CXCursor.cpp revision b0d6eaa6b646c18c49923aefc76973801f561701
1//===- CXCursor.cpp - Routines for manipulating CXCursors -----------------===// 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 defines routines for manipulating CXCursors. It should be the 11// only file that has internal knowledge of the encoding of the data in 12// CXCursor. 13// 14//===----------------------------------------------------------------------===// 15 16#include "CXTranslationUnit.h" 17#include "CXCursor.h" 18#include "CXString.h" 19#include "clang/Frontend/ASTUnit.h" 20#include "clang/AST/Decl.h" 21#include "clang/AST/DeclCXX.h" 22#include "clang/AST/DeclObjC.h" 23#include "clang/AST/Expr.h" 24#include "clang/AST/ExprCXX.h" 25#include "clang-c/Index.h" 26#include "llvm/Support/ErrorHandling.h" 27 28using namespace clang; 29using namespace cxcursor; 30 31CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K) { 32 assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid); 33 CXCursor C = { K, { 0, 0, 0 } }; 34 return C; 35} 36 37static CXCursorKind GetCursorKind(const Attr *A) { 38 assert(A && "Invalid arguments!"); 39 switch (A->getKind()) { 40 default: break; 41 case attr::IBAction: return CXCursor_IBActionAttr; 42 case attr::IBOutlet: return CXCursor_IBOutletAttr; 43 case attr::IBOutletCollection: return CXCursor_IBOutletCollectionAttr; 44 case attr::Final: return CXCursor_CXXFinalAttr; 45 case attr::Override: return CXCursor_CXXOverrideAttr; 46 } 47 48 return CXCursor_UnexposedAttr; 49} 50 51CXCursor cxcursor::MakeCXCursor(const Attr *A, Decl *Parent, 52 CXTranslationUnit TU) { 53 assert(A && Parent && TU && "Invalid arguments!"); 54 CXCursor C = { GetCursorKind(A), { Parent, (void*)A, TU } }; 55 return C; 56} 57 58CXCursor cxcursor::MakeCXCursor(Decl *D, CXTranslationUnit TU, 59 bool FirstInDeclGroup) { 60 assert(D && TU && "Invalid arguments!"); 61 CXCursor C = { getCursorKindForDecl(D), 62 { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU } 63 }; 64 return C; 65} 66 67CXCursor cxcursor::MakeCXCursor(Stmt *S, Decl *Parent, 68 CXTranslationUnit TU) { 69 assert(S && TU && "Invalid arguments!"); 70 CXCursorKind K = CXCursor_NotImplemented; 71 72 switch (S->getStmtClass()) { 73 case Stmt::NoStmtClass: 74 break; 75 76 case Stmt::NullStmtClass: 77 case Stmt::CompoundStmtClass: 78 case Stmt::CaseStmtClass: 79 case Stmt::DefaultStmtClass: 80 case Stmt::IfStmtClass: 81 case Stmt::SwitchStmtClass: 82 case Stmt::WhileStmtClass: 83 case Stmt::DoStmtClass: 84 case Stmt::ForStmtClass: 85 case Stmt::GotoStmtClass: 86 case Stmt::IndirectGotoStmtClass: 87 case Stmt::ContinueStmtClass: 88 case Stmt::BreakStmtClass: 89 case Stmt::ReturnStmtClass: 90 case Stmt::DeclStmtClass: 91 case Stmt::AsmStmtClass: 92 case Stmt::ObjCAtTryStmtClass: 93 case Stmt::ObjCAtCatchStmtClass: 94 case Stmt::ObjCAtFinallyStmtClass: 95 case Stmt::ObjCAtThrowStmtClass: 96 case Stmt::ObjCAtSynchronizedStmtClass: 97 case Stmt::ObjCAutoreleasePoolStmtClass: 98 case Stmt::ObjCForCollectionStmtClass: 99 case Stmt::CXXCatchStmtClass: 100 case Stmt::CXXTryStmtClass: 101 case Stmt::CXXForRangeStmtClass: 102 case Stmt::SEHTryStmtClass: 103 case Stmt::SEHExceptStmtClass: 104 case Stmt::SEHFinallyStmtClass: 105 case Stmt::MaterializeTemporaryExprClass: 106 K = CXCursor_UnexposedStmt; 107 break; 108 109 case Stmt::LabelStmtClass: 110 K = CXCursor_LabelStmt; 111 break; 112 113 case Stmt::PredefinedExprClass: 114 case Stmt::IntegerLiteralClass: 115 case