Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame^] | 1 | //===--- NSAPI.cpp - NSFoundation APIs ------------------------------------===// |
| 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 | #include "clang/AST/NSAPI.h" |
| 11 | #include "clang/AST/ASTContext.h" |
| 12 | #include "clang/AST/Expr.h" |
| 13 | |
| 14 | using namespace clang; |
| 15 | |
| 16 | NSAPI::NSAPI(ASTContext &ctx) |
| 17 | : Ctx(ctx), ClassIds(), BOOLId(0), NSIntegerId(0), NSUIntegerId(0), |
| 18 | NSASCIIStringEncodingId(0), NSUTF8StringEncodingId(0) { |
| 19 | } |
| 20 | |
| 21 | IdentifierInfo *NSAPI::getNSClassId(NSClassIdKindKind K) const { |
| 22 | static const char *ClassName[NumClassIds] = { |
| 23 | "NSObject", |
| 24 | "NSString", |
| 25 | "NSArray", |
| 26 | "NSMutableArray", |
| 27 | "NSDictionary", |
| 28 | "NSMutableDictionary", |
| 29 | "NSNumber" |
| 30 | }; |
| 31 | |
| 32 | if (!ClassIds[K]) |
| 33 | return (ClassIds[K] = &Ctx.Idents.get(ClassName[K])); |
| 34 | |
| 35 | return ClassIds[K]; |
| 36 | } |
| 37 | |
| 38 | Selector NSAPI::getNSStringSelector(NSStringMethodKind MK) const { |
| 39 | if (NSStringSelectors[MK].isNull()) { |
| 40 | Selector Sel; |
| 41 | switch (MK) { |
| 42 | case NSStr_stringWithString: |
| 43 | Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("stringWithString")); |
| 44 | break; |
| 45 | case NSStr_stringWithUTF8String: |
| 46 | Sel = Ctx.Selectors.getUnarySelector( |
| 47 | &Ctx.Idents.get("stringWithUTF8String")); |
| 48 | break; |
| 49 | case NSStr_stringWithCStringEncoding: { |
| 50 | IdentifierInfo *KeyIdents[] = { |
| 51 | &Ctx.Idents.get("stringWithCString"), |
| 52 | &Ctx.Idents.get("encoding") |
| 53 | }; |
| 54 | Sel = Ctx.Selectors.getSelector(2, KeyIdents); |
| 55 | break; |
| 56 | } |
| 57 | case NSStr_stringWithCString: |
| 58 | Sel= Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("stringWithCString")); |
| 59 | break; |
| 60 | case NSStr_initWithString: |
| 61 | Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("initWithString")); |
| 62 | break; |
| 63 | } |
| 64 | return (NSStringSelectors[MK] = Sel); |
| 65 | } |
| 66 | |
| 67 | return NSStringSelectors[MK]; |
| 68 | } |
| 69 | |
| 70 | llvm::Optional<NSAPI::NSStringMethodKind> |
| 71 | NSAPI::getNSStringMethodKind(Selector Sel) const { |
| 72 | for (unsigned i = 0; i != NumNSStringMethods; ++i) { |
| 73 | NSStringMethodKind MK = NSStringMethodKind(i); |
| 74 | if (Sel == getNSStringSelector(MK)) |
| 75 | return MK; |
| 76 | } |
| 77 | |
| 78 | return llvm::Optional<NSStringMethodKind>(); |
| 79 | } |
| 80 | |
| 81 | Selector NSAPI::getNSArraySelector(NSArrayMethodKind MK) const { |
| 82 | if (NSArraySelectors[MK].isNull()) { |
| 83 | Selector Sel; |
| 84 | switch (MK) { |
| 85 | case NSArr_array: |
| 86 | Sel = Ctx.Selectors.getNullarySelector(&Ctx.Idents.get("array")); |
| 87 | break; |
| 88 | case NSArr_arrayWithArray: |
| 89 | Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("arrayWithArray")); |
