llvm/clang/include/clang/Sema/Lookup.h

//===- Lookup.h - Classes for name lookup -----------------------*- 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 LookupResult class, which is integral to
// Sema's name-lookup subsystem.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_SEMA_LOOKUP_H
#define LLVM_CLANG_SEMA_LOOKUP_H

#include "clang/AST/Decl.h"
#include "clang/AST/DeclBase.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclarationName.h"
#include "clang/AST/Type.h"
#include "clang/AST/UnresolvedSet.h"
#include "clang/Basic/LLVM.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/Specifiers.h"
#include "clang/Sema/Sema.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/Casting.h"
#include <cassert>
#include <optional>
#include <utility>

namespace clang {

class CXXBasePaths;

/// Represents the results of name lookup.
///
/// An instance of the LookupResult class captures the results of a
/// single name lookup, which can return no result (nothing found),
/// a single declaration, a set of overloaded functions, or an
/// ambiguity. Use the getKind() method to determine which of these
/// results occurred for a given lookup.
class LookupResult { … };

/// Consumes visible declarations found when searching for
/// all visible names within a given scope or context.
///
/// This abstract class is meant to be subclassed by clients of \c
/// Sema::LookupVisibleDecls(), each of which should override the \c
/// FoundDecl() function to process declarations as they are found.
class VisibleDeclConsumer { … };

/// A class for storing results from argument-dependent lookup.
class ADLResult { … };

} // namespace clang

#endif // LLVM_CLANG_SEMA_LOOKUP_H