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jucipp/src/source_language_protocol.cc

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#include "source_language_protocol.h"
#include "filesystem.h"
#include "info.h"
#include "project.h"
#include "selection_dialog.h"
#include "terminal.h"
#ifdef JUCI_ENABLE_DEBUG
#include "debug_lldb.h"
#endif
#include "menu.h"
#include <future>
#include <limits>
#include <regex>
const bool output_messages_and_errors = false;
LanguageProtocol::Client::Client(std::string root_uri_, std::string language_id_) : root_uri(std::move(root_uri_)), language_id(std::move(language_id_)) {
process = std::make_unique<TinyProcessLib::Process>(language_id + "-language-server", root_uri, [this](const char *bytes, size_t n) {
server_message_stream.write(bytes, n);
parse_server_message();
}, [](const char *bytes, size_t n) {
std::cerr.write(bytes, n);
}, true, 1048576);
}
std::shared_ptr<LanguageProtocol::Client> LanguageProtocol::Client::get(const boost::filesystem::path &file_path, const std::string &language_id) {
std::string root_uri;
auto build = Project::Build::create(file_path);
if(!build->project_path.empty())
root_uri = build->project_path.string();
else
root_uri = file_path.parent_path().string();
auto cache_id = root_uri + '|' + language_id;
static std::unordered_map<std::string, std::weak_ptr<Client>> cache;
static std::mutex mutex;
std::lock_guard<std::mutex> lock(mutex);
auto it = cache.find(cache_id);
if(it == cache.end())
it = cache.emplace(cache_id, std::weak_ptr<Client>()).first;
auto instance = it->second.lock();
if(!instance)
it->second = instance = std::shared_ptr<Client>(new Client(root_uri, language_id), [](Client *client_ptr) {
std::thread delete_thread([client_ptr] {
delete client_ptr;
});
delete_thread.detach();
});
return instance;
}
LanguageProtocol::Client::~Client() {
std::promise<void> result_processed;
write_request(nullptr, "shutdown", "", [this, &result_processed](const boost::property_tree::ptree &result, bool error) {
if(!error)
this->write_notification("exit", "");
result_processed.set_value();
});
result_processed.get_future().get();
std::unique_lock<std::mutex> lock(timeout_threads_mutex);
for(auto &thread : timeout_threads)
thread.join();
int exit_status = -1;
for(size_t c = 0; c < 20; ++c) {
std::this_thread::sleep_for(std::chrono::milliseconds(500));
if(process->try_get_exit_status(exit_status))
break;
}
if(output_messages_and_errors)
std::cout << "Language server exit status: " << exit_status << std::endl;
if(exit_status == -1)
process->kill();
}
LanguageProtocol::Capabilities LanguageProtocol::Client::initialize(Source::LanguageProtocolView *view) {
if(view) {
std::unique_lock<std::mutex> lock(views_mutex);
views.emplace(view);
}
std::lock_guard<std::mutex> lock(initialize_mutex);
if(initialized)
return capabilities;
std::promise<void> result_processed;
write_request(nullptr, "initialize", "\"processId\":" + std::to_string(process->get_id()) + R"(,"rootUri":"file://)" + root_uri + R"(","capabilities":{"workspace":{"didChangeConfiguration":{"dynamicRegistration":true},"didChangeWatchedFiles":{"dynamicRegistration":true},"symbol":{"dynamicRegistration":true},"executeCommand":{"dynamicRegistration":true}},"textDocument":{"synchronization":{"dynamicRegistration":true,"willSave":true,"willSaveWaitUntil":true,"didSave":true},"completion":{"dynamicRegistration":true,"completionItem":{"snippetSupport":true}},"hover":{"dynamicRegistration":true},"signatureHelp":{"dynamicRegistration":true},"definition":{"dynamicRegistration":true},"references":{"dynamicRegistration":true},"documentHighlight":{"dynamicRegistration":true},"documentSymbol":{"dynamicRegistration":true},"codeAction":{"dynamicRegistration":true},"codeLens":{"dynamicRegistration":true},"formatting":{"dynamicRegistration":true},"rangeFormatting":{"dynamicRegistration":true},"onTypeFormatting":{"dynamicRegistration":true},"rename":{"dynamicRegistration":true},"documentLink":{"dynamicRegistration":true}}},"initializationOptions":{"omitInitBuild":true},"trace":"off")", [this, &result_processed](const boost::property_tree::ptree &result, bool error) {
if(!error) {
auto capabilities_pt = result.find("capabilities");
if(capabilities_pt != result.not_found()) {
capabilities.text_document_sync = static_cast<LanguageProtocol::Capabilities::TextDocumentSync>(capabilities_pt->second.get<unsigned>("textDocumentSync", 0));
capabilities.hover = capabilities_pt->second.get<bool>("hoverProvider", false);
capabilities.completion = capabilities_pt->second.find("completionProvider") != capabilities_pt->second.not_found() ? true : false;
