Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 1 | //===-- DeclarationName.cpp - Declaration names implementation --*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file implements the DeclarationName and DeclarationNameTable |
| 11 | // classes. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
Ted Kremenek | ac9590e | 2010-05-10 20:40:08 +0000 | [diff] [blame] | 14 | #include "clang/AST/ASTContext.h" |
| 15 | #include "clang/AST/Decl.h" |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 16 | #include "clang/AST/DeclarationName.h" |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 17 | #include "clang/AST/Type.h" |
Douglas Gregor | d6b5f13 | 2009-11-04 22:24:30 +0000 | [diff] [blame] | 18 | #include "clang/AST/TypeOrdering.h" |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 19 | #include "clang/Basic/IdentifierTable.h" |
Douglas Gregor | 370187c | 2009-04-22 21:45:53 +0000 | [diff] [blame] | 20 | #include "llvm/ADT/DenseMap.h" |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 21 | #include "llvm/ADT/FoldingSet.h" |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 22 | #include "llvm/Support/raw_ostream.h" |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 23 | using namespace clang; |
| 24 | |
| 25 | namespace clang { |
| 26 | /// CXXSpecialName - Records the type associated with one of the |
| 27 | /// "special" kinds of declaration names in C++, e.g., constructors, |
| 28 | /// destructors, and conversion functions. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 29 | class CXXSpecialName |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 30 | : public DeclarationNameExtra, public llvm::FoldingSetNode { |
| 31 | public: |
Douglas Gregor | 2def483 | 2008-11-17 20:34:05 +0000 | [diff] [blame] | 32 | /// Type - The type associated with this declaration name. |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 33 | QualType Type; |
| 34 | |
Douglas Gregor | 2def483 | 2008-11-17 20:34:05 +0000 | [diff] [blame] | 35 | /// FETokenInfo - Extra information associated with this declaration |
| 36 | /// name that can be used by the front end. |
| 37 | void *FETokenInfo; |
| 38 | |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 39 | void Profile(llvm::FoldingSetNodeID &ID) { |
| 40 | ID.AddInteger(ExtraKindOrNumArgs); |
| 41 | ID.AddPointer(Type.getAsOpaquePtr()); |
| 42 | } |
| 43 | }; |
| 44 | |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 45 | /// CXXOperatorIdName - Contains extra information for the name of an |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 46 | /// overloaded operator in C++, such as "operator+. |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 47 | class CXXOperatorIdName : public DeclarationNameExtra { |
| 48 | public: |
| 49 | /// FETokenInfo - Extra information associated with this operator |
| 50 | /// name that can be used by the front end. |
| 51 | void *FETokenInfo; |
| 52 | }; |
| 53 | |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 54 | /// CXXLiberalOperatorName - Contains the actual identifier that makes up the |
| 55 | /// name. |
| 56 | /// |
| 57 | /// This identifier is stored here rather than directly in DeclarationName so as |
| 58 | /// to allow Objective-C selectors, which are about a million times more common, |
| 59 | /// to consume minimal memory. |
Sean Hunt | a6c058d | 2010-01-13 09:01:02 +0000 | [diff] [blame] | 60 | class CXXLiteralOperatorIdName |
| 61 | : public DeclarationNameExtra, public llvm::FoldingSetNode { |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 62 | public: |
