Pirama Arumuga Nainar | d285ad0 | 2022-02-08 09:26:56 -0800 | [diff] [blame] | 1 | //===- DeclOpenMP.h - Classes for representing OpenMP directives -*- C++ -*-===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | /// |
| 9 | /// \file |
| 10 | /// This file defines OpenMP nodes for declarative directives. |
| 11 | /// |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #ifndef LLVM_CLANG_AST_DECLOPENMP_H |
| 15 | #define LLVM_CLANG_AST_DECLOPENMP_H |
| 16 | |
| 17 | #include "clang/AST/ASTContext.h" |
| 18 | #include "clang/AST/Decl.h" |
| 19 | #include "clang/AST/Expr.h" |
| 20 | #include "clang/AST/ExternalASTSource.h" |
| 21 | #include "clang/AST/OpenMPClause.h" |
| 22 | #include "clang/AST/Type.h" |
| 23 | #include "llvm/ADT/ArrayRef.h" |
| 24 | #include "llvm/Support/TrailingObjects.h" |
| 25 | |
| 26 | namespace clang { |
| 27 | |
| 28 | /// This is a basic class for representing single OpenMP declarative directive. |
| 29 | /// |
| 30 | template <typename U> class OMPDeclarativeDirective : public U { |
| 31 | friend class ASTDeclReader; |
| 32 | friend class ASTDeclWriter; |
| 33 | |
| 34 | /// Get the clauses storage. |
| 35 | MutableArrayRef<OMPClause *> getClauses() { |
| 36 | if (!Data) |
| 37 | return llvm::None; |
| 38 | return Data->getClauses(); |
| 39 | } |
| 40 | |
| 41 | protected: |
| 42 | /// Data, associated with the directive. |
| 43 | OMPChildren *Data = nullptr; |
| 44 | |
| 45 | /// Build instance of directive. |
| 46 | template <typename... Params> |
| 47 | OMPDeclarativeDirective(Params &&... P) : U(std::forward<Params>(P)...) {} |
| 48 | |
| 49 | template <typename T, typename... Params> |
| 50 | static T *createDirective(const ASTContext &C, DeclContext *DC, |
| 51 | ArrayRef<OMPClause *> Clauses, unsigned NumChildren, |
| 52 | Params &&... P) { |
| 53 | auto *Inst = new (C, DC, size(Clauses.size(), NumChildren)) |
| 54 | T(DC, std::forward<Params>(P)...); |
| 55 | Inst->Data = OMPChildren::Create(Inst + 1, Clauses, |
| 56 | /*AssociatedStmt=*/nullptr, NumChildren); |
| 57 | Inst->Data->setClauses(Clauses); |
| 58 | return Inst; |
| 59 | } |
| 60 | |
| 61 | template <typename T, typename... Params> |
| 62 | static T *createEmptyDirective(const ASTContext &C, unsigned ID, |
| 63 | unsigned NumClauses, unsigned NumChildren, |
| 64 | Params &&... P) { |
| 65 | auto *Inst = new (C, ID, size(NumClauses, NumChildren)) |
| 66 | T(nullptr, std::forward<Params>(P)...); |
| 67 | Inst->Data = OMPChildren::CreateEmpty( |
| 68 | Inst + 1, NumClauses, /*HasAssociatedStmt=*/false, NumChildren); |
| 69 | return Inst; |
| 70 | } |
| 71 | |
| 72 | static size_t size(unsigned NumClauses, unsigned NumChildren) { |
| 73 | return OMPChildren::size(NumClauses, /*HasAssociatedStmt=*/false, |
| 74 | NumChildren); |
| 75 | } |
| 76 | |
| 77 | public: |
| 78 | /// Get number of clauses. |
| 79 | unsigned getNumClauses() const { |
| 80 | if (!Data) |
| 81 | return 0; |
| 82 | return Data->getNumClauses(); |
| 83 | } |
| 84 | |
| 85 | /// Returns specified clause. |
| 86 | /// |
| 87 | /// \param I Number of clause. |
| 88 | /// |
| 89 | OMPClause *getClause(unsigned I) const { return clauses()[I]; } |
| 90 | |
| 91 | ArrayRef<OMPClause *> clauses() const { |
| 92 | if (!Data) |
| 93 | return llvm::None; |
| 94 | return Data->getClauses(); |
| 95 | } |
| 96 | }; |
| 97 | |
| 98 | /// This represents '#pragma omp threadprivate ...' directive. |