capabilities.definition = capabilities_pt->second.get<bool>("definitionProvider", false);
capabilities.references = capabilities_pt->second.get<bool>("referencesProvider", false);
capabilities.document_highlight = capabilities_pt->second.get<bool>("documentHighlightProvider", false);
capabilities.workspace_symbol = capabilities_pt->second.get<bool>("workspaceSymbolProvider", false);
capabilities.document_symbol = capabilities_pt->second.get<bool>("documentSymbolProvider", false);
capabilities.document_formatting = capabilities_pt->second.get<bool>("documentFormattingProvider", false);
capabilities.document_range_formatting = capabilities_pt->second.get<bool>("documentRangeFormattingProvider", false);
capabilities.rename = capabilities_pt->second.get<bool>("renameProvider", false);
}
write_notification("initialized", "");
if(language_id == "rust")
write_notification("workspace/didChangeConfiguration", R"("settings":{"rust":{"sysroot":null,"target":null,"rustflags":null,"clear_env_rust_log":true,"build_lib":null,"build_bin":null,"cfg_test":false,"unstable_features":false,"wait_to_build":500,"show_warnings":true,"goto_def_racer_fallback":false,"use_crate_blacklist":true,"build_on_save":false,"workspace_mode":true,"analyze_package":null,"features":[],"all_features":false,"no_default_features":false}})");
}
result_processed.set_value();
});
result_processed.get_future().get();
initialized = true;
return capabilities;
}
void LanguageProtocol::Client::close(Source::LanguageProtocolView *view) {
{
std::unique_lock<std::mutex> lock(views_mutex);
auto it = views.find(view);
if(it != views.end())
views.erase(it);
}
std::unique_lock<std::mutex> lock(read_write_mutex);
for(auto it = handlers.begin(); it != handlers.end();) {
if(it->second.first == view)
it = handlers.erase(it);
else
it++;
}
}
void LanguageProtocol::Client::parse_server_message() {
if(!header_read) {
server_message_size = static_cast<size_t>(-1);
server_message_stream.seekg(0, std::ios::beg);
std::string line;
while(!header_read && std::getline(server_message_stream, line)) {
if(!line.empty()) {
if(line.back() == '\r')
line.pop_back();
if(line.compare(0, 16, "Content-Length: ") == 0) {
try {
server_message_size = static_cast<size_t>(std::stoul(line.substr(16)));
}
catch(...) {
}
}
}
if(line.empty() && server_message_size != static_cast<size_t>(-1)) {
server_message_content_pos = server_message_stream.tellg();
server_message_size += server_message_content_pos;
header_read = true;
}
}
}
if(header_read) {
server_message_stream.seekg(0, std::ios::end);
size_t read_size = server_message_stream.tellg();
std::stringstream tmp;
if(read_size >= server_message_size) {
if(read_size > server_message_size) {
server_message_stream.seekg(server_message_size, std::ios::beg);
server_message_stream.seekp(server_message_size, std::ios::beg);
for(size_t c = server_message_size; c < read_size; ++c) {
tmp.put(server_message_stream.get());
server_message_stream.put(' ');
}
}
server_message_stream.seekg(server_message_content_pos, std::ios::beg);
boost::property_tree::ptree pt;
boost::property_tree::read_json(server_message_stream, pt);
if(output_messages_and_errors) {
std::cout << "language server: ";
boost::property_tree::write_json(std::cout, pt);
}
auto message_id = pt.get<size_t>("id", 0);
auto result_it = pt.find("result");
auto error_it = pt.find("error");
{
std::unique_lock<std::mutex> lock(read_write_mutex);
if(result_it != pt.not_found()) {
if(message_id) {
auto id_it = handlers.find(message_id);
if(id_it != handlers.end()) {
auto function = std::move(id_it->second.second);
handlers.erase(id_it->first);
lock.unlock();
function(result_it->second, false);
lock.lock();
}
}
}
else if(error_it != pt.not_found()) {
if(!output_messages_and_errors)
boost::property_tree::write_json(std::cerr, pt);
if(message_id) {
auto id_it = handlers.find(message_id);
if(id_it != handlers.end()) {
auto function = std::move(id_it->second.second);
handlers.erase(id_it->first);
lock.unlock();
function(result_it->second, true);
lock.lock();
}
}
}
else {
auto method_it = pt.find("method");
if(method_it != pt.not_found()) {
auto params_it = pt.find("params");
if(params_it != pt.not_found()) {
lock.unlock();
handle_server_request(method_it->second.get_value<std::string>(""), params_it->second);
lock.lock();
}
}
}
}
server_message_stream = std::stringstream();
header_read = false;
server_message_size = static_cast<size_t>(-1);
tmp.seekg(0, std::ios::end);
if(tmp.tellg() > 0) {
tmp.seekg(0, std::ios::beg);
server_message_stream << tmp.rdbuf();
parse_server_message();
}
}
}
}