| 63 | IdentifierInfo *ID; |
Sean Hunt | a6c058d | 2010-01-13 09:01:02 +0000 | [diff] [blame] | 64 | |
| 65 | void Profile(llvm::FoldingSetNodeID &FSID) { |
| 66 | FSID.AddPointer(ID); |
| 67 | } |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 68 | }; |
| 69 | |
John McCall | 7fe0b9e | 2010-02-13 01:04:05 +0000 | [diff] [blame] | 70 | static int compareInt(unsigned A, unsigned B) { |
| 71 | return (A < B ? -1 : (A > B ? 1 : 0)); |
| 72 | } |
| 73 | |
| 74 | int DeclarationName::compare(DeclarationName LHS, DeclarationName RHS) { |
Douglas Gregor | d6b5f13 | 2009-11-04 22:24:30 +0000 | [diff] [blame] | 75 | if (LHS.getNameKind() != RHS.getNameKind()) |
John McCall | 7fe0b9e | 2010-02-13 01:04:05 +0000 | [diff] [blame] | 76 | return (LHS.getNameKind() < RHS.getNameKind() ? -1 : 1); |
Douglas Gregor | d6b5f13 | 2009-11-04 22:24:30 +0000 | [diff] [blame] | 77 | |
| 78 | switch (LHS.getNameKind()) { |
John McCall | 7fe0b9e | 2010-02-13 01:04:05 +0000 | [diff] [blame] | 79 | case DeclarationName::Identifier: { |
| 80 | IdentifierInfo *LII = LHS.getAsIdentifierInfo(); |
| 81 | IdentifierInfo *RII = RHS.getAsIdentifierInfo(); |
| 82 | if (!LII) return RII ? -1 : 0; |
| 83 | if (!RII) return 1; |
| 84 | |
| 85 | return LII->getName().compare(RII->getName()); |
| 86 | } |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 87 | |
Douglas Gregor | d6b5f13 | 2009-11-04 22:24:30 +0000 | [diff] [blame] | 88 | case DeclarationName::ObjCZeroArgSelector: |
| 89 | case DeclarationName::ObjCOneArgSelector: |
| 90 | case DeclarationName::ObjCMultiArgSelector: { |
| 91 | Selector LHSSelector = LHS.getObjCSelector(); |
| 92 | Selector RHSSelector = RHS.getObjCSelector(); |
John McCall | 7fe0b9e | 2010-02-13 01:04:05 +0000 | [diff] [blame] | 93 | unsigned LN = LHSSelector.getNumArgs(), RN = RHSSelector.getNumArgs(); |
| 94 | for (unsigned I = 0, N = std::min(LN, RN); I != N; ++I) { |
Douglas Gregor | d6b5f13 | 2009-11-04 22:24:30 +0000 | [diff] [blame] | 95 | IdentifierInfo *LHSId = LHSSelector.getIdentifierInfoForSlot(I); |
| 96 | IdentifierInfo *RHSId = RHSSelector.getIdentifierInfoForSlot(I); |
Douglas Gregor | d6b5f13 | 2009-11-04 22:24:30 +0000 | [diff] [blame] | 97 | |
| 98 | switch (LHSId->getName().compare(RHSId->getName())) { |
| 99 | case -1: return true; |
| 100 | case 1: return false; |
| 101 | default: break; |
| 102 | } |
| 103 | } |
John McCall | 7fe0b9e | 2010-02-13 01:04:05 +0000 | [diff] [blame] | 104 | |
| 105 | return compareInt(LN, RN); |
Douglas Gregor | d6b5f13 | 2009-11-04 22:24:30 +0000 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | case DeclarationName::CXXConstructorName: |
| 109 | case DeclarationName::CXXDestructorName: |
| 110 | case DeclarationName::CXXConversionFunctionName: |
John McCall | 7fe0b9e | 2010-02-13 01:04:05 +0000 | [diff] [blame] | 111 | if (QualTypeOrdering()(LHS.getCXXNameType(), RHS.getCXXNameType())) |
| 112 | return -1; |
| 113 | if (QualTypeOrdering()(RHS.getCXXNameType(), LHS.getCXXNameType())) |
| 114 | return 1; |
| 115 | return 0; |
Douglas Gregor | d6b5f13 | 2009-11-04 22:24:30 +0000 | [diff] [blame] | 116 | |
| 117 | case DeclarationName::CXXOperatorName: |
John McCall | 7fe0b9e | 2010-02-13 01:04:05 +0000 | [diff] [blame] | 118 | return compareInt(LHS.getCXXOverloadedOperator(), |
| 119 | RHS.getCXXOverloadedOperator()); |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 120 | |
| 121 | case DeclarationName::CXXLiteralOperatorName: |