Stmt::FloatingLiteralClass: 116 case Stmt::ImaginaryLiteralClass: 117 case Stmt::StringLiteralClass: 118 case Stmt::CharacterLiteralClass: 119 case Stmt::ParenExprClass: 120 case Stmt::UnaryOperatorClass: 121 case Stmt::OffsetOfExprClass: 122 case Stmt::UnaryExprOrTypeTraitExprClass: 123 case Stmt::ArraySubscriptExprClass: 124 case Stmt::BinaryOperatorClass: 125 case Stmt::CompoundAssignOperatorClass: 126 case Stmt::ConditionalOperatorClass: 127 case Stmt::BinaryConditionalOperatorClass: 128 case Stmt::ImplicitCastExprClass: 129 case Stmt::CStyleCastExprClass: 130 case Stmt::CompoundLiteralExprClass: 131 case Stmt::ExtVectorElementExprClass: 132 case Stmt::InitListExprClass: 133 case Stmt::DesignatedInitExprClass: 134 case Stmt::ImplicitValueInitExprClass: 135 case Stmt::ParenListExprClass: 136 case Stmt::VAArgExprClass: 137 case Stmt::AddrLabelExprClass: 138 case Stmt::StmtExprClass: 139 case Stmt::ChooseExprClass: 140 case Stmt::GenericSelectionExprClass: 141 case Stmt::GNUNullExprClass: 142 case Stmt::CXXStaticCastExprClass: 143 case Stmt::CXXDynamicCastExprClass: 144 case Stmt::CXXReinterpretCastExprClass: 145 case Stmt::CXXConstCastExprClass: 146 case Stmt::CXXFunctionalCastExprClass: 147 case Stmt::CXXTypeidExprClass: 148 case Stmt::CXXUuidofExprClass: 149 case Stmt::CXXBoolLiteralExprClass: 150 case Stmt::CXXNullPtrLiteralExprClass: 151 case Stmt::CXXThisExprClass: 152 case Stmt::CXXThrowExprClass: 153 case Stmt::CXXDefaultArgExprClass: 154 case Stmt::CXXScalarValueInitExprClass: 155 case Stmt::CXXNewExprClass: 156 case Stmt::CXXDeleteExprClass: 157 case Stmt::CXXPseudoDestructorExprClass: 158 case Stmt::UnresolvedLookupExprClass: 159 case Stmt::UnaryTypeTraitExprClass: 160 case Stmt::BinaryTypeTraitExprClass: 161 case Stmt::ArrayTypeTraitExprClass: 162 case Stmt::ExpressionTraitExprClass: 163 case Stmt::DependentScopeDeclRefExprClass: 164 case Stmt::CXXBindTemporaryExprClass: 165 case Stmt::ExprWithCleanupsClass: 166 case Stmt::CXXUnresolvedConstructExprClass: 167 case Stmt::CXXDependentScopeMemberExprClass: 168 case Stmt::UnresolvedMemberExprClass: 169 case Stmt::CXXNoexceptExprClass: 170 case Stmt::ObjCStringLiteralClass: 171 case Stmt::ObjCEncodeExprClass: 172 case Stmt::ObjCSelectorExprClass: 173 case Stmt::ObjCProtocolExprClass: 174 case Stmt::ObjCIsaExprClass: 175 case Stmt::ObjCIndirectCopyRestoreExprClass: 176 case Stmt::ObjCBridgedCastExprClass: 177 case Stmt::ShuffleVectorExprClass: 178 case Stmt::BlockExprClass: 179 case Stmt::OpaqueValueExprClass: 180 case Stmt::PackExpansionExprClass: 181 case Stmt::SizeOfPackExprClass: 182 case Stmt::AsTypeExprClass: 183 K = CXCursor_UnexposedExpr; 184 break; 185 186 case Stmt::DeclRefExprClass: 187 case Stmt::BlockDeclRefExprClass: 188 case Stmt::SubstNonTypeTemplateParmExprClass: 189 case Stmt::SubstNonTypeTemplateParmPackExprClass: 190 // FIXME: UnresolvedLookupExpr? 191 // FIXME: DependentScopeDeclRefExpr? 192 K = CXCursor_DeclRefExpr; 193 break; 194 195 case Stmt::MemberExprClass: 196 case Stmt::ObjCIvarRefExprClass: 197 case Stmt::ObjCPropertyRefExprClass: 198 // FIXME: UnresolvedMemberExpr? 199 // FIXME: CXXDependentScopeMemberExpr? 