void LanguageProtocol::Client::write_request(Source::LanguageProtocolView *view, const std::string &method, const std::string &params, std::function<void(const boost::property_tree::ptree &, bool error)> &&function) {
std::unique_lock<std::mutex> lock(read_write_mutex);
if(function) {
handlers.emplace(message_id, std::make_pair(view, std::move(function)));
auto message_id = this->message_id;
std::unique_lock<std::mutex> lock(timeout_threads_mutex);
timeout_threads.emplace_back([this, message_id] {
for(size_t c = 0; c < 20; ++c) {
std::this_thread::sleep_for(std::chrono::milliseconds(500));
std::unique_lock<std::mutex> lock(read_write_mutex);
auto id_it = handlers.find(message_id);
if(id_it == handlers.end())
return;
}
std::unique_lock<std::mutex> lock(read_write_mutex);
auto id_it = handlers.find(message_id);
if(id_it != handlers.end()) {
auto function = std::move(id_it->second.second);
handlers.erase(id_it->first);
lock.unlock();
function(boost::property_tree::ptree(), false);
lock.lock();
}
});
}
std::string content(R"({"jsonrpc":"2.0","id":)" + std::to_string(message_id++) + R"(,"method":")" + method + R"(","params":{)" + params + "}}");
auto message = "Content-Length: " + std::to_string(content.size()) + "\r\n\r\n" + content;
if(output_messages_and_errors)
std::cout << "Language client: " << content << std::endl;
if(!process->write(message)) {
Terminal::get().async_print("Error writing to language protocol server. Please close and reopen all project source files.\n", true);
auto id_it = handlers.find(message_id - 1);
if(id_it != handlers.end()) {
auto function = std::move(id_it->second.second);
handlers.erase(id_it->first);
lock.unlock();
function(boost::property_tree::ptree(), false);
lock.lock();
}
}
}
void LanguageProtocol::Client::write_notification(const std::string &method, const std::string &params) {
std::unique_lock<std::mutex> lock(read_write_mutex);
std::string content(R"({"jsonrpc":"2.0","method":")" + method + R"(","params":{)" + params + "}}");
auto message = "Content-Length: " + std::to_string(content.size()) + "\r\n\r\n" + content;
if(output_messages_and_errors)
std::cout << "Language client: " << content << std::endl;
process->write(message);
}
void LanguageProtocol::Client::handle_server_request(const std::string &method, const boost::property_tree::ptree &params) {
if(method == "textDocument/publishDiagnostics") {
std::vector<Diagnostic> diagnostics;
auto uri = params.get<std::string>("uri", "");
if(!uri.empty()) {
auto diagnostics_pt = params.get_child("diagnostics", boost::property_tree::ptree());
for(auto it = diagnostics_pt.begin(); it != diagnostics_pt.end(); ++it) {
auto range_it = it->second.find("range");
if(range_it != it->second.not_found()) {
auto start_it = range_it->second.find("start");
auto end_it = range_it->second.find("end");
if(start_it != range_it->second.not_found() && start_it != range_it->second.not_found()) {
diagnostics.emplace_back(Diagnostic{it->second.get<std::string>("message", ""),
std::make_pair<Source::Offset, Source::Offset>(Source::Offset(start_it->second.get<unsigned>("line", 0), start_it->second.get<unsigned>("character", 0)),
Source::Offset(end_it->second.get<unsigned>("line", 0), end_it->second.get<unsigned>("character", 0))),
it->second.get<unsigned>("severity", 0), uri});
}
}
}
std::unique_lock<std::mutex> lock(views_mutex);
for(auto view : views) {
if(view->uri == uri) {
view->update_diagnostics(std::move(diagnostics));
break;
}
}
}
}
}
Source::LanguageProtocolView::LanguageProtocolView(const boost::filesystem::path &file_path, const Glib::RefPtr<Gsv::Language> &language, std::string language_id_)
: Source::BaseView(file_path, language), Source::View(file_path, language), uri("file://" + file_path.string()), language_id(std::move(language_id_)), client(LanguageProtocol::Client::get(file_path, language_id)), autocomplete(this, interactive_completion, last_keyval, false) {
configure();
get_source_buffer()->set_language(language);
get_source_buffer()->set_highlight_syntax(true);
status_state = "initializing...";
if(update_status_state)
update_status_state(this);
if(language_id == "javascript") {
boost::filesystem::path project_path;
auto build = Project::Build::create(file_path);
if(auto npm_build = dynamic_cast<Project::NpmBuild *>(build.get())) {
boost::system::error_code ec;
if(!npm_build->project_path.empty() && boost::filesystem::exists(npm_build->project_path / ".flowconfig", ec)) {
auto executable = npm_build->project_path / "node_modules" / ".bin" / "flow"; // It is recommended to use Flow binary installed in project, despite the security risk of doing so...