John McCall | 7fe0b9e | 2010-02-13 01:04:05 +0000 | [diff] [blame] | 122 | return LHS.getCXXLiteralIdentifier()->getName().compare( |
| 123 | RHS.getCXXLiteralIdentifier()->getName()); |
Douglas Gregor | d6b5f13 | 2009-11-04 22:24:30 +0000 | [diff] [blame] | 124 | |
| 125 | case DeclarationName::CXXUsingDirective: |
John McCall | 7fe0b9e | 2010-02-13 01:04:05 +0000 | [diff] [blame] | 126 | return 0; |
Douglas Gregor | d6b5f13 | 2009-11-04 22:24:30 +0000 | [diff] [blame] | 127 | } |
| 128 | |
John McCall | 7fe0b9e | 2010-02-13 01:04:05 +0000 | [diff] [blame] | 129 | return 0; |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | } // end namespace clang |
| 133 | |
| 134 | DeclarationName::DeclarationName(Selector Sel) { |
Douglas Gregor | 319ac89 | 2009-04-23 22:29:11 +0000 | [diff] [blame] | 135 | if (!Sel.getAsOpaquePtr()) { |
Douglas Gregor | 813a97b | 2009-10-17 17:25:45 +0000 | [diff] [blame] | 136 | Ptr = 0; |
Douglas Gregor | 319ac89 | 2009-04-23 22:29:11 +0000 | [diff] [blame] | 137 | return; |
| 138 | } |
| 139 | |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 140 | switch (Sel.getNumArgs()) { |
| 141 | case 0: |
| 142 | Ptr = reinterpret_cast<uintptr_t>(Sel.getAsIdentifierInfo()); |
Ted Kremenek | 3eb8dd7 | 2009-03-14 00:27:40 +0000 | [diff] [blame] | 143 | assert((Ptr & PtrMask) == 0 && "Improperly aligned IdentifierInfo"); |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 144 | Ptr |= StoredObjCZeroArgSelector; |
| 145 | break; |
| 146 | |
| 147 | case 1: |
| 148 | Ptr = reinterpret_cast<uintptr_t>(Sel.getAsIdentifierInfo()); |
Ted Kremenek | 3eb8dd7 | 2009-03-14 00:27:40 +0000 | [diff] [blame] | 149 | assert((Ptr & PtrMask) == 0 && "Improperly aligned IdentifierInfo"); |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 150 | Ptr |= StoredObjCOneArgSelector; |
| 151 | break; |
| 152 | |
| 153 | default: |
| 154 | Ptr = Sel.InfoPtr & ~Selector::ArgFlags; |
Ted Kremenek | 3eb8dd7 | 2009-03-14 00:27:40 +0000 | [diff] [blame] | 155 | assert((Ptr & PtrMask) == 0 && "Improperly aligned MultiKeywordSelector"); |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 156 | Ptr |= StoredDeclarationNameExtra; |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 157 | break; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | DeclarationName::NameKind DeclarationName::getNameKind() const { |
| 162 | switch (getStoredNameKind()) { |
| 163 | case StoredIdentifier: return Identifier; |
| 164 | case StoredObjCZeroArgSelector: return ObjCZeroArgSelector; |
| 165 | case StoredObjCOneArgSelector: return ObjCOneArgSelector; |
| 166 | |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 167 | case StoredDeclarationNameExtra: |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 168 | switch (getExtra()->ExtraKindOrNumArgs) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 169 | case DeclarationNameExtra::CXXConstructor: |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 170 | return CXXConstructorName; |
| 171 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 172 | case DeclarationNameExtra::CXXDestructor: |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 173 | return CXXDestructorName; |
| 174 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 175 | case DeclarationNameExtra::CXXConversionFunction: |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 176 | return CXXConversionFunctionName; |
| 177 | |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 178 | case DeclarationNameExtra::CXXLiteralOperator: |
| 179 | return CXXLiteralOperatorName; |