| 99 | /// For example, in the following, both 'a' and 'A::b' are threadprivate: |
| 100 | /// |
| 101 | /// \code |
| 102 | /// int a; |
| 103 | /// #pragma omp threadprivate(a) |
| 104 | /// struct A { |
| 105 | /// static int b; |
| 106 | /// #pragma omp threadprivate(b) |
| 107 | /// }; |
| 108 | /// \endcode |
| 109 | /// |
| 110 | class OMPThreadPrivateDecl final : public OMPDeclarativeDirective<Decl> { |
| 111 | friend class OMPDeclarativeDirective<Decl>; |
| 112 | |
| 113 | virtual void anchor(); |
| 114 | |
| 115 | OMPThreadPrivateDecl(DeclContext *DC = nullptr, |
| 116 | SourceLocation L = SourceLocation()) |
| 117 | : OMPDeclarativeDirective<Decl>(OMPThreadPrivate, DC, L) {} |
| 118 | |
| 119 | ArrayRef<const Expr *> getVars() const { |
| 120 | auto **Storage = reinterpret_cast<Expr **>(Data->getChildren().data()); |
| 121 | return llvm::makeArrayRef(Storage, Data->getNumChildren()); |
| 122 | } |
| 123 | |
| 124 | MutableArrayRef<Expr *> getVars() { |
| 125 | auto **Storage = reinterpret_cast<Expr **>(Data->getChildren().data()); |
| 126 | return llvm::makeMutableArrayRef(Storage, Data->getNumChildren()); |
| 127 | } |
| 128 | |
| 129 | void setVars(ArrayRef<Expr *> VL); |
| 130 | |
| 131 | public: |
| 132 | static OMPThreadPrivateDecl *Create(ASTContext &C, DeclContext *DC, |
| 133 | SourceLocation L, |
| 134 | ArrayRef<Expr *> VL); |
| 135 | static OMPThreadPrivateDecl *CreateDeserialized(ASTContext &C, |
| 136 | unsigned ID, unsigned N); |
| 137 | |
| 138 | typedef MutableArrayRef<Expr *>::iterator varlist_iterator; |
| 139 | typedef ArrayRef<const Expr *>::iterator varlist_const_iterator; |
| 140 | typedef llvm::iterator_range<varlist_iterator> varlist_range; |
| 141 | typedef llvm::iterator_range<varlist_const_iterator> varlist_const_range; |
| 142 | |
| 143 | unsigned varlist_size() const { return Data->getNumChildren(); } |
| 144 | bool varlist_empty() const { return Data->getChildren().empty(); } |
| 145 | |
| 146 | varlist_range varlists() { |
| 147 | return varlist_range(varlist_begin(), varlist_end()); |
| 148 | } |
| 149 | varlist_const_range varlists() const { |
| 150 | return varlist_const_range(varlist_begin(), varlist_end()); |
| 151 | } |
| 152 | varlist_iterator varlist_begin() { return getVars().begin(); } |
| 153 | varlist_iterator varlist_end() { return getVars().end(); } |
| 154 | varlist_const_iterator varlist_begin() const { return getVars().begin(); } |
| 155 | varlist_const_iterator varlist_end() const { return getVars().end(); } |
| 156 | |
| 157 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| 158 | static bool classofKind(Kind K) { return K == OMPThreadPrivate; } |
| 159 | }; |
| 160 | |
| 161 | /// This represents '#pragma omp declare reduction ...' directive. |
| 162 | /// For example, in the following, declared reduction 'foo' for types 'int' and |
| 163 | /// 'float': |
| 164 | /// |
| 165 | /// \code |
| 166 | /// #pragma omp declare reduction (foo : int,float : omp_out += omp_in) |
| 167 | /// initializer (omp_priv = 0) |
| 168 | /// \endcode |
| 169 | /// |
| 170 | /// Here 'omp_out += omp_in' is a combiner and 'omp_priv = 0' is an initializer. |
| 171 | class OMPDeclareReductionDecl final : public ValueDecl, public DeclContext { |
| 172 | // This class stores some data in DeclContext::OMPDeclareReductionDeclBits |
| 173 | // to save some space. Use the provided accessors to access it. |