| 90 | break; |
| 91 | case NSArr_arrayWithObject: |
| 92 | Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("arrayWithObject")); |
| 93 | break; |
| 94 | case NSArr_arrayWithObjects: |
| 95 | Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("arrayWithObjects")); |
| 96 | break; |
| 97 | case NSArr_arrayWithObjectsCount: { |
| 98 | IdentifierInfo *KeyIdents[] = { |
| 99 | &Ctx.Idents.get("arrayWithObjects"), |
| 100 | &Ctx.Idents.get("count") |
| 101 | }; |
| 102 | Sel = Ctx.Selectors.getSelector(2, KeyIdents); |
| 103 | break; |
| 104 | } |
| 105 | case NSArr_initWithArray: |
| 106 | Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("initWithArray")); |
| 107 | break; |
| 108 | case NSArr_initWithObjects: |
| 109 | Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("initWithObjects")); |
| 110 | break; |
| 111 | case NSArr_objectAtIndex: |
| 112 | Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("objectAtIndex")); |
| 113 | break; |
| 114 | case NSMutableArr_replaceObjectAtIndex: { |
| 115 | IdentifierInfo *KeyIdents[] = { |
| 116 | &Ctx.Idents.get("replaceObjectAtIndex"), |
| 117 | &Ctx.Idents.get("withObject") |
| 118 | }; |
| 119 | Sel = Ctx.Selectors.getSelector(2, KeyIdents); |
| 120 | break; |
| 121 | } |
| 122 | } |
| 123 | return (NSArraySelectors[MK] = Sel); |
| 124 | } |
| 125 | |
| 126 | return NSArraySelectors[MK]; |
| 127 | } |
| 128 | |
| 129 | llvm::Optional<NSAPI::NSArrayMethodKind> |
| 130 | NSAPI::getNSArrayMethodKind(Selector Sel) { |
| 131 | for (unsigned i = 0; i != NumNSArrayMethods; ++i) { |
| 132 | NSArrayMethodKind MK = NSArrayMethodKind(i); |
| 133 | if (Sel == getNSArraySelector(MK)) |
| 134 | return MK; |
| 135 | } |
| 136 | |
| 137 | return llvm::Optional<NSArrayMethodKind>(); |
| 138 | } |
| 139 | |
| 140 | Selector NSAPI::getNSDictionarySelector( |
| 141 | NSDictionaryMethodKind MK) const { |
| 142 | if (NSDictionarySelectors[MK].isNull()) { |
| 143 | Selector Sel; |
| 144 | switch (MK) { |
| 145 | case NSDict_dictionary: |
| 146 | Sel = Ctx.Selectors.getNullarySelector(&Ctx.Idents.get("dictionary")); |
| 147 | break; |
| 148 | case NSDict_dictionaryWithDictionary: |
| 149 | Sel = Ctx.Selectors.getUnarySelector( |
| 150 | &Ctx.Idents.get("dictionaryWithDictionary")); |
| 151 | break; |
| 152 | case NSDict_dictionaryWithObjectForKey: { |
| 153 | IdentifierInfo *KeyIdents[] = { |
| 154 | &Ctx.Idents.get("dictionaryWithObject"), |
| 155 | &Ctx.Idents.get("forKey") |
| 156 | }; |
| 157 | Sel = Ctx.Selectors.getSelector(2, KeyIdents); |
| 158 | break; |
| 159 | } |
| 160 | case NSDict_dictionaryWithObjectsForKeys: { |
| 161 | IdentifierInfo *KeyIdents[] = { |
| 162 | &Ctx.Idents.get("dictionaryWithObjects"), |
| 163 | &Ctx.Idents.get("forKeys") |
| 164 | }; |
| 165 | Sel = Ctx.Selectors.getSelector(2, KeyIdents); |
| 166 | break; |
| 167 | } |
| 168 | case NSDict_dictionaryWithObjectsForKeysCount: { |
| 169 | IdentifierInfo *KeyIdents[] = { |
