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//===- 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 *>());
}
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