diff options
Diffstat (limited to 'clang/lib/AST/DeclGroup.cpp')
-rw-r--r-- | clang/lib/AST/DeclGroup.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/clang/lib/AST/DeclGroup.cpp b/clang/lib/AST/DeclGroup.cpp new file mode 100644 index 0000000..036acc2 --- /dev/null +++ b/clang/lib/AST/DeclGroup.cpp @@ -0,0 +1,32 @@ +//===--- DeclGroup.cpp - Classes for representing groups of Decls -*- C++ -*-==// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines the DeclGroup and DeclGroupRef classes. +// +//===----------------------------------------------------------------------===// + +#include "clang/AST/DeclGroup.h" +#include "clang/AST/Decl.h" +#include "clang/AST/ASTContext.h" +#include "llvm/Support/Allocator.h" +using namespace clang; + +DeclGroup* DeclGroup::Create(ASTContext &C, Decl **Decls, unsigned NumDecls) { + assert(NumDecls > 1 && "Invalid DeclGroup"); + unsigned Size = sizeof(DeclGroup) + sizeof(Decl*) * NumDecls; + void* Mem = C.Allocate(Size, llvm::AlignOf<DeclGroup>::Alignment); + new (Mem) DeclGroup(NumDecls, Decls); + return static_cast<DeclGroup*>(Mem); +} + +DeclGroup::DeclGroup(unsigned numdecls, Decl** decls) : NumDecls(numdecls) { + assert(numdecls > 0); + assert(decls); + memcpy(this+1, decls, numdecls * sizeof(*decls)); +} |