ccls/src/messages/cquery_vars.cc

52 lines
1.5 KiB
C++

#include "message_handler.h"
#include "query_utils.h"
#include "queue_manager.h"
namespace {
struct Ipc_CqueryVars : public RequestMessage<Ipc_CqueryVars> {
const static IpcId kIpcId = IpcId::CqueryVars;
lsTextDocumentPositionParams params;
};
MAKE_REFLECT_STRUCT(Ipc_CqueryVars, id, params);
REGISTER_IPC_MESSAGE(Ipc_CqueryVars);
struct CqueryVarsHandler : BaseMessageHandler<Ipc_CqueryVars> {
void Run(Ipc_CqueryVars* 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_LocationList out;
out.id = request->id;
for (SymbolRef sym :
FindSymbolsAtLocation(working_file, file, request->params.position)) {
Id<void> id = sym.id;
switch (sym.kind) {
default:
break;
case SymbolKind::Var: {
QueryVar& var = db->GetVar(sym);
if (!var.def || !var.def->type)
continue;
id = *var.def->type;
}
// fallthrough
case SymbolKind::Type: {
QueryType& type = db->types[id.id];
out.result =
GetLsLocations(db, working_files, ToUses(db, type.instances));
break;
}
}
}
QueueManager::WriteStdout(IpcId::CqueryVars, out);
}
};
REGISTER_MESSAGE_HANDLER(CqueryVarsHandler);
} // namespace