| 174 | public: |
| 175 | enum InitKind { |
| 176 | CallInit, // Initialized by function call. |
| 177 | DirectInit, // omp_priv(<expr>) |
| 178 | CopyInit // omp_priv = <expr> |
| 179 | }; |
| 180 | |
| 181 | private: |
| 182 | friend class ASTDeclReader; |
| 183 | /// Combiner for declare reduction construct. |
| 184 | Expr *Combiner = nullptr; |
| 185 | /// Initializer for declare reduction construct. |
| 186 | Expr *Initializer = nullptr; |
| 187 | /// In parameter of the combiner. |
| 188 | Expr *In = nullptr; |
| 189 | /// Out parameter of the combiner. |
| 190 | Expr *Out = nullptr; |
| 191 | /// Priv parameter of the initializer. |
| 192 | Expr *Priv = nullptr; |
| 193 | /// Orig parameter of the initializer. |
| 194 | Expr *Orig = nullptr; |
| 195 | |
| 196 | /// Reference to the previous declare reduction construct in the same |
| 197 | /// scope with the same name. Required for proper templates instantiation if |
| 198 | /// the declare reduction construct is declared inside compound statement. |
| 199 | LazyDeclPtr PrevDeclInScope; |
| 200 | |
| 201 | void anchor() override; |
| 202 | |
| 203 | OMPDeclareReductionDecl(Kind DK, DeclContext *DC, SourceLocation L, |
| 204 | DeclarationName Name, QualType Ty, |
| 205 | OMPDeclareReductionDecl *PrevDeclInScope); |
| 206 | |
| 207 | void setPrevDeclInScope(OMPDeclareReductionDecl *Prev) { |
| 208 | PrevDeclInScope = Prev; |
| 209 | } |
| 210 | |
| 211 | public: |
| 212 | /// Create declare reduction node. |
| 213 | static OMPDeclareReductionDecl * |
| 214 | Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name, |
| 215 | QualType T, OMPDeclareReductionDecl *PrevDeclInScope); |
| 216 | /// Create deserialized declare reduction node. |
| 217 | static OMPDeclareReductionDecl *CreateDeserialized(ASTContext &C, |
| 218 | unsigned ID); |
| 219 | |
| 220 | /// Get combiner expression of the declare reduction construct. |
| 221 | Expr *getCombiner() { return Combiner; } |
| 222 | const Expr *getCombiner() const { return Combiner; } |
| 223 | /// Get In variable of the combiner. |
| 224 | Expr *getCombinerIn() { return In; } |
| 225 | const Expr *getCombinerIn() const { return In; } |
| 226 | /// Get Out variable of the combiner. |
| 227 | Expr *getCombinerOut() { return Out; } |
| 228 | const Expr *getCombinerOut() const { return Out; } |
| 229 | /// Set combiner expression for the declare reduction construct. |
| 230 | void setCombiner(Expr *E) { Combiner = E; } |
| 231 | /// Set combiner In and Out vars. |
| 232 | void setCombinerData(Expr *InE, Expr *OutE) { |
| 233 | In = InE; |
| 234 | Out = OutE; |
| 235 | } |
| 236 | |
| 237 | /// Get initializer expression (if specified) of the declare reduction |
| 238 | /// construct. |
| 239 | Expr *getInitializer() { return Initializer; } |
| 240 | const Expr *getInitializer() const { return Initializer; } |
| 241 | /// Get initializer kind. |
| 242 | InitKind getInitializerKind() const { |
| 243 | return static_cast<InitKind>(OMPDeclareReductionDeclBits.InitializerKind); |
| 244 | } |
| 245 | /// Get Orig variable of the initializer. |
| 246 | Expr *getInitOrig() { return Orig; } |
| 247 | const Expr *getInitOrig() const { return Orig; } |
| 248 | /// Get Priv variable of the initializer. |
| 249 | Expr *getInitPriv() { return Priv; } |
| 250 | const Expr *getInitPriv() const { return Priv; } |
