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//===--- Index.cpp -----------------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
#include "Index.h"
#include "support/Logger.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/raw_ostream.h"
#include <limits>
namespace clang {
namespace clangd {
void SwapIndex::reset(std::unique_ptr<SymbolIndex> Index) {
// Keep the old index alive, so we don't destroy it under lock (may be slow).
std::shared_ptr<SymbolIndex> Pin;
{
std::lock_guard<std::mutex> Lock(Mutex);
Pin = std::move(this->Index);
this->Index = std::move(Index);
}
}
std::shared_ptr<SymbolIndex> SwapIndex::snapshot() const {
std::lock_guard<std::mutex> Lock(Mutex);
return Index;
}
bool fromJSON(const llvm::json::Value &Parameters, FuzzyFindRequest &Request,
llvm::json::Path P) {
llvm::json::ObjectMapper O(Parameters, P);
int64_t Limit;
bool OK =
O && O.map("Query", Request.Query) && O.map("Scopes", Request.Scopes) &&
O.map("AnyScope", Request.AnyScope) && O.map("Limit", Limit) &&
O.map("RestrictForCodeCompletion", Request.RestrictForCodeCompletion) &&
O.map("ProximityPaths", Request.ProximityPaths) &&
O.map("PreferredTypes", Request.PreferredTypes);
if (OK && Limit <= std::numeric_limits<uint32_t>::max())
Request.Limit = Limit;
return OK;
}
llvm::json::Value toJSON(const FuzzyFindRequest &Request) {
return llvm::json::Object{
{"Query", Request.Query},
{"Scopes", Request.Scopes},
{"AnyScope", Request.AnyScope},
{"Limit", Request.Limit},
{"RestrictForCodeCompletion", Request.RestrictForCodeCompletion},
{"ProximityPaths", Request.ProximityPaths},
{"PreferredTypes", Request.PreferredTypes},
};
}
bool SwapIndex::fuzzyFind(const FuzzyFindRequest &R,
llvm::function_ref<void(const Symbol &)> CB) const {
return snapshot()->fuzzyFind(R, CB);
}
void SwapIndex::lookup(const LookupRequest &R,
llvm::function_ref<void(const Symbol &)> CB) const {
return snapshot()->lookup(R, CB);
}
bool SwapIndex::refs(const RefsRequest &R,
llvm::function_ref<void(const Ref &)> CB) const {
return snapshot()->refs(R, CB);
}
void SwapIndex::relations(
const RelationsRequest &R,
llvm::function_ref<void(const SymbolID &, const Symbol &)> CB) const {
return snapshot()->relations(R, CB);
}
llvm::unique_function<IndexContents(llvm::StringRef) const>
SwapIndex::indexedFiles() const {
// The index snapshot should outlive this method return value.
auto SnapShot = snapshot();
auto IndexedFiles = SnapShot->indexedFiles();
return [KeepAlive{std::move(SnapShot)},
IndexContainsFile{std::move(IndexedFiles)}](llvm::StringRef File) {
return IndexContainsFile(File);
};
}
size_t SwapIndex::estimateMemoryUsage() const {
return snapshot()->estimateMemoryUsage();
}
} // namespace clangd
} // namespace clang