ccls/src/messages/text_document_references.cc
2018-02-10 18:34:34 -08:00

94 lines
3.1 KiB
C++

#include "message_handler.h"
#include "query_utils.h"
#include "queue_manager.h"
#include <loguru.hpp>
namespace {
struct Ipc_TextDocumentReferences
: public RequestMessage<Ipc_TextDocumentReferences> {
const static IpcId kIpcId = IpcId::TextDocumentReferences;
struct lsReferenceContext {
// Include the declaration of the current symbol.
bool includeDeclaration;
};
struct Params {
lsTextDocumentIdentifier textDocument;
lsPosition position;
lsReferenceContext context;
};
Params params;
};
MAKE_REFLECT_STRUCT(Ipc_TextDocumentReferences::lsReferenceContext,
includeDeclaration);
MAKE_REFLECT_STRUCT(Ipc_TextDocumentReferences::Params,
textDocument,
position,
context);
MAKE_REFLECT_STRUCT(Ipc_TextDocumentReferences, id, params);
REGISTER_IPC_MESSAGE(Ipc_TextDocumentReferences);
struct Out_TextDocumentReferences
: public lsOutMessage<Out_TextDocumentReferences> {
lsRequestId id;
std::vector<lsLocationEx> result;
};
MAKE_REFLECT_STRUCT(Out_TextDocumentReferences, jsonrpc, id, result);
struct TextDocumentReferencesHandler
: BaseMessageHandler<Ipc_TextDocumentReferences> {
void Run(Ipc_TextDocumentReferences* request) override {
QueryFile* file;
if (!FindFileOrFail(db, project, request->id,
request->params.textDocument.uri.GetPath(), &file)) {
return;
}
WorkingFile* working_file =
working_files->GetFileByFilename(file->def->path);
Out_TextDocumentReferences out;
out.id = request->id;
for (const SymbolRef& sym :
FindSymbolsAtLocation(working_file, file, request->params.position)) {
// Found symbol. Return references.
std::vector<Use> uses = GetUsesOfSymbol(
db, sym, request->params.context.includeDeclaration);
out.result.reserve(uses.size());
for (Use use : uses) {
optional<lsLocationEx> ls_loc = GetLsLocationEx(
db, working_files, use, config->extension.referenceContainer);
if (ls_loc) {
out.result.push_back(*ls_loc);
}
}
break;
}
if (out.result.empty())
for (const IndexInclude& include : file->def->includes)
if (include.line == request->params.position.line) {
// |include| is the line the cursor is on.
for (QueryFile& file1 : db->files)
if (file1.def)
for (const IndexInclude& include1 : file1.def->includes)
if (include1.resolved_path == include.resolved_path) {
// Another file |file1| has the same include line.
lsLocationEx result;
result.uri = lsDocumentUri::FromPath(file1.def->path);
result.range.start.line = result.range.end.line =
include1.line;
out.result.push_back(std::move(result));
break;
}
break;
}
QueueManager::WriteStdout(IpcId::TextDocumentReferences, out);
}
};
REGISTER_MESSAGE_HANDLER(TextDocumentReferencesHandler);
} // namespace