| 251 | /// Set initializer expression for the declare reduction construct. |
| 252 | void setInitializer(Expr *E, InitKind IK) { |
| 253 | Initializer = E; |
| 254 | OMPDeclareReductionDeclBits.InitializerKind = IK; |
| 255 | } |
| 256 | /// Set initializer Orig and Priv vars. |
| 257 | void setInitializerData(Expr *OrigE, Expr *PrivE) { |
| 258 | Orig = OrigE; |
| 259 | Priv = PrivE; |
| 260 | } |
| 261 | |
| 262 | /// Get reference to previous declare reduction construct in the same |
| 263 | /// scope with the same name. |
| 264 | OMPDeclareReductionDecl *getPrevDeclInScope(); |
| 265 | const OMPDeclareReductionDecl *getPrevDeclInScope() const; |
| 266 | |
| 267 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| 268 | static bool classofKind(Kind K) { return K == OMPDeclareReduction; } |
| 269 | static DeclContext *castToDeclContext(const OMPDeclareReductionDecl *D) { |
| 270 | return static_cast<DeclContext *>(const_cast<OMPDeclareReductionDecl *>(D)); |
| 271 | } |
| 272 | static OMPDeclareReductionDecl *castFromDeclContext(const DeclContext *DC) { |
| 273 | return static_cast<OMPDeclareReductionDecl *>( |
| 274 | const_cast<DeclContext *>(DC)); |
| 275 | } |
| 276 | }; |
| 277 | |
| 278 | /// This represents '#pragma omp declare mapper ...' directive. Map clauses are |
| 279 | /// allowed to use with this directive. The following example declares a user |
| 280 | /// defined mapper for the type 'struct vec'. This example instructs the fields |
| 281 | /// 'len' and 'data' should be mapped when mapping instances of 'struct vec'. |
| 282 | /// |
| 283 | /// \code |
| 284 | /// #pragma omp declare mapper(mid: struct vec v) map(v.len, v.data[0:N]) |
| 285 | /// \endcode |
| 286 | class OMPDeclareMapperDecl final : public OMPDeclarativeDirective<ValueDecl>, |
| 287 | public DeclContext { |
| 288 | friend class OMPDeclarativeDirective<ValueDecl>; |
| 289 | friend class ASTDeclReader; |
| 290 | friend class ASTDeclWriter; |
| 291 | |
| 292 | /// Mapper variable, which is 'v' in the example above |
| 293 | Expr *MapperVarRef = nullptr; |
| 294 | |
| 295 | /// Name of the mapper variable |
| 296 | DeclarationName VarName; |
| 297 | |
| 298 | LazyDeclPtr PrevDeclInScope; |
| 299 | |
| 300 | void anchor() override; |
| 301 | |
| 302 | OMPDeclareMapperDecl(DeclContext *DC, SourceLocation L, DeclarationName Name, |
| 303 | QualType Ty, DeclarationName VarName, |
| 304 | OMPDeclareMapperDecl *PrevDeclInScope) |
| 305 | : OMPDeclarativeDirective<ValueDecl>(OMPDeclareMapper, DC, L, Name, Ty), |
| 306 | DeclContext(OMPDeclareMapper), VarName(VarName), |
| 307 | PrevDeclInScope(PrevDeclInScope) {} |
| 308 | |
| 309 | void setPrevDeclInScope(OMPDeclareMapperDecl *Prev) { |
| 310 | PrevDeclInScope = Prev; |
| 311 | } |
| 312 | |
| 313 | public: |
| 314 | /// Creates declare mapper node. |
| 315 | static OMPDeclareMapperDecl *Create(ASTContext &C, DeclContext *DC, |
| 316 | SourceLocation L, DeclarationName Name, |
| 317 | QualType T, DeclarationName VarName, |
| 318 | ArrayRef<OMPClause *> Clauses, |
| 319 | OMPDeclareMapperDecl *PrevDeclInScope); |
| 320 | /// Creates deserialized declare mapper node. |
| 321 | static OMPDeclareMapperDecl *CreateDeserialized(ASTContext &C, unsigned ID, |
| 322 | unsigned N); |
| 323 | |
| 324 | using clauselist_iterator = MutableArrayRef<OMPClause *>::iterator; |
| 325 | using clauselist_const_iterator = ArrayRef<const OMPClause *>::iterator; |
