//===- DeclGroup.cpp - Classes for representing groups of Decls -----------===//

//

// 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

//

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

//

//  This file defines the DeclGroup and DeclGroupRef classes.

//

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

#include "clang/AST/DeclGroup.h"

#include "clang/AST/ASTContext.h"

#include <cassert>

#include <memory>

using namespace clang;

DeclGroup* DeclGroup::Create(ASTContext &C, Decl **Decls, unsigned NumDecls) {

  assert(NumDecls > 1 && "Invalid DeclGroup");

  unsigned Size = totalSizeToAlloc<Decl *>(NumDecls);

  void *Mem = C.Allocate(Size, alignof(DeclGroup));

  new (Mem) DeclGroup(NumDecls, Decls);

  return static_cast<DeclGroup*>(Mem);

}

DeclGroup::DeclGroup(unsigned numdecls, Decl** decls) : NumDecls(numdecls) {

  assert(numdecls > 0);

  assert(decls);

  std::uninitialized_copy(decls, decls + numdecls,

                          getTrailingObjects<Decl *>());

}