| 170 | &Ctx.Idents.get("dictionaryWithObjects"), |
| 171 | &Ctx.Idents.get("forKeys"), |
| 172 | &Ctx.Idents.get("count") |
| 173 | }; |
| 174 | Sel = Ctx.Selectors.getSelector(3, KeyIdents); |
| 175 | break; |
| 176 | } |
| 177 | case NSDict_dictionaryWithObjectsAndKeys: |
| 178 | Sel = Ctx.Selectors.getUnarySelector( |
| 179 | &Ctx.Idents.get("dictionaryWithObjectsAndKeys")); |
| 180 | break; |
| 181 | case NSDict_initWithDictionary: |
| 182 | Sel = Ctx.Selectors.getUnarySelector( |
| 183 | &Ctx.Idents.get("initWithDictionary")); |
| 184 | break; |
| 185 | case NSDict_initWithObjectsAndKeys: |
| 186 | Sel = Ctx.Selectors.getUnarySelector( |
| 187 | &Ctx.Idents.get("initWithObjectsAndKeys")); |
| 188 | break; |
| 189 | case NSDict_objectForKey: |
| 190 | Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("objectForKey")); |
| 191 | break; |
| 192 | case NSMutableDict_setObjectForKey: { |
| 193 | IdentifierInfo *KeyIdents[] = { |
| 194 | &Ctx.Idents.get("setObject"), |
| 195 | &Ctx.Idents.get("forKey") |
| 196 | }; |
| 197 | Sel = Ctx.Selectors.getSelector(2, KeyIdents); |
| 198 | break; |
| 199 | } |
| 200 | } |
| 201 | return (NSDictionarySelectors[MK] = Sel); |
| 202 | } |
| 203 | |
| 204 | return NSDictionarySelectors[MK]; |
| 205 | } |
| 206 | |
| 207 | llvm::Optional<NSAPI::NSDictionaryMethodKind> |
| 208 | NSAPI::getNSDictionaryMethodKind(Selector Sel) { |
| 209 | for (unsigned i = 0; i != NumNSDictionaryMethods; ++i) { |
| 210 | NSDictionaryMethodKind MK = NSDictionaryMethodKind(i); |
| 211 | if (Sel == getNSDictionarySelector(MK)) |
| 212 | return MK; |
| 213 | } |
| 214 | |
| 215 | return llvm::Optional<NSDictionaryMethodKind>(); |
| 216 | } |
| 217 | |
| 218 | Selector NSAPI::getNSNumberLiteralSelector(NSNumberLiteralMethodKind MK, |
| 219 | bool Instance) const { |
| 220 | static const char *ClassSelectorName[NumNSNumberLiteralMethods] = { |
| 221 | "numberWithChar", |
| 222 | "numberWithUnsignedChar", |
| 223 | "numberWithShort", |
| 224 | "numberWithUnsignedShort", |
| 225 | "numberWithInt", |
| 226 | "numberWithUnsignedInt", |
| 227 | "numberWithLong", |
| 228 | "numberWithUnsignedLong", |
| 229 | "numberWithLongLong", |
| 230 | "numberWithUnsignedLongLong", |
| 231 | "numberWithFloat", |
| 232 | "numberWithDouble", |
| 233 | "numberWithBool", |
| 234 | "numberWithInteger", |
| 235 | "numberWithUnsignedInteger" |
| 236 | }; |
| 237 | static const char *InstanceSelectorName[NumNSNumberLiteralMethods] = { |
| 238 | "initWithChar", |
| 239 | "initWithUnsignedChar", |
| 240 | "initWithShort", |
| 241 | "initWithUnsignedShort", |
| 242 | "initWithInt", |
| 243 | "initWithUnsignedInt", |
| 244 | "initWithLong", |
| 245 | "initWithUnsignedLong", |
| 246 | "initWithLongLong", |
| 247 | "initWithUnsignedLongLong", |
| 248 | "initWithFloat", |
| 249 | "initWithDouble", |
| 250 | "initWithBool", |
| 251 | "initWithInteger", |
| 252 | "initWithUnsignedInteger" |
| 253 | }; |
| 254 | |
| 255 | Selector *Sels; |
