//===--- DeclOpenMP.cpp - Declaration OpenMP AST Node Implementation ------===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

/// \file

/// This file implements OMPThreadPrivateDecl, OMPCapturedExprDecl

/// classes.

///

//===----------------------------------------------------------------------===//

#include "clang/AST/ASTContext.h"

#include "clang/AST/Decl.h"

#include "clang/AST/DeclBase.h"

#include "clang/AST/DeclOpenMP.h"

#include "clang/AST/Expr.h"

using namespace clang;

//===----------------------------------------------------------------------===//

// OMPThreadPrivateDecl Implementation.

//===----------------------------------------------------------------------===//

void OMPThreadPrivateDecl::anchor() {}

OMPThreadPrivateDecl *OMPThreadPrivateDecl::Create(ASTContext &C,

                                                   DeclContext *DC,

                                                   SourceLocation L,

                                                   ArrayRef<Expr *> VL) {

  auto *D = OMPDeclarativeDirective::createDirective<OMPThreadPrivateDecl>(

      C, DC, std::nullopt, VL.size(), L);

  D->setVars(VL);

  return D;

}

OMPThreadPrivateDecl *OMPThreadPrivateDecl::CreateDeserialized(ASTContext &C,

                                                               unsigned ID,

                                                               unsigned N) {

  return OMPDeclarativeDirective::createEmptyDirective<OMPThreadPrivateDecl>(

      C, ID, 0, N);

}

void OMPThreadPrivateDecl::setVars(ArrayRef<Expr *> VL) {

  assert(VL.size() == Data->getNumChildren() &&

         "Number of variables is not the same as the preallocated buffer");

  llvm::copy(VL, getVars().begin());

}

//===----------------------------------------------------------------------===//

// OMPAllocateDecl Implementation.

//===----------------------------------------------------------------------===//

void OMPAllocateDecl::anchor() { }

OMPAllocateDecl *OMPAllocateDecl::Create(ASTContext &C, DeclContext *DC,

                                         SourceLocation L, ArrayRef<Expr *> VL,

                                         ArrayRef<OMPClause *> CL) {

  auto *D = OMPDeclarativeDirective::createDirective<OMPAllocateDecl>(

      C, DC, CL, VL.size(), L);

  D->setVars(VL);

  return D;

}

OMPAllocateDecl *OMPAllocateDecl::CreateDeserialized(ASTContext &C, unsigned ID,

                                                     unsigned NVars,

                                                     unsigned NClauses) {

  return OMPDeclarativeDirective::createEmptyDirective<OMPAllocateDecl>(

      C, ID, NClauses, NVars, SourceLocation());

}

void OMPAllocateDecl::setVars(ArrayRef<Expr *> VL) {

  assert(VL.size() == Data->getNumChildren() &&

         "Number of variables is not the same as the preallocated buffer");

  llvm::copy(VL, getVars().begin());

}

//===----------------------------------------------------------------------===//

// OMPRequiresDecl Implementation.

//===----------------------------------------------------------------------===//

void OMPRequiresDecl::anchor() {}

OMPRequiresDecl *OMPRequiresDecl::Create(ASTContext &C, DeclContext *DC,

                                         SourceLocation L,

                                         ArrayRef<OMPClause *> CL) {

  return OMPDeclarativeDirective::createDirective<OMPRequiresDecl>(C, DC, CL, 0,

                                                                   L);

}

OMPRequiresDecl *OMPRequiresDecl::CreateDeserialized(ASTContext &C, unsigned ID,

                                                     unsigned N) {

  return OMPDeclarativeDirective::createEmptyDirective<OMPRequiresDecl>(

      C, ID, N, 0, SourceLocation());

}

//===----------------------------------------------------------------------===//

// OMPDeclareReductionDecl Implementation.

