clang  3.7.0
DeclOpenMP.cpp
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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/Decl.h"
16 #include "clang/AST/DeclBase.h"
17 #include "clang/AST/DeclOpenMP.h"
18 #include "clang/AST/Expr.h"
19 
20 using namespace clang;
21 
22 //===----------------------------------------------------------------------===//
23 // OMPThreadPrivateDecl Implementation.
24 //===----------------------------------------------------------------------===//
25 
26 void OMPThreadPrivateDecl::anchor() { }
27 
29  DeclContext *DC,
31  ArrayRef<Expr *> VL) {
32  OMPThreadPrivateDecl *D = new (C, DC, VL.size() * sizeof(Expr *))
33  OMPThreadPrivateDecl(OMPThreadPrivate, DC, L);
34  D->NumVars = VL.size();
35  D->setVars(VL);
36  return D;
37 }
38 
40  unsigned ID,
41  unsigned N) {
42  OMPThreadPrivateDecl *D = new (C, ID, N * sizeof(Expr *))
43  OMPThreadPrivateDecl(OMPThreadPrivate, nullptr, SourceLocation());
44  D->NumVars = N;
45  return D;
46 }
47 
48 void OMPThreadPrivateDecl::setVars(ArrayRef<Expr *> VL) {
49  assert(VL.size() == NumVars &&
50  "Number of variables is not the same as the preallocated buffer");
51  Expr **Vars = reinterpret_cast<Expr **>(this + 1);
52  std::copy(VL.begin(), VL.end(), Vars);
53 }
54 
Defines the clang::ASTContext interface.
static OMPThreadPrivateDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned N)
Definition: DeclOpenMP.cpp:39
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:89
static OMPThreadPrivateDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, ArrayRef< Expr * > VL)
Definition: DeclOpenMP.cpp:28
ID
Defines the set of possible language-specific address spaces.
Definition: AddressSpaces.h:27
Encodes a location in the source. The SourceManager can decode this to get at the full include stack...
This file defines OpenMP nodes for declarative directives.
This represents '#pragma omp threadprivate ...' directive. For example, in the following, both 'a' and 'A::b' are threadprivate:
Definition: DeclOpenMP.h:36