if(boost::filesystem::exists(executable, ec))
flow_coverage_executable = executable;
else
flow_coverage_executable = filesystem::find_executable("flow");
}
}
}
initialize_thread = std::thread([this] {
auto capabilities = client->initialize(this);
if(!flow_coverage_executable.empty())
add_flow_coverage_tooltips(true);
dispatcher.post([this, capabilities] {
this->capabilities = capabilities;
std::string text = get_buffer()->get_text();
escape_text(text);
client->write_notification("textDocument/didOpen", R"("textDocument":{"uri":")" + uri + R"(","languageId":")" + language_id + R"(","version":)" + std::to_string(document_version++) + R"(,"text":")" + text + "\"}");
setup_autocomplete();
setup_navigation_and_refactoring();
Menu::get().toggle_menu_items();
if(status_state == "initializing...") {
status_state = "";
if(update_status_state)
update_status_state(this);
}
});
});
get_buffer()->signal_changed().connect([this] {
get_buffer()->remove_tag(similar_symbol_tag, get_buffer()->begin(), get_buffer()->end());
});
get_buffer()->signal_mark_set().connect([this](const Gtk::TextBuffer::iterator &iterator, const Glib::RefPtr<Gtk::TextBuffer::Mark> &mark) {
if(mark->get_name() == "insert") {
delayed_tag_similar_symbols_connection.disconnect();
delayed_tag_similar_symbols_connection = Glib::signal_timeout().connect([this]() {
tag_similar_symbols();
return false;
}, 200);
}
});
get_buffer()->signal_insert().connect([this](const Gtk::TextBuffer::iterator &start, const Glib::ustring &text_, int bytes) {
std::string content_changes;
if(capabilities.text_document_sync == LanguageProtocol::Capabilities::TextDocumentSync::NONE)
return;
if(capabilities.text_document_sync == LanguageProtocol::Capabilities::TextDocumentSync::INCREMENTAL) {
std::string text = text_;
escape_text(text);
content_changes = R"({"range":{"start":{"line": )" + std::to_string(start.get_line()) + ",\"character\":" + std::to_string(start.get_line_offset()) + R"(},"end":{"line":)" + std::to_string(start.get_line()) + ",\"character\":" + std::to_string(start.get_line_offset()) + R"(}},"text":")" + text + "\"}";
}
else {
std::string text = get_buffer()->get_text();
escape_text(text);
content_changes = R"({"text":")" + text + "\"}";
}
client->write_notification("textDocument/didChange", R"("textDocument":{"uri":")" + uri + R"(","version":)" + std::to_string(document_version++) + "},\"contentChanges\":[" + content_changes + "]");
}, false);
get_buffer()->signal_erase().connect([this](const Gtk::TextBuffer::iterator &start, const Gtk::TextBuffer::iterator &end) {
std::string content_changes;
if(capabilities.text_document_sync == LanguageProtocol::Capabilities::TextDocumentSync::NONE)
return;
if(capabilities.text_document_sync == LanguageProtocol::Capabilities::TextDocumentSync::INCREMENTAL)
content_changes = R"({"range":{"start":{"line": )" + std::to_string(start.get_line()) + ",\"character\":" + std::to_string(start.get_line_offset()) + R"(},"end":{"line":)" + std::to_string(end.get_line()) + ",\"character\":" + std::to_string(end.get_line_offset()) + R"(}},"text":""})";
else {
std::string text = get_buffer()->get_text();
escape_text(text);
content_changes = R"({"text":")" + text + "\"}";
}
client->write_notification("textDocument/didChange", R"("textDocument":{"uri":")" + uri + R"(","version":)" + std::to_string(document_version++) + "},\"contentChanges\":[" + content_changes + "]");
}, false);
}
Source::LanguageProtocolView::~LanguageProtocolView() {
if(initialize_thread.joinable())
initialize_thread.join();
autocomplete.state = Autocomplete::State::IDLE;
if(autocomplete.thread.joinable())
autocomplete.thread.join();
client->write_notification("textDocument/didClose", R"("textDocument":{"uri":")" + uri + "\"}");
client->close(this);
client = nullptr;
}
bool Source::LanguageProtocolView::save() {
if(!Source::View::save())
return false;
if(!flow_coverage_executable.empty())
add_flow_coverage_tooltips(false);
return true;
}
void Source::LanguageProtocolView::setup_navigation_and_refactoring() {
if(capabilities.document_formatting) {
format_style = [this](bool continue_without_style_file) {
if(!continue_without_style_file) {
bool has_style_file = false;
auto style_file_search_path = this->file_path.parent_path();
auto style_file = '.' + language_id + "-format";
while(true) {
if(boost::filesystem::exists(style_file_search_path / style_file)) {
has_style_file = true;
break;
}
if(style_file_search_path == style_file_search_path.root_directory())
break;
style_file_search_path = style_file_search_path.parent_path();
}
if(!has_style_file && !continue_without_style_file)
return;
}
class Replace {
public:
Offset start, end;
std::string text;
};
std::vector<Replace> replaces;
std::promise<void> result_processed;
std::string method;
std::string params;
std::string options("\"tabSize\":" + std::to_string(tab_size) + ",\"insertSpaces\":" + (tab_char == ' ' ? "true" : "false"));
if(get_buffer()->get_has_selection() && capabilities.document_range_formatting) {
