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//===--- 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) {
OMPThreadPrivateDecl *D =
new (C, DC, additionalSizeToAlloc<Expr *>(VL.size()))
OMPThreadPrivateDecl(OMPThreadPrivate, DC, L);
D->NumVars = VL.size();
D->setVars(VL);
return D;
}
OMPThreadPrivateDecl *OMPThreadPrivateDecl::CreateDeserialized(ASTContext &C,
unsigned ID,
unsigned N) {
OMPThreadPrivateDecl *D = new (C, ID, additionalSizeToAlloc<Expr *>(N))
OMPThreadPrivateDecl(OMPThreadPrivate, nullptr, SourceLocation());
D->NumVars = N;
return D;
}
void OMPThreadPrivateDecl::setVars(ArrayRef<Expr *> VL) {
assert(VL.size() == NumVars &&
"Number of variables is not the same as the preallocated buffer");
std::uninitialized_copy(VL.begin(), VL.end(), getTrailingObjects<Expr *>());
}
//===----------------------------------------------------------------------===//
// OMPAllocateDecl Implementation.
//===----------------------------------------------------------------------===//
void OMPAllocateDecl::anchor() { }
OMPAllocateDecl *OMPAllocateDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation L, ArrayRef<Expr *> VL,
ArrayRef<OMPClause *> CL) {
OMPAllocateDecl *D = new (
C, DC, additionalSizeToAlloc<Expr *, OMPClause *>(VL.size(), CL.size()))
OMPAllocateDecl(OMPAllocate, DC, L);
D->NumVars = VL.size();
D->setVars(VL);
D->NumClauses = CL.size();
D->setClauses(CL);
return D;
}
OMPAllocateDecl *OMPAllocateDecl::CreateDeserialized(ASTContext &C, unsigned ID,
unsigned NVars,
unsigned NClauses) {
OMPAllocateDecl *D =
new (C, ID, additionalSizeToAlloc<Expr *, OMPClause *>(NVars, NClauses))
OMPAllocateDecl(OMPAllocate, nullptr, SourceLocation());
D->NumVars = NVars;
D->NumClauses = NClauses;
return D;
}
void OMPAllocateDecl::setVars(ArrayRef<Expr *> VL) {
assert(VL.size() == NumVars &&
"Number of variables is not the same as the preallocated buffer");
std::uninitialized_copy(VL.begin(), VL.end(), getTrailingObjects<Expr *>());
}
void OMPAllocateDecl::setClauses(ArrayRef<OMPClause *> CL) {
assert(CL.size() == NumClauses &&
"Number of variables is not the same as the preallocated buffer");
std::uninitialized_copy(CL.begin(), CL.end(),
getTrailingObjects<OMPClause *>());
}
//===----------------------------------------------------------------------===//
// OMPRequiresDecl Implementation.
//===----------------------------------------------------------------------===//
void OMPRequiresDecl::anchor() {}
OMPRequiresDecl *OMPRequiresDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation L,
ArrayRef<OMPClause *> CL) {
OMPRequiresDecl *D =
new (C, DC, additionalSizeToAlloc<OMPClause *>(CL.size()))
OMPRequiresDecl(OMPRequires, DC, L);
D->NumClauses = CL.size();
D->setClauses(CL);
return D;
}
OMPRequiresDecl *OMPRequiresDecl::CreateDeserialized(ASTContext &C, unsigned ID,
unsigned N) {
OMPRequiresDecl *D = new (C, ID, additionalSizeToAlloc<OMPClause *>(N))
OMPRequiresDecl(OMPRequires, nullptr, SourceLocation());
D->NumClauses = N;
return D;
}
void OMPRequiresDecl::setClauses(ArrayRef<OMPClause *> CL) {
assert(CL.size() == NumClauses &&
"Number of clauses is not the same as the preallocated buffer");
std::uninitialized_copy(CL.begin(), CL.end(),
getTrailingObjects<OMPClause *>());
}
//===----------------------------------------------------------------------===//
// 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, CallInit);
}
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,
OMPDeclareMapperDecl *PrevDeclInScope) {
return new (C, DC) OMPDeclareMapperDecl(OMPDeclareMapper, DC, L, Name, T,
VarName, PrevDeclInScope);
}
OMPDeclareMapperDecl *OMPDeclareMapperDecl::CreateDeserialized(ASTContext &C,
unsigned ID,
unsigned N) {
auto *D = new (C, ID)
OMPDeclareMapperDecl(OMPDeclareMapper, /*DC=*/nullptr, SourceLocation(),
DeclarationName(), QualType(), DeclarationName(),
/*PrevDeclInScope=*/nullptr);
if (N) {
auto **ClauseStorage = C.Allocate<OMPClause *>(N);
D->Clauses = llvm::makeMutableArrayRef<OMPClause *>(ClauseStorage, N);
}
return D;
}
/// Creates an array of clauses to this mapper declaration and intializes
/// them. The space used to store clause pointers is dynamically allocated,
/// because we do not know the number of clauses when creating
/// OMPDeclareMapperDecl
void OMPDeclareMapperDecl::CreateClauses(ASTContext &C,
ArrayRef<OMPClause *> CL) {
assert(Clauses.empty() && "Number of clauses should be 0 on initialization");
size_t NumClauses = CL.size();
if (NumClauses) {
auto **ClauseStorage = C.Allocate<OMPClause *>(NumClauses);
Clauses = llvm::makeMutableArrayRef<OMPClause *>(ClauseStorage, NumClauses);
setClauses(CL);
}
}
void OMPDeclareMapperDecl::setClauses(ArrayRef<OMPClause *> CL) {
assert(CL.size() == Clauses.size() &&
"Number of clauses is not the same as the preallocated buffer");
std::uninitialized_copy(CL.begin(), CL.end(), Clauses.data());
}
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());
}
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