| 180 | |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 181 | case DeclarationNameExtra::CXXUsingDirective: |
| 182 | return CXXUsingDirective; |
| 183 | |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 184 | default: |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 185 | // Check if we have one of the CXXOperator* enumeration values. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 186 | if (getExtra()->ExtraKindOrNumArgs < |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 187 | DeclarationNameExtra::CXXUsingDirective) |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 188 | return CXXOperatorName; |
| 189 | |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 190 | return ObjCMultiArgSelector; |
| 191 | } |
| 192 | break; |
| 193 | } |
| 194 | |
| 195 | // Can't actually get here. |
Chris Lattner | ac8d75f | 2009-03-21 06:40:50 +0000 | [diff] [blame] | 196 | assert(0 && "This should be unreachable!"); |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 197 | return Identifier; |
| 198 | } |
| 199 | |
Douglas Gregor | 48026d2 | 2010-01-11 18:40:55 +0000 | [diff] [blame] | 200 | bool DeclarationName::isDependentName() const { |
| 201 | QualType T = getCXXNameType(); |
| 202 | return !T.isNull() && T->isDependentType(); |
| 203 | } |
| 204 | |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 205 | std::string DeclarationName::getAsString() const { |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 206 | std::string Result; |
| 207 | llvm::raw_string_ostream OS(Result); |
| 208 | printName(OS); |
| 209 | return OS.str(); |
| 210 | } |
| 211 | |
| 212 | void DeclarationName::printName(llvm::raw_ostream &OS) const { |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 213 | switch (getNameKind()) { |
| 214 | case Identifier: |
| 215 | if (const IdentifierInfo *II = getAsIdentifierInfo()) |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 216 | OS << II->getName(); |
| 217 | return; |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 218 | |
| 219 | case ObjCZeroArgSelector: |
| 220 | case ObjCOneArgSelector: |
| 221 | case ObjCMultiArgSelector: |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 222 | OS << getObjCSelector().getAsString(); |
| 223 | return; |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 224 | |
| 225 | case CXXConstructorName: { |
| 226 | QualType ClassType = getCXXNameType(); |
Ted Kremenek | 6217b80 | 2009-07-29 21:53:49 +0000 | [diff] [blame] | 227 | if (const RecordType *ClassRec = ClassType->getAs<RecordType>()) |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 228 | OS << ClassRec->getDecl(); |
| 229 | else |
| 230 | OS << ClassType.getAsString(); |
| 231 | return; |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | case CXXDestructorName: { |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 235 | OS << '~'; |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 236 | QualType Type = getCXXNameType(); |
Ted Kremenek | 6217b80 | 2009-07-29 21:53:49 +0000 | [diff] [blame] | 237 | if (const RecordType *Rec = Type->getAs<RecordType>()) |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 238 | OS << Rec->getDecl(); |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 239 | else |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 240 | OS << Type.getAsString(); |
| 241 | return; |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 242 | } |
| 243 | |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 244 | case CXXOperatorName: { |