| 256 | const char **Names; |
| 257 | if (Instance) { |
| 258 | Sels = NSNumberInstanceSelectors; |
| 259 | Names = InstanceSelectorName; |
| 260 | } else { |
| 261 | Sels = NSNumberClassSelectors; |
| 262 | Names = ClassSelectorName; |
| 263 | } |
| 264 | |
| 265 | if (Sels[MK].isNull()) |
| 266 | Sels[MK] = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get(Names[MK])); |
| 267 | return Sels[MK]; |
| 268 | } |
| 269 | |
| 270 | llvm::Optional<NSAPI::NSNumberLiteralMethodKind> |
| 271 | NSAPI::getNSNumberLiteralMethodKind(Selector Sel) const { |
| 272 | for (unsigned i = 0; i != NumNSNumberLiteralMethods; ++i) { |
| 273 | NSNumberLiteralMethodKind MK = NSNumberLiteralMethodKind(i); |
| 274 | if (isNSNumberLiteralSelector(MK, Sel)) |
| 275 | return MK; |
| 276 | } |
| 277 | |
| 278 | return llvm::Optional<NSNumberLiteralMethodKind>(); |
| 279 | } |
| 280 | |
| 281 | llvm::Optional<NSAPI::NSNumberLiteralMethodKind> |
| 282 | NSAPI::getNSNumberFactoryMethodKind(QualType T) const { |
| 283 | const BuiltinType *BT = T->getAs<BuiltinType>(); |
| 284 | if (!BT) |
| 285 | return llvm::Optional<NSAPI::NSNumberLiteralMethodKind>(); |
| 286 | |
| 287 | const TypedefType *TDT = T->getAs<TypedefType>(); |
| 288 | if (TDT) { |
| 289 | QualType TDTTy = QualType(TDT, 0); |
| 290 | if (isObjCBOOLType(TDTTy)) |
| 291 | return NSAPI::NSNumberWithBool; |
| 292 | if (isObjCNSIntegerType(TDTTy)) |
| 293 | return NSAPI::NSNumberWithInteger; |
| 294 | if (isObjCNSUIntegerType(TDTTy)) |
| 295 | return NSAPI::NSNumberWithUnsignedInteger; |
| 296 | } |
| 297 | |
| 298 | switch (BT->getKind()) { |
| 299 | case BuiltinType::Char_S: |
| 300 | case BuiltinType::SChar: |
| 301 | return NSAPI::NSNumberWithChar; |
| 302 | case BuiltinType::Char_U: |
| 303 | case BuiltinType::UChar: |
| 304 | return NSAPI::NSNumberWithUnsignedChar; |
| 305 | case BuiltinType::Short: |
| 306 | return NSAPI::NSNumberWithShort; |
| 307 | case BuiltinType::UShort: |
| 308 | return NSAPI::NSNumberWithUnsignedShort; |
| 309 | case BuiltinType::Int: |
| 310 | return NSAPI::NSNumberWithInt; |
| 311 | case BuiltinType::UInt: |
| 312 | return NSAPI::NSNumberWithUnsignedInt; |
| 313 | case BuiltinType::Long: |
| 314 | return NSAPI::NSNumberWithLong; |
| 315 | case BuiltinType::ULong: |
| 316 | return NSAPI::NSNumberWithUnsignedLong; |
| 317 | case BuiltinType::LongLong: |
| 318 | return NSAPI::NSNumberWithLongLong; |
| 319 | case BuiltinType::ULongLong: |
| 320 | return NSAPI::NSNumberWithUnsignedLongLong; |
| 321 | case BuiltinType::Float: |
| 322 | return NSAPI::NSNumberWithFloat; |
| 323 | case BuiltinType::Double: |
| 324 | return NSAPI::NSNumberWithDouble; |
| 325 | case BuiltinType::Bool: |
| 326 | return NSAPI::NSNumberWithBool; |
| 327 | |
| 328 | case BuiltinType::Void: |
| 329 | case BuiltinType::WChar_U: |
| 330 | case BuiltinType::WChar_S: |
| 331 | case BuiltinType::Char16: |
| 332 | case BuiltinType::Char32: |
| 333 | case BuiltinType::Int128: |
