clang/Sema/Redeclaration.h

0001 //===- Redeclaration.h - Redeclarations--------------------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 //  This file defines RedeclarationKind enum.
0010 //
0011 //===----------------------------------------------------------------------===//
0012
0013 #ifndef LLVM_CLANG_SEMA_REDECLARATION_H
0014 #define LLVM_CLANG_SEMA_REDECLARATION_H
0015
0016 /// Specifies whether (or how) name lookup is being performed for a
0017 /// redeclaration (vs. a reference).
0018 enum class RedeclarationKind {
0019   /// The lookup is a reference to this name that is not for the
0020   /// purpose of redeclaring the name.
0021   NotForRedeclaration = 0,
0022   /// The lookup results will be used for redeclaration of a name,
0023   /// if an entity by that name already exists and is visible.
0024   ForVisibleRedeclaration,
0025   /// The lookup results will be used for redeclaration of a name
0026   /// with external linkage; non-visible lookup results with external linkage
0027   /// may also be found.
0028   ForExternalRedeclaration
0029 };
0030
0031 #endif // LLVM_CLANG_SEMA_REDECLARATION_H