. 554d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramerinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 555d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DeclarationName N) { 556d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer PD.AddTaggedVal(N.getAsOpaqueInteger(), 557d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DiagnosticsEngine::ak_declarationname); 558d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer return PD; 559d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer} 56047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 5618cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattnerinline raw_ostream &operator<<(raw_ostream &OS, 562d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DeclarationNameInfo DNInfo) { 5632577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNInfo.printName(OS); 5642577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return OS; 5652577743c5650c646fb705df01403707e94f2df04Abramo Bagnara} 5662577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 5672e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor} // end namespace clang 5682e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 5692e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregornamespace llvm { 5702e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// Define DenseMapInfo so that DeclarationNames can be used as keys 5712e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor/// in DenseMap and DenseSets. 5722e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregortemplate<> 5732e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregorstruct DenseMapInfo<clang::DeclarationName> { 5742e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor static inline clang::DeclarationName getEmptyKey() { 5752e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return clang::DeclarationName::getEmptyMarker(); 5762e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 5772e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 5782e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor static inline clang::DeclarationName getTombstoneKey() { 5792e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return clang::DeclarationName::getTombstoneMarker(); 5802e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 5812e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 58282047c16486a28537746cfcc0d63745292b9fc54Douglas Gregor static unsigned getHashValue(clang::DeclarationName Name) { 58382047c16486a28537746cfcc0d63745292b9fc54Douglas Gregor return DenseMapInfo<void*>::getHashValue(Name.getAsOpaquePtr()); 58482047c16486a28537746cfcc0d63745292b9fc54Douglas Gregor } 5852e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 5861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static inline bool 5872e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor isEqual(clang::DeclarationName LHS, clang::DeclarationName RHS) { 5882e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS == RHS; 5892e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor } 5902e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor}; 5912e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 59206159e878569e5f39bf0e8f11b84ac3ad0970597Chris Lattnertemplate <> 59306159e878569e5f39bf0e8f11b84ac3ad0970597Chris Lattnerstruct isPodLike<clang::DeclarationName> { static const bool value = true; }; 59406159e878569e5f39bf0e8f11b84ac3ad0970597Chris Lattner 5952e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor} // end namespace llvm 5962e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor 5972e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor#endif 598