forked from OSchip/llvm-project
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
//===--- DeclGroup.cpp - Classes for representing groups of Decls -*- C++ -*-==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the DeclGroup and DeclGroupRef classes.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/DeclGroup.h"
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#include "clang/AST/Decl.h"
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#include "clang/AST/ASTContext.h"
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#include "llvm/Support/Allocator.h"
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using namespace clang;
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DeclGroup* DeclGroup::Create(ASTContext &C, Decl **Decls, unsigned NumDecls) {
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assert(NumDecls > 1 && "Invalid DeclGroup");
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unsigned Size = sizeof(DeclGroup) + sizeof(Decl*) * NumDecls;
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void* Mem = C.Allocate(Size, llvm::AlignOf<DeclGroup>::Alignment);
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new (Mem) DeclGroup(NumDecls, Decls);
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return static_cast<DeclGroup*>(Mem);
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}
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DeclGroup::DeclGroup(unsigned numdecls, Decl** decls) : NumDecls(numdecls) {
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assert(numdecls > 0);
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assert(decls);
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memcpy(this+1, decls, numdecls * sizeof(*decls));
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}
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void DeclGroup::Destroy(ASTContext& C) {
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this->~DeclGroup();
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C.Deallocate((void*) this);
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}
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