| 326 | using clauselist_range = llvm::iterator_range<clauselist_iterator>; |
| 327 | using clauselist_const_range = |
| 328 | llvm::iterator_range<clauselist_const_iterator>; |
| 329 | |
| 330 | unsigned clauselist_size() const { return Data->getNumClauses(); } |
| 331 | bool clauselist_empty() const { return Data->getClauses().empty(); } |
| 332 | |
| 333 | clauselist_range clauselists() { |
| 334 | return clauselist_range(clauselist_begin(), clauselist_end()); |
| 335 | } |
| 336 | clauselist_const_range clauselists() const { |
| 337 | return clauselist_const_range(clauselist_begin(), clauselist_end()); |
| 338 | } |
| 339 | clauselist_iterator clauselist_begin() { return Data->getClauses().begin(); } |
| 340 | clauselist_iterator clauselist_end() { return Data->getClauses().end(); } |
| 341 | clauselist_const_iterator clauselist_begin() const { |
| 342 | return Data->getClauses().begin(); |
| 343 | } |
| 344 | clauselist_const_iterator clauselist_end() const { |
| 345 | return Data->getClauses().end(); |
| 346 | } |
| 347 | |
| 348 | /// Get the variable declared in the mapper |
| 349 | Expr *getMapperVarRef() { return cast_or_null<Expr>(Data->getChildren()[0]); } |
| 350 | const Expr *getMapperVarRef() const { |
| 351 | return cast_or_null<Expr>(Data->getChildren()[0]); |
| 352 | } |
| 353 | /// Set the variable declared in the mapper |
| 354 | void setMapperVarRef(Expr *MapperVarRefE) { |
| 355 | Data->getChildren()[0] = MapperVarRefE; |
| 356 | } |
| 357 | |
| 358 | /// Get the name of the variable declared in the mapper |
| 359 | DeclarationName getVarName() { return VarName; } |
| 360 | |
| 361 | /// Get reference to previous declare mapper construct in the same |
| 362 | /// scope with the same name. |
| 363 | OMPDeclareMapperDecl *getPrevDeclInScope(); |
| 364 | const OMPDeclareMapperDecl *getPrevDeclInScope() const; |
| 365 | |
| 366 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| 367 | static bool classofKind(Kind K) { return K == OMPDeclareMapper; } |
| 368 | static DeclContext *castToDeclContext(const OMPDeclareMapperDecl *D) { |
| 369 | return static_cast<DeclContext *>(const_cast<OMPDeclareMapperDecl *>(D)); |
| 370 | } |
| 371 | static OMPDeclareMapperDecl *castFromDeclContext(const DeclContext *DC) { |
| 372 | return static_cast<OMPDeclareMapperDecl *>(const_cast<DeclContext *>(DC)); |
| 373 | } |
| 374 | }; |
| 375 | |
| 376 | /// Pseudo declaration for capturing expressions. Also is used for capturing of |
| 377 | /// non-static data members in non-static member functions. |
| 378 | /// |
| 379 | /// Clang supports capturing of variables only, but OpenMP 4.5 allows to |
| 380 | /// privatize non-static members of current class in non-static member |
| 381 | /// functions. This pseudo-declaration allows properly handle this kind of |
| 382 | /// capture by wrapping captured expression into a variable-like declaration. |
| 383 | class OMPCapturedExprDecl final : public VarDecl { |
| 384 | friend class ASTDeclReader; |
| 385 | void anchor() override; |
| 386 | |
| 387 | OMPCapturedExprDecl(ASTContext &C, DeclContext *DC, IdentifierInfo *Id, |
| 388 | QualType Type, TypeSourceInfo *TInfo, |
| 389 | SourceLocation StartLoc) |
| 390 | : VarDecl(OMPCapturedExpr, C, DC, StartLoc, StartLoc, Id, Type, TInfo, |
| 391 | SC_None) { |
| 392 | setImplicit(); |
| 393 | } |
| 394 | |
| 395 | public: |