| 334 | case BuiltinType::LongDouble: |
| 335 | case BuiltinType::UInt128: |
| 336 | case BuiltinType::NullPtr: |
| 337 | case BuiltinType::ObjCClass: |
| 338 | case BuiltinType::ObjCId: |
| 339 | case BuiltinType::ObjCSel: |
| 340 | case BuiltinType::BoundMember: |
| 341 | case BuiltinType::Dependent: |
| 342 | case BuiltinType::Overload: |
| 343 | case BuiltinType::UnknownAny: |
| 344 | case BuiltinType::ARCUnbridgedCast: |
| 345 | case BuiltinType::Half: |
| 346 | case BuiltinType::PseudoObject: |
| 347 | case BuiltinType::BuiltinFn: |
| 348 | break; |
| 349 | } |
| 350 | |
| 351 | return llvm::Optional<NSAPI::NSNumberLiteralMethodKind>(); |
| 352 | } |
| 353 | |
| 354 | /// \brief Returns true if \param T is a typedef of "BOOL" in objective-c. |
| 355 | bool NSAPI::isObjCBOOLType(QualType T) const { |
| 356 | return isObjCTypedef(T, "BOOL", BOOLId); |
| 357 | } |
| 358 | /// \brief Returns true if \param T is a typedef of "NSInteger" in objective-c. |
| 359 | bool NSAPI::isObjCNSIntegerType(QualType T) const { |
| 360 | return isObjCTypedef(T, "NSInteger", NSIntegerId); |
| 361 | } |
| 362 | /// \brief Returns true if \param T is a typedef of "NSUInteger" in objective-c. |
| 363 | bool NSAPI::isObjCNSUIntegerType(QualType T) const { |
| 364 | return isObjCTypedef(T, "NSUInteger", NSUIntegerId); |
| 365 | } |
| 366 | |
| 367 | bool NSAPI::isObjCTypedef(QualType T, |
| 368 | StringRef name, IdentifierInfo *&II) const { |
| 369 | if (!Ctx.getLangOpts().ObjC1) |
| 370 | return false; |
| 371 | if (T.isNull()) |
| 372 | return false; |
| 373 | |
| 374 | if (!II) |
| 375 | II = &Ctx.Idents.get(name); |
| 376 | |
| 377 | while (const TypedefType *TDT = T->getAs<TypedefType>()) { |
| 378 | if (TDT->getDecl()->getDeclName().getAsIdentifierInfo() == II) |
| 379 | return true; |
| 380 | T = TDT->desugar(); |
| 381 | } |
| 382 | |
| 383 | return false; |
| 384 | } |
| 385 | |
| 386 | bool NSAPI::isObjCEnumerator(const Expr *E, |
| 387 | StringRef name, IdentifierInfo *&II) const { |
| 388 | if (!Ctx.getLangOpts().ObjC1) |
| 389 | return false; |
| 390 | if (!E) |
| 391 | return false; |
| 392 | |
| 393 | if (!II) |
| 394 | II = &Ctx.Idents.get(name); |
| 395 | |
| 396 | if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E->IgnoreParenImpCasts())) |
| 397 | if (const EnumConstantDecl * |
| 398 | EnumD = dyn_cast_or_null<EnumConstantDecl>(DRE->getDecl())) |
| 399 | return EnumD->getIdentifier() == II; |
| 400 | |
| 401 | return false; |
| 402 | } |
| 403 | |
| 404 | Selector NSAPI::getOrInitSelector(ArrayRef<StringRef> Ids, |
| 405 | Selector &Sel) const { |
| 406 | if (Sel.isNull()) { |
| 407 | SmallVector<IdentifierInfo *, 4> Idents; |
| 408 | for (ArrayRef<StringRef>::const_iterator |
| 409 | I = Ids.begin(), E = Ids.end(); I != E; ++I) |
| 410 | Idents.push_back(&Ctx.Idents.get(*I)); |
| 411 | Sel = Ctx.Selectors.getSelector(Idents.size(), Idents.data()); |
| 412 | } |
| 413 | return Sel; |
| 414 | } |