method = "textDocument/rangeFormatting";
Gtk::TextIter start, end;
get_buffer()->get_selection_bounds(start, end);
params = R"("textDocument":{"uri":")" + uri + R"("},"range":{"start":{"line":)" + std::to_string(start.get_line()) + ",\"character\":" + std::to_string(start.get_line_offset()) + R"(},"end":{"line":)" + std::to_string(end.get_line()) + ",\"character\":" + std::to_string(end.get_line_offset()) + "}},\"options\":{" + options + "}";
}
else {
method = "textDocument/formatting";
params = R"("textDocument":{"uri":")" + uri + R"("},"options":{)" + options + "}";
}
client->write_request(this, method, params, [&replaces, &result_processed](const boost::property_tree::ptree &result, bool error) {
if(!error) {
for(auto it = result.begin(); it != result.end(); ++it) {
auto range_it = it->second.find("range");
auto text_it = it->second.find("newText");
if(range_it != it->second.not_found() && text_it != it->second.not_found()) {
auto start_it = range_it->second.find("start");
auto end_it = range_it->second.find("end");
if(start_it != range_it->second.not_found() && end_it != range_it->second.not_found()) {
try {
replaces.emplace_back(Replace{Offset(start_it->second.get<unsigned>("line"), start_it->second.get<unsigned>("character")),
Offset(end_it->second.get<unsigned>("line"), end_it->second.get<unsigned>("character")),
text_it->second.get_value<std::string>()});
}
catch(...) {
}
}
}
}
}
result_processed.set_value();
});
result_processed.get_future().get();
auto end_iter = get_buffer()->end();
// If entire buffer is replaced:
if(replaces.size() == 1 &&
replaces[0].start.line == 0 && replaces[0].start.index == 0 &&
(replaces[0].end.line > static_cast<unsigned>(end_iter.get_line()) ||
(replaces[0].end.line == static_cast<unsigned>(end_iter.get_line()) && replaces[0].end.index >= static_cast<unsigned>(end_iter.get_line_offset())))) {
replace_text(replaces[0].text);
}
else {
get_buffer()->begin_user_action();
for(auto it = replaces.rbegin(); it != replaces.rend(); ++it) {
auto start = get_iter_at_line_pos(it->start.line, it->start.index);
auto end = get_iter_at_line_pos(it->end.line, it->end.index);
get_buffer()->erase(start, end);
start = get_iter_at_line_pos(it->start.line, it->start.index);
get_buffer()->insert(start, it->text);
}
get_buffer()->end_user_action();
}
};
}
if(capabilities.definition) {
get_declaration_location = [this]() {
auto offset = get_declaration(get_buffer()->get_insert()->get_iter());
if(!offset)
Info::get().print("No declaration found");
return offset;
};
get_declaration_or_implementation_locations = [this]() {
std::vector<Offset> offsets;
auto offset = get_declaration_location();
if(offset)
offsets.emplace_back(std::move(offset));
return offsets;
};
}
if(capabilities.references || capabilities.document_highlight) {
get_usages = [this] {
auto iter = get_buffer()->get_insert()->get_iter();
std::vector<std::pair<Offset, std::string>> usages;
std::vector<Offset> end_offsets;
std::promise<void> result_processed;
std::string method;
if(capabilities.document_highlight)
method = "textDocument/documentHighlight";
else
method = "textDocument/references";
client->write_request(this, method, R"("textDocument":{"uri":")" + uri + R"("}, "position": {"line": )" + std::to_string(iter.get_line()) + ", \"character\": " + std::to_string(iter.get_line_offset()) + R"(}, "context": {"includeDeclaration": true})", [this, &usages, &end_offsets, &result_processed](const boost::property_tree::ptree &result, bool error) {
if(!error) {
try {
for(auto it = result.begin(); it != result.end(); ++it) {
std::string path;
if(capabilities.document_highlight)
path = file_path.string();
else {
path = it->second.get<std::string>("uri", "");
if(path.size() >= 7)
path.erase(0, 7);
else
continue;
}
auto range_it = it->second.find("range");
if(range_it != it->second.not_found()) {
auto start_it = range_it->second.find("start");
auto end_it = range_it->second.find("end");
if(start_it != range_it->second.not_found() && end_it != range_it->second.not_found()) {
usages.emplace_back(std::make_pair(Offset(start_it->second.get<unsigned>("line"), start_it->second.get<unsigned>("character"), path), ""));
end_offsets.emplace_back(end_it->second.get<unsigned>("line"), end_it->second.get<unsigned>("character"));
}
}
}
}
catch(...) {
usages.clear();
end_offsets.clear();
}
}
result_processed.set_value();
});
result_processed.get_future().get();
auto embolden_token = [](std::string &line_, unsigned token_start_pos, unsigned token_end_pos) {
Glib::ustring line = line_;
if(token_start_pos > line.size() || token_end_pos > line.size())
return;
//markup token as bold
size_t pos = 0;
while((pos = line.find('&', pos)) != Glib::ustring::npos) {
size_t pos2 = line.find(';', pos + 2);
if(token_start_pos > pos) {
token_start_pos += pos2 - pos;
token_end_pos += pos2 - pos;
}
else if(token_end_pos > pos)
token_end_pos += pos2 - pos;
else
break;
pos = pos2 + 1;
}
line.insert(token_end_pos, "</b>");
