1 //===--- Attributes.h - Attributes header -----------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_CLANG_BASIC_ATTRIBUTES_H
10 #define LLVM_CLANG_BASIC_ATTRIBUTES_H
11 
12 #include "clang/Basic/LangOptions.h"
13 #include "clang/Basic/TargetInfo.h"
14 
15 namespace clang {
16 
17 class IdentifierInfo;
18 
19 enum class AttrSyntax {
20   /// Is the identifier known as a GNU-style attribute?
21   GNU,
22   /// Is the identifier known as a __declspec-style attribute?
23   Declspec,
24   /// Is the identifier known as a [] Microsoft-style attribute?
25   Microsoft,
26   // Is the identifier known as a C++-style attribute?
27   CXX,
28   // Is the identifier known as a C-style attribute?
29   C,
30   // Is the identifier known as a pragma attribute?
31   Pragma
32 };
33 
34 /// Return the version number associated with the attribute if we
35 /// recognize and implement the attribute specified by the given information.
36 int hasAttribute(AttrSyntax Syntax, const IdentifierInfo *Scope,
37                  const IdentifierInfo *Attr, const TargetInfo &Target,
38                  const LangOptions &LangOpts);
39 
40 } // end namespace clang
41 
42 #endif // LLVM_CLANG_BASIC_ATTRIBUTES_H
43