1//===--- DeclGroup.cpp - Classes for representing groups of Decls -*- C++ -*-==//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines the DeclGroup and DeclGroupRef classes.
11//
12//===----------------------------------------------------------------------===//
13
14#include "clang/AST/DeclGroup.h"
15#include "clang/AST/Decl.h"
16#include "clang/AST/ASTContext.h"
17#include "llvm/Support/Allocator.h"
18using namespace clang;
19
20DeclGroup* DeclGroup::Create(ASTContext &C, Decl **Decls, unsigned NumDecls) {
21 assert(NumDecls > 1 && "Invalid DeclGroup");
22 unsigned Size = sizeof(DeclGroup) + sizeof(Decl*) * NumDecls;
23 void* Mem = C.Allocate(Size, llvm::AlignOf<DeclGroup>::Alignment);
24 new (Mem) DeclGroup(NumDecls, Decls);
25 return static_cast<DeclGroup*>(Mem);
26}
27
28DeclGroup::DeclGroup(unsigned numdecls, Decl** decls) : NumDecls(numdecls) {
29 assert(numdecls > 0);
30 assert(decls);
31 memcpy(this+1, decls, numdecls * sizeof(*decls));
32}
33
34void DeclGroup::Destroy(ASTContext& C) {
|