ccls/src/messages/text_document_rename.cc
2018-01-19 00:56:09 -08:00

111 lines
3.5 KiB
C++

#include "message_handler.h"
#include "query_utils.h"
#include "queue_manager.h"
namespace {
lsWorkspaceEdit BuildWorkspaceEdit(QueryDatabase* db,
WorkingFiles* working_files,
const std::vector<QueryLocation>& locations,
const std::string& new_text) {
std::unordered_map<QueryFileId, lsTextDocumentEdit> path_to_edit;
for (auto& location : locations) {
optional<lsLocation> ls_location =
GetLsLocation(db, working_files, location);
if (!ls_location)
continue;
if (path_to_edit.find(location.path) == path_to_edit.end()) {
path_to_edit[location.path] = lsTextDocumentEdit();
QueryFile& file = db->files[location.path.id];
if (!file.def)
continue;
const std::string& path = file.def->path;
path_to_edit[location.path].textDocument.uri =
lsDocumentUri::FromPath(path);
WorkingFile* working_file = working_files->GetFileByFilename(path);
if (working_file)
path_to_edit[location.path].textDocument.version =
working_file->version;
}
lsTextEdit edit;
edit.range = ls_location->range;
edit.newText = new_text;
// vscode complains if we submit overlapping text edits.
auto& edits = path_to_edit[location.path].edits;
if (std::find(edits.begin(), edits.end(), edit) == edits.end())
edits.push_back(edit);
}
lsWorkspaceEdit edit;
for (const auto& changes : path_to_edit)
edit.documentChanges.push_back(changes.second);
return edit;
}
struct Ipc_TextDocumentRename : public RequestMessage<Ipc_TextDocumentRename> {
const static IpcId kIpcId = IpcId::TextDocumentRename;
struct Params {
// The document to format.
lsTextDocumentIdentifier textDocument;
// The position at which this request was sent.
lsPosition position;
// The new name of the symbol. If the given name is not valid the
// request must return a [ResponseError](#ResponseError) with an
// appropriate message set.
std::string newName;
};
Params params;
};
MAKE_REFLECT_STRUCT(Ipc_TextDocumentRename::Params,
textDocument,
position,
newName);
MAKE_REFLECT_STRUCT(Ipc_TextDocumentRename, id, params);
REGISTER_IPC_MESSAGE(Ipc_TextDocumentRename);
struct Out_TextDocumentRename : public lsOutMessage<Out_TextDocumentRename> {
lsRequestId id;
lsWorkspaceEdit result;
};
MAKE_REFLECT_STRUCT(Out_TextDocumentRename, jsonrpc, id, result);
struct TextDocumentRenameHandler : BaseMessageHandler<Ipc_TextDocumentRename> {
void Run(Ipc_TextDocumentRename* request) override {
QueryFileId file_id;
QueryFile* file;
if (!FindFileOrFail(db, project, request->id,
request->params.textDocument.uri.GetPath(), &file,
&file_id)) {
return;
}
WorkingFile* working_file =
working_files->GetFileByFilename(file->def->path);
Out_TextDocumentRename out;
out.id = request->id;
for (const SymbolRef& ref :
FindSymbolsAtLocation(working_file, file, request->params.position)) {
// Found symbol. Return references to rename.
std::vector<QueryLocation> uses = GetUsesOfSymbol(db, ref.idx);
out.result =
BuildWorkspaceEdit(db, working_files, uses, request->params.newName);
break;
}
QueueManager::WriteStdout(IpcId::TextDocumentRename, out);
}
};
REGISTER_MESSAGE_HANDLER(TextDocumentRenameHandler);
} // namespace