| 396 | static OMPCapturedExprDecl *Create(ASTContext &C, DeclContext *DC, |
| 397 | IdentifierInfo *Id, QualType T, |
| 398 | SourceLocation StartLoc); |
| 399 | |
| 400 | static OMPCapturedExprDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
| 401 | |
| 402 | SourceRange getSourceRange() const override LLVM_READONLY; |
| 403 | |
| 404 | // Implement isa/cast/dyncast/etc. |
| 405 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| 406 | static bool classofKind(Kind K) { return K == OMPCapturedExpr; } |
| 407 | }; |
| 408 | |
| 409 | /// This represents '#pragma omp requires...' directive. |
| 410 | /// For example |
| 411 | /// |
| 412 | /// \code |
| 413 | /// #pragma omp requires unified_address |
| 414 | /// \endcode |
| 415 | /// |
| 416 | class OMPRequiresDecl final : public OMPDeclarativeDirective<Decl> { |
| 417 | friend class OMPDeclarativeDirective<Decl>; |
| 418 | friend class ASTDeclReader; |
| 419 | |
| 420 | virtual void anchor(); |
| 421 | |
| 422 | OMPRequiresDecl(DeclContext *DC, SourceLocation L) |
| 423 | : OMPDeclarativeDirective<Decl>(OMPRequires, DC, L) {} |
| 424 | |
| 425 | public: |
| 426 | /// Create requires node. |
| 427 | static OMPRequiresDecl *Create(ASTContext &C, DeclContext *DC, |
| 428 | SourceLocation L, ArrayRef<OMPClause *> CL); |
| 429 | /// Create deserialized requires node. |
| 430 | static OMPRequiresDecl *CreateDeserialized(ASTContext &C, unsigned ID, |
| 431 | unsigned N); |
| 432 | |
| 433 | using clauselist_iterator = MutableArrayRef<OMPClause *>::iterator; |
| 434 | using clauselist_const_iterator = ArrayRef<const OMPClause *>::iterator; |
| 435 | using clauselist_range = llvm::iterator_range<clauselist_iterator>; |
| 436 | using clauselist_const_range = llvm::iterator_range<clauselist_const_iterator>; |
| 437 | |
| 438 | unsigned clauselist_size() const { return Data->getNumClauses(); } |
| 439 | bool clauselist_empty() const { return Data->getClauses().empty(); } |
| 440 | |
| 441 | clauselist_range clauselists() { |
| 442 | return clauselist_range(clauselist_begin(), clauselist_end()); |
| 443 | } |
| 444 | clauselist_const_range clauselists() const { |
| 445 | return clauselist_const_range(clauselist_begin(), clauselist_end()); |
| 446 | } |
| 447 | clauselist_iterator clauselist_begin() { return Data->getClauses().begin(); } |
| 448 | clauselist_iterator clauselist_end() { return Data->getClauses().end(); } |
| 449 | clauselist_const_iterator clauselist_begin() const { |
| 450 | return Data->getClauses().begin(); |
| 451 | } |
| 452 | clauselist_const_iterator clauselist_end() const { |
| 453 | return Data->getClauses().end(); |
| 454 | } |
| 455 | |
| 456 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| 457 | static bool classofKind(Kind K) { return K == OMPRequires; } |
| 458 | }; |
| 459 | |
| 460 | /// This represents '#pragma omp allocate ...' directive. |
| 461 | /// For example, in the following, the default allocator is used for both 'a' |
| 462 | /// and 'A::b': |
| 463 | /// |
| 464 | /// \code |
| 465 | /// int a; |
| 466 | /// #pragma omp allocate(a) |
| 467 | /// struct A { |
| 468 | /// static int b; |
| 469 | /// #pragma omp allocate(b) |
| 470 | /// }; |
| 471 | /// \endcode |
| 472 | /// |
| 473 | class OMPAllocateDecl final : public OMPDeclarativeDirective<Decl> { |
| 474 | friend class OMPDeclarativeDirective<Decl>; |
| 475 | friend class ASTDeclReader; |
| 476 | |
| 477 | virtual void anchor(); |
