llvm-project/clang-tools-extra/clangd/FindSymbols.h

//===--- FindSymbols.h --------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
//
// Queries that provide a list of symbols matching a string.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_FINDSYMBOLS_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_FINDSYMBOLS_H

#include "Protocol.h"
#include "index/Symbol.h"
#include "llvm/ADT/StringRef.h"

namespace clang {
namespace clangd {
class ParsedAST;
class SymbolIndex;

/// Helper function for deriving an LSP Location from an index SymbolLocation.
llvm::Expected<Location> indexToLSPLocation(const SymbolLocation &Loc,
                                            llvm::StringRef TUPath);

/// Helper function for deriving an LSP Location for a Symbol.
llvm::Expected<Location> symbolToLocation(const Symbol &Sym,
                                          llvm::StringRef TUPath);

/// Searches for the symbols matching \p Query. The syntax of \p Query can be
/// the non-qualified name or fully qualified of a symbol. For example,
/// "vector" will match the symbol std::vector and "std::vector" would also
/// match it. Direct children of scopes (namespaces, etc) can be listed with a
/// trailing
/// "::". For example, "std::" will list all children of the std namespace and
/// "::" alone will list all children of the global namespace.
/// \p Limit limits the number of results returned (0 means no limit).
/// \p HintPath This is used when resolving URIs. If empty, URI resolution can
/// fail if a hint path is required for the scheme of a specific URI.
llvm::Expected<std::vector<SymbolInformation>>
getWorkspaceSymbols(llvm::StringRef Query, int Limit,
                    const SymbolIndex *const Index, llvm::StringRef HintPath);

/// Retrieves the symbols contained in the "main file" section of an AST in the
/// same order that they appear.
llvm::Expected<std::vector<DocumentSymbol>> getDocumentSymbols(ParsedAST &AST);

} // namespace clangd
} // namespace clang

#endif