line.insert(token_start_pos, "<b>");
size_t start_pos = 0;
while(start_pos < line.size() && (line[start_pos] == ' ' || line[start_pos] == '\t'))
++start_pos;
if(start_pos > 0)
line.erase(0, start_pos);
line_ = line.raw();
};
std::map<boost::filesystem::path, std::vector<std::string>> file_lines;
auto c = static_cast<size_t>(-1);
for(auto &usage : usages) {
++c;
auto view_it = views.end();
for(auto it = views.begin(); it != views.end(); ++it) {
if(usage.first.file_path == (*it)->file_path) {
view_it = it;
break;
}
}
if(view_it != views.end()) {
if(usage.first.line < static_cast<unsigned>((*view_it)->get_buffer()->get_line_count())) {
auto start = (*view_it)->get_buffer()->get_iter_at_line(usage.first.line);
auto end = start;
end.forward_to_line_end();
usage.second = Glib::Markup::escape_text((*view_it)->get_buffer()->get_text(start, end));
embolden_token(usage.second, usage.first.index, end_offsets[c].index);
}
}
else {
auto it = file_lines.find(usage.first.file_path);
if(it == file_lines.end()) {
std::ifstream ifs(usage.first.file_path.string());
if(ifs) {
std::vector<std::string> lines;
std::string line;
while(std::getline(ifs, line)) {
if(!line.empty() && line.back() == '\r')
line.pop_back();
lines.emplace_back(line);
}
auto pair = file_lines.emplace(usage.first.file_path, lines);
it = pair.first;
}
else {
auto pair = file_lines.emplace(usage.first.file_path, std::vector<std::string>());
it = pair.first;
}
}
if(usage.first.line < it->second.size()) {
usage.second = it->second[usage.first.line];
embolden_token(usage.second, usage.first.index, end_offsets[c].index);
}
}
}
if(usages.empty())
Info::get().print("No symbol found at current cursor location");
return usages;
};
}
get_token_spelling = [this]() -> std::string {
auto start = get_buffer()->get_insert()->get_iter();
auto end = start;
auto previous = start;
while(previous.backward_char() && ((*previous >= 'A' && *previous <= 'Z') || (*previous >= 'a' && *previous <= 'z') || (*previous >= '0' && *previous <= '9') || *previous == '_') && start.backward_char()) {
}
while(((*end >= 'A' && *end <= 'Z') || (*end >= 'a' && *end <= 'z') || (*end >= '0' && *end <= '9') || *end == '_') && end.forward_char()) {
}
if(start == end) {
Info::get().print("No valid symbol found at current cursor location");
return "";
}
return get_buffer()->get_text(start, end);
};
if(capabilities.rename || capabilities.document_highlight) {
rename_similar_tokens = [this](const std::string &text) {
class Usages {
public:
boost::filesystem::path path;
std::unique_ptr<std::string> new_text;
std::vector<std::pair<Offset, Offset>> offsets;
};
auto previous_text = get_token_spelling();
if(previous_text.empty())
return;
auto iter = get_buffer()->get_insert()->get_iter();
std::vector<Usages> usages;
std::promise<void> result_processed;
if(capabilities.rename) {
client->write_request(this, "textDocument/rename", R"("textDocument":{"uri":")" + uri + R"("}, "position": {"line": )" + std::to_string(iter.get_line()) + ", \"character\": " + std::to_string(iter.get_line_offset()) + R"(}, "newName": ")" + text + "\"", [this, &usages, &result_processed](const boost::property_tree::ptree &result, bool error) {
if(!error) {
boost::filesystem::path project_path;
auto build = Project::Build::create(file_path);
if(!build->project_path.empty())
project_path = build->project_path;
else
project_path = file_path.parent_path();
try {
auto changes_it = result.find("changes");
if(changes_it != result.not_found()) {
for(auto file_it = changes_it->second.begin(); file_it != changes_it->second.end(); ++file_it) {
auto path = file_it->first;
if(path.size() >= 7) {
path.erase(0, 7);
if(filesystem::file_in_path(path, project_path)) {
usages.emplace_back(Usages{path, nullptr, std::vector<std::pair<Offset, Offset>>()});
for(auto edit_it = file_it->second.begin(); edit_it != file_it->second.end(); ++edit_it) {
auto range_it = edit_it->second.find("range");
if(range_it != edit_it->second.not_found()) {
auto start_it = range_it->second.find("start");
auto end_it = range_it->second.find("end");
if(start_it != range_it->second.not_found() && end_it != range_it->second.not_found())
usages.back().offsets.emplace_back(std::make_pair(Offset(start_it->second.get<unsigned>("line"), start_it->second.get<unsigned>("character")),
Offset(end_it->second.get<unsigned>("line"), end_it->second.get<unsigned>("character"))));
}
}
}
}
}
}
else {
auto changes_pt = result.get_child("documentChanges", boost::property_tree::ptree());
for(auto change_it = changes_pt.begin(); change_it != changes_pt.end(); ++change_it) {
auto document_it = change_it->second.find("textDocument");
if(document_it != change_it->second.not_found()) {
auto path = document_it->second.get<std::string>("uri", "");
if(path.size() >= 7) {
path.erase(0, 7);
if(filesystem::file_in_path(path, project_path)) {
usages.emplace_back(Usages{path, std::make_unique<std::string>(), std::vector<std::pair<Offset, Offset>>()});