Nuno Lopes | 2550d70 | 2009-12-23 17:49:57 +0000 | [diff] [blame] | 245 | static const char* const OperatorNames[NUM_OVERLOADED_OPERATORS] = { |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 246 | 0, |
| 247 | #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ |
| 248 | Spelling, |
| 249 | #include "clang/Basic/OperatorKinds.def" |
| 250 | }; |
| 251 | const char *OpName = OperatorNames[getCXXOverloadedOperator()]; |
| 252 | assert(OpName && "not an overloaded operator"); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 253 | |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 254 | OS << "operator"; |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 255 | if (OpName[0] >= 'a' && OpName[0] <= 'z') |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 256 | OS << ' '; |
| 257 | OS << OpName; |
| 258 | return; |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 259 | } |
| 260 | |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 261 | case CXXLiteralOperatorName: |
| 262 | OS << "operator \"\" " << getCXXLiteralIdentifier()->getName(); |
| 263 | return; |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 264 | |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 265 | case CXXConversionFunctionName: { |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 266 | OS << "operator "; |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 267 | QualType Type = getCXXNameType(); |
Ted Kremenek | 6217b80 | 2009-07-29 21:53:49 +0000 | [diff] [blame] | 268 | if (const RecordType *Rec = Type->getAs<RecordType>()) |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 269 | OS << Rec->getDecl(); |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 270 | else |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 271 | OS << Type.getAsString(); |
| 272 | return; |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 273 | } |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 274 | case CXXUsingDirective: |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 275 | OS << "<using-directive>"; |
| 276 | return; |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | assert(false && "Unexpected declaration name kind"); |
Douglas Gregor | 10bd368 | 2008-11-17 22:58:34 +0000 | [diff] [blame] | 280 | } |
| 281 | |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 282 | QualType DeclarationName::getCXXNameType() const { |
| 283 | if (CXXSpecialName *CXXName = getAsCXXSpecialName()) |
| 284 | return CXXName->Type; |
| 285 | else |
| 286 | return QualType(); |
| 287 | } |
| 288 | |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 289 | OverloadedOperatorKind DeclarationName::getCXXOverloadedOperator() const { |
| 290 | if (CXXOperatorIdName *CXXOp = getAsCXXOperatorIdName()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 291 | unsigned value |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 292 | = CXXOp->ExtraKindOrNumArgs - DeclarationNameExtra::CXXConversionFunction; |
| 293 | return static_cast<OverloadedOperatorKind>(value); |
| 294 | } else { |
| 295 | return OO_None; |
| 296 | } |
| 297 | } |
| 298 | |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 299 | IdentifierInfo *DeclarationName::getCXXLiteralIdentifier() const { |
| 300 | if (CXXLiteralOperatorIdName *CXXLit = getAsCXXLiteralOperatorIdName()) |
| 301 | return CXXLit->ID; |
| 302 | else |
| 303 | return 0; |
| 304 | } |
| 305 | |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 306 | Selector DeclarationName::getObjCSelector() const { |
| 307 | switch (getNameKind()) { |
| 308 | case ObjCZeroArgSelector: |