200 K = CXCursor_MemberRefExpr; 201 break; 202 203 case Stmt::CallExprClass: 204 case Stmt::CXXOperatorCallExprClass: 205 case Stmt::CXXMemberCallExprClass: 206 case Stmt::CUDAKernelCallExprClass: 207 case Stmt::CXXConstructExprClass: 208 case Stmt::CXXTemporaryObjectExprClass: 209 // FIXME: CXXUnresolvedConstructExpr 210 K = CXCursor_CallExpr; 211 break; 212 213 case Stmt::ObjCMessageExprClass: 214 K = CXCursor_ObjCMessageExpr; 215 break; 216 } 217 218 CXCursor C = { K, { Parent, S, TU } }; 219 return C; 220} 221 222CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 223 SourceLocation Loc, 224 CXTranslationUnit TU) { 225 assert(Super && TU && "Invalid arguments!"); 226 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 227 CXCursor C = { CXCursor_ObjCSuperClassRef, { Super, RawLoc, TU } }; 228 return C; 229} 230 231std::pair<ObjCInterfaceDecl *, SourceLocation> 232cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 233 assert(C.kind == CXCursor_ObjCSuperClassRef); 234 return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]), 235 SourceLocation::getFromRawEncoding( 236 reinterpret_cast<uintptr_t>(C.data[1]))); 237} 238 239CXCursor cxcursor::MakeCursorObjCProtocolRef(ObjCProtocolDecl *Super, 240 SourceLocation Loc, 241 CXTranslationUnit TU) { 242 assert(Super && TU && "Invalid arguments!"); 243 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 244 CXCursor C = { CXCursor_ObjCProtocolRef, { Super, RawLoc, TU } }; 245 return C; 246} 247 248std::pair<ObjCProtocolDecl *, SourceLocation> 249cxcursor::getCursorObjCProtocolRef(CXCursor C) { 250 assert(C.kind == CXCursor_ObjCProtocolRef); 251 return std::make_pair(static_cast<ObjCProtocolDecl *>(C.data[0]), 252 SourceLocation::getFromRawEncoding( 253 reinterpret_cast<uintptr_t>(C.data[1]))); 254} 255 256CXCursor cxcursor::MakeCursorObjCClassRef(ObjCInterfaceDecl *Class, 257 SourceLocation Loc, 258 CXTranslationUnit TU) { 259 // 'Class' can be null for invalid code. 260 if (!Class) 261 return MakeCXCursorInvalid(CXCursor_InvalidCode); 262 assert(TU && "Invalid arguments!"); 263 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 264 CXCursor C = { CXCursor_ObjCClassRef, { Class, RawLoc, TU } }; 265 return C; 266} 267 268std::pair<ObjCInterfaceDecl *, SourceLocation> 269cxcursor::getCursorObjCClassRef(CXCursor C) { 270 assert(C.kind == CXCursor_ObjCClassRef); 271 return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]), 272 SourceLocation::getFromRawEncoding( 273 reinterpret_cast<uintptr_t>(C.data[1]))); 274} 275 276CXCursor cxcursor::MakeCursorTypeRef(TypeDecl *Type, SourceLocation Loc, 277 CXTranslationUnit TU) { 278 assert(Type && TU && "Invalid arguments!"); 279 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 280 CXCursor C = { CXCursor_TypeRef, { Type, RawLoc, TU } }; 281 return C; 282} 283 284std::pair<TypeDecl *, SourceLocation> 285cxcursor::getCursorTypeRef(CXCursor C) { 286 assert(C.kind == CXCursor_TypeRef); 287 return std::make_pair(static_cast<TypeDecl *>(C.data[0]), 288 SourceLocation::getFromRawEncoding( 289 reinterpret_cast<uintptr_t>(C.data[1]))); 290} 291 292CXCursor cxcursor::MakeCursorTemplateRef(TemplateDecl *Template, 293 SourceLocation Loc, 294 CXTranslationUnit TU) { 295 assert(Template && TU && "Invalid arguments!"); 296 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 297 CXCursor C = { CXCursor_TemplateRef, { Template, RawLoc, TU } }; 298 return C; 299} 300 301std::pair<TemplateDecl *, SourceLocation> 302cxcursor::getCursorTemplateRef(CXCursor C) { 303 assert(C.kind == CXCursor_TemplateRef); 304 return std::make_pair(static_cast<TemplateDecl *>(C.data[0]), 305 SourceLocation::getFromRawEncoding( 306 reinterpret_cast<uintptr_t>(C.data[1]))); 307} 308 309CXCursor cxcursor::MakeCursorNamespaceRef(NamedDecl *NS, SourceLocation Loc, 310 CXTranslationUnit TU) { 311 312 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 313 "Invalid arguments!"); 314 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 315 CXCursor C = { CXCursor_NamespaceRef, { NS, RawLoc, TU } }; 316 return C; 317} 318 319std::pair<NamedDecl *, SourceLocation> 320cxcursor::getCursorNamespaceRef(CXCursor C) { 321 assert(C.kind == CXCursor_NamespaceRef); 322 return std::make_pair(static_cast<NamedDecl *>(C.data[0]), 323 SourceLocation::getFromRawEncoding( 324 reinterpret_cast<uintptr_t>(C.data[1]))); 325} 326 327CXCursor cxcursor::MakeCursorMemberRef(FieldDecl *Field, SourceLocation Loc, 328 CXTranslationUnit TU) { 329 330 assert(Field && TU && "Invalid arguments!"); 331 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 332 CXCursor C = { CXCursor_MemberRef, { Field, RawLoc, TU } }; 333 return C; 334} 335 336std::pair<FieldDecl *, SourceLocation> 337cxcursor::getCursorMemberRef(CXCursor C) { 338 assert(C.kind == CXCursor_MemberRef); 339 return std::make_pair(static_cast<FieldDecl *>(C.data[0]), 340 SourceLocation::getFromRawEncoding( 341 reinterpret_cast<uintptr_t>(C.data[1]))); 342} 343 344CXCursor cxcursor::MakeCursorCXXBaseSpecifier(CXXBaseSpecifier *B, 345 CXTranslationUnit TU){ 346 CXCursor C = { CXCursor_CXXBaseSpecifier, { B, 0, TU } }; 347 return C; 348} 349 350CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 351 assert(C.kind == CXCursor_CXXBaseSpecifier); 352 return static_cast<CXXBaseSpecifier*>(C.data[0]); 353} 354 355CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 356 CXTranslationUnit TU) { 357 CXCursor C = { CXCursor_PreprocessingDirective, 358 { reinterpret_cast<void *>(Range.getBegin().getRawEncoding()), 359 reinterpret_cast<void *>(Range.getEnd().getRawEncoding()), 360 TU } 361 }; 362 return C; 363} 364 365SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 366 assert(C.kind == CXCursor_PreprocessingDirective); 367 SourceRange Range = SourceRange(SourceLocation::getFromRawEncoding( 368 reinterpret_cast<uintptr_t> (C.data[0])), 369 SourceLocation::getFromRawEncoding( 370 reinterpret_cast<uintptr_t> (C.data[1]))); 371 ASTUnit *TU = getCursorASTUnit(C); 372 return TU->mapRangeFromPreamble(Range); 373} 374 375CXCursor cxcursor::MakeMacroDefinitionCursor(MacroDefinition *MI, 376 CXTranslationUnit TU) { 377 CXCursor C = { CXCursor_MacroDefinition, { MI, 0, TU } }; 378 return C; 379} 380 381MacroDefinition *cxcursor::getCursorMacroDefinition(CXCursor C) { 382 assert(C.kind == CXCursor_MacroDefinition); 383 return static_cast<MacroDefinition *>(C.data[0]); 384} 385 386CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 387 CXTranslationUnit TU) { 388 CXCursor C = { CXCursor_MacroExpansion, { MI, 0, TU } }; 389 return C; 390} 391 392MacroExpansion *cxcursor::getCursorMacroExpansion(CXCursor C) { 393 assert(C.kind == CXCursor_MacroExpansion); 394 return static_cast<MacroExpansion *>(C.data[0]); 395} 396 397CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 398 CXTranslationUnit TU) { 399 CXCursor C = { CXCursor_InclusionDirective, { ID, 0, TU } }; 400 return C; 401} 402 403InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 404 assert(C.kind == CXCursor_InclusionDirective); 405 return static_cast<InclusionDirective *>(C.data[0]); 406} 407 408CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 409 CXTranslationUnit TU) { 410 411 assert(Label && TU && "Invalid arguments!"); 412 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 