auto edits_pt = change_it->second.get_child("edits", boost::property_tree::ptree());
for(auto edit_it = edits_pt.begin(); edit_it != edits_pt.end(); ++edit_it) {
auto new_text_it = edit_it->second.find("newText");
if(new_text_it != edit_it->second.not_found()) {
auto range_it = edit_it->second.find("range");
if(range_it != edit_it->second.not_found()) {
auto start_it = range_it->second.find("start");
auto end_it = range_it->second.find("end");
if(start_it != range_it->second.not_found() && end_it != range_it->second.not_found()) {
auto end_line = end_it->second.get<size_t>("line");
if(end_line > std::numeric_limits<int>::max())
end_line = std::numeric_limits<int>::max();
*usages.back().new_text = new_text_it->second.get_value<std::string>();
usages.back().offsets.emplace_back(std::make_pair(Offset(start_it->second.get<unsigned>("line"), start_it->second.get<unsigned>("character")),
Offset(static_cast<unsigned>(end_line), end_it->second.get<unsigned>("character"))));
}
}
}
}
}
}
}
}
}
}
catch(...) {
usages.clear();
}
}
result_processed.set_value();
});
}
else {
client->write_request(this, "textDocument/documentHighlight", R"("textDocument":{"uri":")" + uri + R"("}, "position": {"line": )" + std::to_string(iter.get_line()) + ", \"character\": " + std::to_string(iter.get_line_offset()) + R"(}, "context": {"includeDeclaration": true})", [this, &usages, &result_processed](const boost::property_tree::ptree &result, bool error) {
if(!error) {
try {
usages.emplace_back(Usages{file_path, nullptr, std::vector<std::pair<Offset, Offset>>()});
for(auto it = result.begin(); it != result.end(); ++it) {
auto range_it = it->second.find("range");
if(range_it != it->second.not_found()) {
auto start_it = range_it->second.find("start");
auto end_it = range_it->second.find("end");
if(start_it != range_it->second.not_found() && end_it != range_it->second.not_found()) {
usages.back().offsets.emplace_back(std::make_pair(Offset(start_it->second.get<unsigned>("line"), start_it->second.get<unsigned>("character")),
Offset(end_it->second.get<unsigned>("line"), end_it->second.get<unsigned>("character"))));
}
}
}
}
catch(...) {
usages.clear();
}
}
result_processed.set_value();
});
}
result_processed.get_future().get();
std::vector<Usages *> usages_renamed;
for(auto &usage : usages) {
auto view_it = views.end();
for(auto it = views.begin(); it != views.end(); ++it) {
if((*it)->file_path == usage.path) {
view_it = it;
break;
}
}
if(view_it != views.end()) {
auto buffer = (*view_it)->get_buffer();
buffer->begin_user_action();
auto end_iter = buffer->end();
// If entire buffer is replaced
if(usage.new_text && usage.offsets.size() == 1 &&
usage.offsets[0].first.line == 0 && usage.offsets[0].first.index == 0 &&
(usage.offsets[0].second.line > static_cast<unsigned>(end_iter.get_line()) ||
(usage.offsets[0].second.line == static_cast<unsigned>(end_iter.get_line()) && usage.offsets[0].second.index >= static_cast<unsigned>(end_iter.get_line_offset()))))
replace_text(*usage.new_text);
else {
for(auto offset_it = usage.offsets.rbegin(); offset_it != usage.offsets.rend(); ++offset_it) {
auto start_iter = (*view_it)->get_iter_at_line_pos(offset_it->first.line, offset_it->first.index);
auto end_iter = (*view_it)->get_iter_at_line_pos(offset_it->second.line, offset_it->second.index);
buffer->erase(start_iter, end_iter);
start_iter = (*view_it)->get_iter_at_line_pos(offset_it->first.line, offset_it->first.index);
if(usage.new_text)
buffer->insert(start_iter, *usage.new_text);
else
buffer->insert(start_iter, text);
}
}
buffer->end_user_action();
(*view_it)->save();
usages_renamed.emplace_back(&usage);
}
else {
Glib::ustring buffer;
{
std::ifstream stream(usage.path.string(), std::ifstream::binary);
if(stream)
buffer.assign(std::istreambuf_iterator<char>(stream), std::istreambuf_iterator<char>());
}
std::ofstream stream(usage.path.string(), std::ifstream::binary);
if(!buffer.empty() && stream) {
std::vector<size_t> lines_start_pos = {0};
for(size_t c = 0; c < buffer.size(); ++c) {
if(buffer[c] == '\n')
lines_start_pos.emplace_back(c + 1);
}
for(auto offset_it = usage.offsets.rbegin(); offset_it != usage.offsets.rend(); ++offset_it) {
auto start_line = offset_it->first.line;
auto end_line = offset_it->second.line;
if(start_line < lines_start_pos.size()) {
auto start = lines_start_pos[start_line] + offset_it->first.index;
unsigned end;
if(end_line >= lines_start_pos.size())
end = buffer.size();
else
end = lines_start_pos[end_line] + offset_it->second.index;
if(start < buffer.size() && end <= buffer.size()) {
if(usage.new_text)
buffer.replace(start, end - start, *usage.new_text);
else
buffer.replace(start, end - start, text);
}
}
}
stream.write(buffer.data(), buffer.bytes());
usages_renamed.emplace_back(&usage);
}
else
Terminal::get().print("Error: could not write to file " + usage.path.string() + '\n', true);
}
}
if(!usages_renamed.empty()) {
Terminal::get().print("Renamed ");
Terminal::get().print(previous_text, true);