| 309 | return Selector(reinterpret_cast<IdentifierInfo *>(Ptr & ~PtrMask), 0); |
| 310 | |
| 311 | case ObjCOneArgSelector: |
| 312 | return Selector(reinterpret_cast<IdentifierInfo *>(Ptr & ~PtrMask), 1); |
| 313 | |
| 314 | case ObjCMultiArgSelector: |
| 315 | return Selector(reinterpret_cast<MultiKeywordSelector *>(Ptr & ~PtrMask)); |
| 316 | |
| 317 | default: |
| 318 | break; |
| 319 | } |
| 320 | |
| 321 | return Selector(); |
| 322 | } |
| 323 | |
Douglas Gregor | 2def483 | 2008-11-17 20:34:05 +0000 | [diff] [blame] | 324 | void *DeclarationName::getFETokenInfoAsVoid() const { |
| 325 | switch (getNameKind()) { |
| 326 | case Identifier: |
| 327 | return getAsIdentifierInfo()->getFETokenInfo<void>(); |
| 328 | |
| 329 | case CXXConstructorName: |
| 330 | case CXXDestructorName: |
| 331 | case CXXConversionFunctionName: |
| 332 | return getAsCXXSpecialName()->FETokenInfo; |
| 333 | |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 334 | case CXXOperatorName: |
| 335 | return getAsCXXOperatorIdName()->FETokenInfo; |
| 336 | |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 337 | case CXXLiteralOperatorName: |
| 338 | return getCXXLiteralIdentifier()->getFETokenInfo<void>(); |
| 339 | |
Douglas Gregor | 2def483 | 2008-11-17 20:34:05 +0000 | [diff] [blame] | 340 | default: |
| 341 | assert(false && "Declaration name has no FETokenInfo"); |
| 342 | } |
| 343 | return 0; |
| 344 | } |
| 345 | |
| 346 | void DeclarationName::setFETokenInfo(void *T) { |
| 347 | switch (getNameKind()) { |
| 348 | case Identifier: |
| 349 | getAsIdentifierInfo()->setFETokenInfo(T); |
| 350 | break; |
| 351 | |
| 352 | case CXXConstructorName: |
| 353 | case CXXDestructorName: |
| 354 | case CXXConversionFunctionName: |
| 355 | getAsCXXSpecialName()->FETokenInfo = T; |
| 356 | break; |
| 357 | |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 358 | case CXXOperatorName: |
| 359 | getAsCXXOperatorIdName()->FETokenInfo = T; |
| 360 | break; |
| 361 | |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 362 | case CXXLiteralOperatorName: |
| 363 | getCXXLiteralIdentifier()->setFETokenInfo(T); |
| 364 | break; |
| 365 | |
Douglas Gregor | 2def483 | 2008-11-17 20:34:05 +0000 | [diff] [blame] | 366 | default: |
| 367 | assert(false && "Declaration name has no FETokenInfo"); |
| 368 | } |
| 369 | } |
| 370 | |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 371 | DeclarationName DeclarationName::getUsingDirectiveName() { |
| 372 | // Single instance of DeclarationNameExtra for using-directive |
Nuno Lopes | 68f7a24 | 2009-12-10 00:07:02 +0000 | [diff] [blame] | 373 | static const DeclarationNameExtra UDirExtra = |
Douglas Gregor | 2a3009a | 2009-02-03 19:21:40 +0000 | [diff] [blame] | 374 | { DeclarationNameExtra::CXXUsingDirective }; |
| 375 | |
| 376 | uintptr_t Ptr = reinterpret_cast<uintptr_t>(&UDirExtra); |
| 377 | Ptr |= StoredDeclarationNameExtra; |
| 378 | |
| 379 | return DeclarationName(Ptr); |
| 380 | } |
| 381 | |
Anders Carlsson | 70f5bc7 | 2009-11-15 22:30:43 +0000 | [diff] [blame] | 382 | void DeclarationName::dump() const { |
Benjamin Kramer | f6cde77 | 2010-04-17 09:56:45 +0000 | [diff] [blame] | 383 | printName(llvm::errs()); |
| 384 | llvm::errs() << '\n'; |
Anders Carlsson | 70f5bc7 | 2009-11-15 22:30:43 +0000 | [diff] [blame] | 385 | } |
| 386 | |
Ted Kremenek | 45d9c2d | 2010-05-10 20:56:10 +0000 | [diff] [blame] | 387 | DeclarationNameTable::DeclarationNameTable(ASTContext &C) : Ctx(C) { |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 388 | CXXSpecialNamesImpl = new llvm::FoldingSet<CXXSpecialName>; |