| 478 | |
| 479 | OMPAllocateDecl(DeclContext *DC, SourceLocation L) |
| 480 | : OMPDeclarativeDirective<Decl>(OMPAllocate, DC, L) {} |
| 481 | |
| 482 | ArrayRef<const Expr *> getVars() const { |
| 483 | auto **Storage = reinterpret_cast<Expr **>(Data->getChildren().data()); |
| 484 | return llvm::makeArrayRef(Storage, Data->getNumChildren()); |
| 485 | } |
| 486 | |
| 487 | MutableArrayRef<Expr *> getVars() { |
| 488 | auto **Storage = reinterpret_cast<Expr **>(Data->getChildren().data()); |
| 489 | return llvm::makeMutableArrayRef(Storage, Data->getNumChildren()); |
| 490 | } |
| 491 | |
| 492 | void setVars(ArrayRef<Expr *> VL); |
| 493 | |
| 494 | public: |
| 495 | static OMPAllocateDecl *Create(ASTContext &C, DeclContext *DC, |
| 496 | SourceLocation L, ArrayRef<Expr *> VL, |
| 497 | ArrayRef<OMPClause *> CL); |
| 498 | static OMPAllocateDecl *CreateDeserialized(ASTContext &C, unsigned ID, |
| 499 | unsigned NVars, unsigned NClauses); |
| 500 | |
| 501 | typedef MutableArrayRef<Expr *>::iterator varlist_iterator; |
| 502 | typedef ArrayRef<const Expr *>::iterator varlist_const_iterator; |
| 503 | typedef llvm::iterator_range<varlist_iterator> varlist_range; |
| 504 | typedef llvm::iterator_range<varlist_const_iterator> varlist_const_range; |
| 505 | using clauselist_iterator = MutableArrayRef<OMPClause *>::iterator; |
| 506 | using clauselist_const_iterator = ArrayRef<const OMPClause *>::iterator; |
| 507 | using clauselist_range = llvm::iterator_range<clauselist_iterator>; |
| 508 | using clauselist_const_range = llvm::iterator_range<clauselist_const_iterator>; |
| 509 | |
| 510 | unsigned varlist_size() const { return Data->getNumChildren(); } |
| 511 | bool varlist_empty() const { return Data->getChildren().empty(); } |
| 512 | unsigned clauselist_size() const { return Data->getNumClauses(); } |
| 513 | bool clauselist_empty() const { return Data->getClauses().empty(); } |
| 514 | |
| 515 | varlist_range varlists() { |
| 516 | return varlist_range(varlist_begin(), varlist_end()); |
| 517 | } |
| 518 | varlist_const_range varlists() const { |
| 519 | return varlist_const_range(varlist_begin(), varlist_end()); |
| 520 | } |
| 521 | varlist_iterator varlist_begin() { return getVars().begin(); } |
| 522 | varlist_iterator varlist_end() { return getVars().end(); } |
| 523 | varlist_const_iterator varlist_begin() const { return getVars().begin(); } |
| 524 | varlist_const_iterator varlist_end() const { return getVars().end(); } |
| 525 | |
| 526 | clauselist_range clauselists() { |
| 527 | return clauselist_range(clauselist_begin(), clauselist_end()); |
| 528 | } |
| 529 | clauselist_const_range clauselists() const { |
| 530 | return clauselist_const_range(clauselist_begin(), clauselist_end()); |
| 531 | } |
| 532 | clauselist_iterator clauselist_begin() { return Data->getClauses().begin(); } |
| 533 | clauselist_iterator clauselist_end() { return Data->getClauses().end(); } |
| 534 | clauselist_const_iterator clauselist_begin() const { |
| 535 | return Data->getClauses().begin(); |
| 536 | } |
| 537 | clauselist_const_iterator clauselist_end() const { |
| 538 | return Data->getClauses().end(); |
| 539 | } |
| 540 | |
| 541 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| 542 | static bool classofKind(Kind K) { return K == OMPAllocate; } |
| 543 | }; |
| 544 | |
| 545 | } // end namespace clang |
| 546 | |
| 547 | #endif |