413 CXCursor C = { CXCursor_LabelRef, { Label, RawLoc, TU } }; 414 return C; 415} 416 417std::pair<LabelStmt*, SourceLocation> 418cxcursor::getCursorLabelRef(CXCursor C) { 419 assert(C.kind == CXCursor_LabelRef); 420 return std::make_pair(static_cast<LabelStmt *>(C.data[0]), 421 SourceLocation::getFromRawEncoding( 422 reinterpret_cast<uintptr_t>(C.data[1]))); 423} 424 425CXCursor cxcursor::MakeCursorOverloadedDeclRef(OverloadExpr *E, 426 CXTranslationUnit TU) { 427 assert(E && TU && "Invalid arguments!"); 428 OverloadedDeclRefStorage Storage(E); 429 void *RawLoc = reinterpret_cast<void *>(E->getNameLoc().getRawEncoding()); 430 CXCursor C = { 431 CXCursor_OverloadedDeclRef, 432 { Storage.getOpaqueValue(), RawLoc, TU } 433 }; 434 return C; 435} 436 437CXCursor cxcursor::MakeCursorOverloadedDeclRef(Decl *D, 438 SourceLocation Loc, 439 CXTranslationUnit TU) { 440 assert(D && TU && "Invalid arguments!"); 441 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 442 OverloadedDeclRefStorage Storage(D); 443 CXCursor C = { 444 CXCursor_OverloadedDeclRef, 445 { Storage.getOpaqueValue(), RawLoc, TU } 446 }; 447 return C; 448} 449 450CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 451 SourceLocation Loc, 452 CXTranslationUnit TU) { 453 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 454 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 455 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 456 CXCursor C = { 457 CXCursor_OverloadedDeclRef, 458 { Storage.getOpaqueValue(), RawLoc, TU } 459 }; 460 return C; 461} 462 463std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 464cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 465 assert(C.kind == CXCursor_OverloadedDeclRef); 466 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue(C.data[0]), 467 SourceLocation::getFromRawEncoding( 468 reinterpret_cast<uintptr_t>(C.data[1]))); 469} 470 471Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 472 return (Decl *)Cursor.data[0]; 473} 474 475Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 476 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 477} 478 479Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 480 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 481 Cursor.kind == CXCursor_ObjCProtocolRef || 482 Cursor.kind == CXCursor_ObjCClassRef) 483 return 0; 484 485 return (Stmt *)Cursor.data[1]; 486} 487 488Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 489 return (Attr *)Cursor.data[1]; 490} 491 492Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 493 return (Decl *)Cursor.data[0]; 494} 495 496ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 497 return getCursorASTUnit(Cursor)->getASTContext(); 498} 499 500ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 501 return static_cast<ASTUnit *>(static_cast<CXTranslationUnit>(Cursor.data[2]) 502 ->TUData); 503} 504 505CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 506 return static_cast<CXTranslationUnit>(Cursor.data[2]); 507} 508 509bool cxcursor::operator==(CXCursor X, CXCursor Y) { 510 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 511 X.data[2] == Y.data[2]; 512} 513 514// FIXME: Remove once we can model DeclGroups and their appropriate ranges 515// properly in the ASTs. 516bool cxcursor::isFirstInDeclGroup(CXCursor C) { 517 assert(clang_isDeclaration(C.kind)); 518 return ((uintptr_t) (C.data[1])) != 0; 519} 520 521//===----------------------------------------------------------------------===// 522// libclang CXCursor APIs 523//===----------------------------------------------------------------------===// 524 525CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 526 return getCursorTU(cursor); 527} 528 529//===----------------------------------------------------------------------===// 530// CXCursorSet. 