Sean Hunt | a6c058d | 2010-01-13 09:01:02 +0000 | [diff] [blame] | 389 | CXXLiteralOperatorNames = new llvm::FoldingSet<CXXLiteralOperatorIdName>; |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 390 | |
| 391 | // Initialize the overloaded operator names. |
Ted Kremenek | 45d9c2d | 2010-05-10 20:56:10 +0000 | [diff] [blame] | 392 | CXXOperatorNames = new (Ctx) CXXOperatorIdName[NUM_OVERLOADED_OPERATORS]; |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 393 | for (unsigned Op = 0; Op < NUM_OVERLOADED_OPERATORS; ++Op) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 394 | CXXOperatorNames[Op].ExtraKindOrNumArgs |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 395 | = Op + DeclarationNameExtra::CXXConversionFunction; |
| 396 | CXXOperatorNames[Op].FETokenInfo = 0; |
| 397 | } |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | DeclarationNameTable::~DeclarationNameTable() { |
Sean Hunt | a6c058d | 2010-01-13 09:01:02 +0000 | [diff] [blame] | 401 | llvm::FoldingSet<CXXSpecialName> *SpecialNames = |
Nuno Lopes | 6d34ae5 | 2008-12-14 17:27:25 +0000 | [diff] [blame] | 402 | static_cast<llvm::FoldingSet<CXXSpecialName>*>(CXXSpecialNamesImpl); |
Sean Hunt | a6c058d | 2010-01-13 09:01:02 +0000 | [diff] [blame] | 403 | llvm::FoldingSet<CXXLiteralOperatorIdName> *LiteralNames |
| 404 | = static_cast<llvm::FoldingSet<CXXLiteralOperatorIdName>*> |
Ted Kremenek | 45d9c2d | 2010-05-10 20:56:10 +0000 | [diff] [blame] | 405 | (CXXLiteralOperatorNames); |
Sean Hunt | a6c058d | 2010-01-13 09:01:02 +0000 | [diff] [blame] | 406 | |
Ted Kremenek | 45d9c2d | 2010-05-10 20:56:10 +0000 | [diff] [blame] | 407 | if (Ctx.FreeMemory) { |
| 408 | llvm::FoldingSetIterator<CXXSpecialName> |
| 409 | SI = SpecialNames->begin(), SE = SpecialNames->end(); |
| 410 | |
| 411 | while (SI != SE) { |
| 412 | CXXSpecialName *n = &*SI++; |
| 413 | Ctx.Deallocate(n); |
| 414 | } |
| 415 | |
| 416 | llvm::FoldingSetIterator<CXXLiteralOperatorIdName> |
| 417 | LI = LiteralNames->begin(), LE = LiteralNames->end(); |
| 418 | |
| 419 | while (LI != LE) { |
| 420 | CXXLiteralOperatorIdName *n = &*LI++; |
| 421 | Ctx.Deallocate(n); |
| 422 | } |
| 423 | |
| 424 | Ctx.Deallocate(CXXOperatorNames); |
Sean Hunt | a6c058d | 2010-01-13 09:01:02 +0000 | [diff] [blame] | 425 | } |
| 426 | |
| 427 | delete SpecialNames; |
| 428 | delete LiteralNames; |
Ted Kremenek | ac9590e | 2010-05-10 20:40:08 +0000 | [diff] [blame] | 429 | } |
| 430 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 431 | DeclarationName |
| 432 | DeclarationNameTable::getCXXSpecialName(DeclarationName::NameKind Kind, |
Douglas Gregor | 50d62d1 | 2009-08-05 05:36:45 +0000 | [diff] [blame] | 433 | CanQualType Ty) { |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 434 | assert(Kind >= DeclarationName::CXXConstructorName && |
| 435 | Kind <= DeclarationName::CXXConversionFunctionName && |
| 436 | "Kind must be a C++ special name kind"); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 437 | llvm::FoldingSet<CXXSpecialName> *SpecialNames |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 438 | = static_cast<llvm::FoldingSet<CXXSpecialName>*>(CXXSpecialNamesImpl); |
| 439 | |
| 440 | DeclarationNameExtra::ExtraKind EKind; |
| 441 | switch (Kind) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 442 | case DeclarationName::CXXConstructorName: |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 443 | EKind = DeclarationNameExtra::CXXConstructor; |
