1193326Sed//===--- DeclGroup.cpp - Classes for representing groups of Decls -*- C++ -*-==// 2193326Sed// 3193326Sed// The LLVM Compiler Infrastructure 4193326Sed// 5193326Sed// This file is distributed under the University of Illinois Open Source 6193326Sed// License. See LICENSE.TXT for details. 7193326Sed// 8193326Sed//===----------------------------------------------------------------------===// 9193326Sed// 10193326Sed// This file defines the DeclGroup and DeclGroupRef classes. 11193326Sed// 12193326Sed//===----------------------------------------------------------------------===// 13193326Sed 14193326Sed#include "clang/AST/DeclGroup.h" 15252723Sdim#include "clang/AST/ASTContext.h" 16193326Sed#include "clang/AST/Decl.h" 17193326Sed#include "llvm/Support/Allocator.h" 18193326Sedusing namespace clang; 19193326Sed 20193326SedDeclGroup* DeclGroup::Create(ASTContext &C, Decl **Decls, unsigned NumDecls) { 21193326Sed assert(NumDecls > 1 && "Invalid DeclGroup"); 22193326Sed unsigned Size = sizeof(DeclGroup) + sizeof(Decl*) * NumDecls; 23193326Sed void* Mem = C.Allocate(Size, llvm::AlignOf<DeclGroup>::Alignment); 24193326Sed new (Mem) DeclGroup(NumDecls, Decls); 25193326Sed return static_cast<DeclGroup*>(Mem); 26193326Sed} 27193326Sed 28193326SedDeclGroup::DeclGroup(unsigned numdecls, Decl** decls) : NumDecls(numdecls) { 29193326Sed assert(numdecls > 0); 30193326Sed assert(decls); 31193326Sed memcpy(this+1, decls, numdecls * sizeof(*decls)); 32193326Sed} 33