//===----------------------------------------------------------------------===//

OMPDeclareReductionDecl::OMPDeclareReductionDecl(

    Kind DK, DeclContext *DC, SourceLocation L, DeclarationName Name,

    QualType Ty, OMPDeclareReductionDecl *PrevDeclInScope)

    : ValueDecl(DK, DC, L, Name, Ty), DeclContext(DK), Combiner(nullptr),

      PrevDeclInScope(PrevDeclInScope) {

  setInitializer(nullptr, OMPDeclareReductionInitKind::Call);

}

void OMPDeclareReductionDecl::anchor() {}

OMPDeclareReductionDecl *OMPDeclareReductionDecl::Create(

    ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name,

    QualType T, OMPDeclareReductionDecl *PrevDeclInScope) {

  return new (C, DC) OMPDeclareReductionDecl(OMPDeclareReduction, DC, L, Name,

                                             T, PrevDeclInScope);

}

OMPDeclareReductionDecl *

OMPDeclareReductionDecl::CreateDeserialized(ASTContext &C, unsigned ID) {

  return new (C, ID) OMPDeclareReductionDecl(

      OMPDeclareReduction, /*DC=*/nullptr, SourceLocation(), DeclarationName(),

      QualType(), /*PrevDeclInScope=*/nullptr);

}

OMPDeclareReductionDecl *OMPDeclareReductionDecl::getPrevDeclInScope() {

  return cast_or_null<OMPDeclareReductionDecl>(

      PrevDeclInScope.get(getASTContext().getExternalSource()));

}

const OMPDeclareReductionDecl *

OMPDeclareReductionDecl::getPrevDeclInScope() const {

  return cast_or_null<OMPDeclareReductionDecl>(

      PrevDeclInScope.get(getASTContext().getExternalSource()));

}

//===----------------------------------------------------------------------===//

// OMPDeclareMapperDecl Implementation.

//===----------------------------------------------------------------------===//

void OMPDeclareMapperDecl::anchor() {}

OMPDeclareMapperDecl *OMPDeclareMapperDecl::Create(

    ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name,

    QualType T, DeclarationName VarName, ArrayRef<OMPClause *> Clauses,

    OMPDeclareMapperDecl *PrevDeclInScope) {

  return OMPDeclarativeDirective::createDirective<OMPDeclareMapperDecl>(

      C, DC, Clauses, 1, L, Name, T, VarName, PrevDeclInScope);

}

OMPDeclareMapperDecl *OMPDeclareMapperDecl::CreateDeserialized(ASTContext &C,

                                                               unsigned ID,

                                                               unsigned N) {

  return OMPDeclarativeDirective::createEmptyDirective<OMPDeclareMapperDecl>(

      C, ID, N, 1, SourceLocation(), DeclarationName(), QualType(),

      DeclarationName(), /*PrevDeclInScope=*/nullptr);

}

OMPDeclareMapperDecl *OMPDeclareMapperDecl::getPrevDeclInScope() {

  return cast_or_null<OMPDeclareMapperDecl>(

      PrevDeclInScope.get(getASTContext().getExternalSource()));

}

const OMPDeclareMapperDecl *OMPDeclareMapperDecl::getPrevDeclInScope() const {

  return cast_or_null<OMPDeclareMapperDecl>(

      PrevDeclInScope.get(getASTContext().getExternalSource()));

}

//===----------------------------------------------------------------------===//

// OMPCapturedExprDecl Implementation.

//===----------------------------------------------------------------------===//

void OMPCapturedExprDecl::anchor() {}

OMPCapturedExprDecl *OMPCapturedExprDecl::Create(ASTContext &C, DeclContext *DC,

                                                 IdentifierInfo *Id, QualType T,

                                                 SourceLocation StartLoc) {

  return new (C, DC) OMPCapturedExprDecl(

      C, DC, Id, T, C.getTrivialTypeSourceInfo(T), StartLoc);

}

OMPCapturedExprDecl *OMPCapturedExprDecl::CreateDeserialized(ASTContext &C,

                                                             unsigned ID) {

  return new (C, ID) OMPCapturedExprDecl(C, nullptr, nullptr, QualType(),

                                         /*TInfo=*/nullptr, SourceLocation());

}

SourceRange OMPCapturedExprDecl::getSourceRange() const {

  assert(hasInit());

  return SourceRange(getInit()->getBeginLoc(), getInit()->getEndLoc());

}