John McCall | 0953e76 | 2009-09-24 19:53:00 +0000 | [diff] [blame] | 444 | assert(!Ty.hasQualifiers() &&"Constructor type must be unqualified"); |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 445 | break; |
| 446 | case DeclarationName::CXXDestructorName: |
| 447 | EKind = DeclarationNameExtra::CXXDestructor; |
John McCall | 0953e76 | 2009-09-24 19:53:00 +0000 | [diff] [blame] | 448 | assert(!Ty.hasQualifiers() && "Destructor type must be unqualified"); |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 449 | break; |
| 450 | case DeclarationName::CXXConversionFunctionName: |
| 451 | EKind = DeclarationNameExtra::CXXConversionFunction; |
| 452 | break; |
| 453 | default: |
| 454 | return DeclarationName(); |
| 455 | } |
| 456 | |
| 457 | // Unique selector, to guarantee there is one per name. |
| 458 | llvm::FoldingSetNodeID ID; |
| 459 | ID.AddInteger(EKind); |
| 460 | ID.AddPointer(Ty.getAsOpaquePtr()); |
| 461 | |
| 462 | void *InsertPos = 0; |
| 463 | if (CXXSpecialName *Name = SpecialNames->FindNodeOrInsertPos(ID, InsertPos)) |
| 464 | return DeclarationName(Name); |
| 465 | |
Ted Kremenek | 45d9c2d | 2010-05-10 20:56:10 +0000 | [diff] [blame] | 466 | CXXSpecialName *SpecialName = new (Ctx) CXXSpecialName; |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 467 | SpecialName->ExtraKindOrNumArgs = EKind; |
| 468 | SpecialName->Type = Ty; |
Douglas Gregor | 2def483 | 2008-11-17 20:34:05 +0000 | [diff] [blame] | 469 | SpecialName->FETokenInfo = 0; |
Douglas Gregor | 2e1cd42 | 2008-11-17 14:58:09 +0000 | [diff] [blame] | 470 | |
| 471 | SpecialNames->InsertNode(SpecialName, InsertPos); |
| 472 | return DeclarationName(SpecialName); |
| 473 | } |
| 474 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 475 | DeclarationName |
Douglas Gregor | e94ca9e4 | 2008-11-18 14:39:36 +0000 | [diff] [blame] | 476 | DeclarationNameTable::getCXXOperatorName(OverloadedOperatorKind Op) { |
| 477 | return DeclarationName(&CXXOperatorNames[(unsigned)Op]); |
| 478 | } |
| 479 | |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 480 | DeclarationName |
| 481 | DeclarationNameTable::getCXXLiteralOperatorName(IdentifierInfo *II) { |
Sean Hunt | a6c058d | 2010-01-13 09:01:02 +0000 | [diff] [blame] | 482 | llvm::FoldingSet<CXXLiteralOperatorIdName> *LiteralNames |
| 483 | = static_cast<llvm::FoldingSet<CXXLiteralOperatorIdName>*> |
| 484 | (CXXLiteralOperatorNames); |
| 485 | |
| 486 | llvm::FoldingSetNodeID ID; |
| 487 | ID.AddPointer(II); |
| 488 | |
| 489 | void *InsertPos = 0; |
| 490 | if (CXXLiteralOperatorIdName *Name = |
| 491 | LiteralNames->FindNodeOrInsertPos(ID, InsertPos)) |
| 492 | return DeclarationName (Name); |
| 493 | |
Ted Kremenek | 45d9c2d | 2010-05-10 20:56:10 +0000 | [diff] [blame] | 494 | CXXLiteralOperatorIdName *LiteralName = new (Ctx) CXXLiteralOperatorIdName; |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 495 | LiteralName->ExtraKindOrNumArgs = DeclarationNameExtra::CXXLiteralOperator; |
| 496 | LiteralName->ID = II; |
Sean Hunt | a6c058d | 2010-01-13 09:01:02 +0000 | [diff] [blame] | 497 | |
| 498 | LiteralNames->InsertNode(LiteralName, InsertPos); |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 499 | return DeclarationName(LiteralName); |
| 500 | } |
| 501 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 502 | unsigned |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 503 | llvm::DenseMapInfo<clang::DeclarationName>:: |
| 504 | getHashValue(clang::DeclarationName N) { |
| 505 | return DenseMapInfo<void*>::getHashValue(N.getAsOpaquePtr()); |
| 506 | } |
| 507 | |