DeclOpenMP.cpp revision 263508 
1//===--- DeclOpenMP.cpp - Declaration OpenMP AST Node Implementation ------===//
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/// \file
10/// \brief This file implements OMPThreadPrivateDecl class.
11///
12//===----------------------------------------------------------------------===//
13
14#include "clang/AST/ASTContext.h"
15#include "clang/AST/DeclBase.h"
16#include "clang/AST/Decl.h"
17#include "clang/AST/DeclOpenMP.h"
18#include "clang/AST/Expr.h"
19
20using namespace clang;
21
22//===----------------------------------------------------------------------===//
23// OMPThreadPrivateDecl Implementation.
24//===----------------------------------------------------------------------===//
25
26void OMPThreadPrivateDecl::anchor() { }
27
28OMPThreadPrivateDecl *OMPThreadPrivateDecl::Create(ASTContext &C,
29                                                   DeclContext *DC,
30                                                   SourceLocation L,
31                                                   ArrayRef<Expr *> VL) {
32  unsigned Size = sizeof(OMPThreadPrivateDecl) +
33                  (VL.size() * sizeof(Expr *));
34
35  void *Mem = C.Allocate(Size, llvm::alignOf<OMPThreadPrivateDecl>());
36  OMPThreadPrivateDecl *D = new (Mem) OMPThreadPrivateDecl(OMPThreadPrivate,
37                                                           DC, L);
38  D->NumVars = VL.size();
39  D->setVars(VL);
40  return D;
41}
42
43OMPThreadPrivateDecl *OMPThreadPrivateDecl::CreateDeserialized(ASTContext &C,
44                                                               unsigned ID,
45                                                               unsigned N) {
46  unsigned Size = sizeof(OMPThreadPrivateDecl) + (N * sizeof(Expr *));
47
48  void *Mem = AllocateDeserializedDecl(C, ID, Size);
49  OMPThreadPrivateDecl *D = new (Mem) OMPThreadPrivateDecl(OMPThreadPrivate,
50                                                           0, SourceLocation());
51  D->NumVars = N;
52  return D;
53}
54
55void OMPThreadPrivateDecl::setVars(ArrayRef<Expr *> VL) {
56  assert(VL.size() == NumVars &&
57         "Number of variables is not the same as the preallocated buffer");
58  Expr **Vars = reinterpret_cast<Expr **>(this + 1);
59  std::copy(VL.begin(), VL.end(), Vars);
60}
61
62