531//===----------------------------------------------------------------------===// 532 533typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 534 535static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 536 return (CXCursorSet) setImpl; 537} 538static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 539 return (CXCursorSet_Impl*) set; 540} 541namespace llvm { 542template<> struct DenseMapInfo<CXCursor> { 543public: 544 static inline CXCursor getEmptyKey() { 545 return MakeCXCursorInvalid(CXCursor_InvalidFile); 546 } 547 static inline CXCursor getTombstoneKey() { 548 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 549 } 550 static inline unsigned getHashValue(const CXCursor &cursor) { 551 return llvm::DenseMapInfo<std::pair<void*,void*> > 552 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 553 } 554 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 555 return x.kind == y.kind && 556 x.data[0] == y.data[0] && 557 x.data[1] == y.data[1]; 558 } 559}; 560} 561 562extern "C" { 563CXCursorSet clang_createCXCursorSet() { 564 return packCXCursorSet(new CXCursorSet_Impl()); 565} 566 567void clang_disposeCXCursorSet(CXCursorSet set) { 568 delete unpackCXCursorSet(set); 569} 570 571unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 572 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 573 if (!setImpl) 574 return 0; 575 return setImpl->find(cursor) == setImpl->end(); 576} 577 578unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 579 // Do not insert invalid cursors into the set. 580 if (cursor.kind >= CXCursor_FirstInvalid && 581 cursor.kind <= CXCursor_LastInvalid) 582 return 1; 583 584 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 585 if (!setImpl) 586 return 1; 587 unsigned &entry = (*setImpl)[cursor]; 588 unsigned flag = entry == 0 ? 1 : 0; 589 entry = 1; 590 return flag; 591} 592 593CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 594 enum CXCursorKind kind = clang_getCursorKind(cursor); 595 if (clang_isDeclaration(kind)) { 596 Decl *decl = getCursorDecl(cursor); 597 if (isa<NamedDecl>(decl)) { 598 NamedDecl *namedDecl = (NamedDecl *)decl; 599 ASTUnit *unit = getCursorASTUnit(cursor); 600 if (unit->hasSema()) { 601 Sema &S = unit->getSema(); 602 CodeCompletionAllocator *Allocator 603 = unit->getCursorCompletionAllocator().getPtr(); 604 CodeCompletionResult Result(namedDecl); 605 CodeCompletionString *String 606 = Result.CreateCodeCompletionString(S, *Allocator); 607 return String; 608 } 609 } 610 } 611 else if (kind == CXCursor_MacroDefinition) { 612 MacroDefinition *definition = getCursorMacroDefinition(cursor); 613 const IdentifierInfo *MacroInfo = definition->getName(); 614 ASTUnit *unit = getCursorASTUnit(cursor); 615 if (unit->hasSema()) { 616 Sema &S = unit->getSema(); 617 CodeCompletionAllocator *Allocator 618 = unit->getCursorCompletionAllocator().getPtr(); 619 CodeCompletionResult Result(const_cast<IdentifierInfo *>(MacroInfo)); 620 CodeCompletionString *String 621 = Result.CreateCodeCompletionString(S, *Allocator); 622 return String; 623 } 624 } 625 return NULL; 626} 627 628} // end: extern "C" 629