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//===--- OpenMP.h - Classes for representing OpenMP directives ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file defines OpenMP nodes.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_AST_OPENMP_H
#define LLVM_CLANG_AST_OPENMP_H
#include "clang/AST/DeclBase.h"
#include "llvm/ADT/ArrayRef.h"
namespace clang {
class DeclRefExpr;
/// \brief This represents '#pragma omp threadprivate ...' directive.
/// For example, in the following, both 'a' and 'A::b' are threadprivate:
///
/// \code
/// int a;
/// #pragma omp threadprivate(a)
/// struct A {
/// static int b;
/// #pragma omp threadprivate(b)
/// };
/// \endcode
///
class OMPThreadPrivateDecl : public Decl {
friend class ASTDeclReader;
unsigned NumVars;
virtual void anchor();
OMPThreadPrivateDecl(Kind DK, DeclContext *DC, SourceLocation L) :
Decl(DK, DC, L), NumVars(0) { }
ArrayRef<const DeclRefExpr *> getVars() const {
return ArrayRef<const DeclRefExpr *>(
reinterpret_cast<const DeclRefExpr * const *>(this + 1),
NumVars);
}
llvm::MutableArrayRef<DeclRefExpr *> getVars() {
return llvm::MutableArrayRef<DeclRefExpr *>(
reinterpret_cast<DeclRefExpr **>(this + 1),
NumVars);
}
void setVars(ArrayRef<DeclRefExpr *> VL);
public:
static OMPThreadPrivateDecl *Create(ASTContext &C, DeclContext *DC,
SourceLocation L,
ArrayRef<DeclRefExpr *> VL);
static OMPThreadPrivateDecl *CreateDeserialized(ASTContext &C,
unsigned ID, unsigned N);
typedef llvm::MutableArrayRef<DeclRefExpr *>::iterator varlist_iterator;
typedef ArrayRef<const DeclRefExpr *>::iterator varlist_const_iterator;
unsigned varlist_size() const { return NumVars; }
bool varlist_empty() const { return NumVars == 0; }
varlist_iterator varlist_begin() { return getVars().begin(); }
varlist_iterator varlist_end() { return getVars().end(); }
varlist_const_iterator varlist_begin() const { return getVars().begin(); }
varlist_const_iterator varlist_end() const { return getVars().end(); }
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
static bool classofKind(Kind K) { return K == OMPThreadPrivate; }
};
} // end namespace clang
#endif
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