| //===-- UnresolvedSet.h - Unresolved sets of declarations ------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the WeakInfo class, which is used to store |
| // information about the target of a #pragma weak directive. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_SEMA_WEAK_H |
| #define LLVM_CLANG_SEMA_WEAK_H |
| |
| #include "clang/Basic/SourceLocation.h" |
| |
| namespace clang { |
| |
| class IdentifierInfo; |
| |
| /// Captures information about a \#pragma weak directive. |
| class WeakInfo { |
| IdentifierInfo *alias; // alias (optional) |
| SourceLocation loc; // for diagnostics |
| bool used; // identifier later declared? |
| public: |
| WeakInfo() |
| : alias(nullptr), loc(SourceLocation()), used(false) {} |
| WeakInfo(IdentifierInfo *Alias, SourceLocation Loc) |
| : alias(Alias), loc(Loc), used(false) {} |
| inline IdentifierInfo * getAlias() const { return alias; } |
| inline SourceLocation getLocation() const { return loc; } |
| void setUsed(bool Used=true) { used = Used; } |
| inline bool getUsed() { return used; } |
| bool operator==(WeakInfo RHS) const { |
| return alias == RHS.getAlias() && loc == RHS.getLocation(); |
| } |
| bool operator!=(WeakInfo RHS) const { return !(*this == RHS); } |
| }; |
| |
| } // end namespace clang |
| |
| #endif // LLVM_CLANG_SEMA_WEAK_H |