Terminal::get().print(" to ");
Terminal::get().print(text, true);
Terminal::get().print("\n");
}
};
}
goto_next_diagnostic = [this]() {
place_cursor_at_next_diagnostic();
};
}
void Source::LanguageProtocolView::escape_text(std::string &text) {
for(size_t c = 0; c < text.size(); ++c) {
if(text[c] == '\n') {
text.replace(c, 1, "\\n");
++c;
}
else if(text[c] == '\r') {
text.replace(c, 1, "\\r");
++c;
}
else if(text[c] == '"') {
text.replace(c, 1, "\\\"");
++c;
}
else if(text[c] == '\\') {
text.replace(c, 1, "\\\\");
++c;
}
}
}
void Source::LanguageProtocolView::update_diagnostics(std::vector<LanguageProtocol::Diagnostic> &&diagnostics) {
dispatcher.post([this, diagnostics = std::move(diagnostics)] {
clear_diagnostic_tooltips();
num_warnings = 0;
num_errors = 0;
num_fix_its = 0;
for(auto &diagnostic : diagnostics) {
if(diagnostic.uri == uri) {
auto start = get_iter_at_line_pos(diagnostic.offsets.first.line, diagnostic.offsets.first.index);
auto end = get_iter_at_line_pos(diagnostic.offsets.second.line, diagnostic.offsets.second.index);
if(start == end) {
if(!end.is_end())
end.forward_char();
else
start.forward_char();
}
bool error = false;
std::string severity_tag_name;
if(diagnostic.severity >= 2) {
severity_tag_name = "def:warning";
num_warnings++;
}
else {
severity_tag_name = "def:error";
num_errors++;
error = true;
}
add_diagnostic_tooltip(start, end, diagnostic.spelling, error);
}
}
for(auto &mark : flow_coverage_marks)
add_diagnostic_tooltip(mark.first->get_iter(), mark.second->get_iter(), flow_coverage_message, false);
status_diagnostics = std::make_tuple(num_warnings + num_flow_coverage_warnings, num_errors, num_fix_its);
if(update_status_diagnostics)
update_status_diagnostics(this);
});
}
Gtk::TextIter Source::LanguageProtocolView::get_iter_at_line_pos(int line, int pos) {
return get_iter_at_line_offset(line, pos);
}
void Source::LanguageProtocolView::show_type_tooltips(const Gdk::Rectangle &rectangle) {
if(!capabilities.hover)
return;
Gtk::TextIter iter;
int location_x, location_y;
window_to_buffer_coords(Gtk::TextWindowType::TEXT_WINDOW_TEXT, rectangle.get_x(), rectangle.get_y(), location_x, location_y);
location_x += (rectangle.get_width() - 1) / 2;
get_iter_at_location(iter, location_x, location_y);
Gdk::Rectangle iter_rectangle;
get_iter_location(iter, iter_rectangle);
if(iter.ends_line() && location_x > iter_rectangle.get_x())
return;
auto offset = iter.get_offset();
static int request_count = 0;
request_count++;
auto current_request = request_count;
client->write_request(this, "textDocument/hover", R"("textDocument": {"uri":"file://)" + file_path.string() + R"("}, "position": {"line": )" + std::to_string(iter.get_line()) + ", \"character\": " + std::to_string(iter.get_line_offset()) + "}", [this, offset, current_request](const boost::property_tree::ptree &result, bool error) {
if(!error) {
// hover result structure vary significantly from the different language servers
auto content = std::make_shared<std::string>();
auto contents_pt = result.get_child("contents", boost::property_tree::ptree());
for(auto it = contents_pt.begin(); it != contents_pt.end(); ++it) {
auto value = it->second.get<std::string>("value", "");
if(!value.empty())
content->insert(0, value + (content->empty() ? "" : "\n\n"));
else {
value = it->second.get_value<std::string>("");
if(!value.empty())
*content += (content->empty() ? "" : "\n\n") + value;
}
}
if(content->empty()) {
auto contents_it = result.find("contents");
if(contents_it != result.not_found()) {
*content = contents_it->second.get<std::string>("value", "");
if(content->empty())
*content = contents_it->second.get_value<std::string>("");
}
}
if(!content->empty()) {
while(!content->empty() && content->back() == '\n') {
content->pop_back();
} // Remove unnecessary newlines
dispatcher.post([this, offset, content, current_request] {
if(current_request != request_count)
return;
if(offset >= get_buffer()->get_char_count())
return;
type_tooltips.clear();
auto create_tooltip_buffer = [this, offset, content]() {
auto tooltip_buffer = Gtk::TextBuffer::create(get_buffer()->get_tag_table());
tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), *content);
#ifdef JUCI_ENABLE_DEBUG
if(language_id == "rust" && capabilities.definition) {
if(Debug::LLDB::get().is_stopped()) {
Glib::ustring value_type = "Value";
auto start = get_buffer()->get_iter_at_offset(offset);
auto end = start;
auto previous = start;
while(previous.backward_char() && ((*previous >= 'A' && *previous <= 'Z') || (*previous >= 'a' && *previous <= 'z') || (*previous >= '0' && *previous <= '9') || *previous == '_') && start.backward_char()) {
}
while(((*end >= 'A' && *end <= 'Z') || (*end >= 'a' && *end <= 'z') || (*end >= '0' && *end <= '9') || *end == '_') && end.forward_char()) {
}
auto offset = get_declaration(start);
Glib::ustring debug_value = Debug::LLDB::get().get_value(get_buffer()->get_text(start, end), offset.file_path, offset.line + 1, offset.index + 1);
if(debug_value.empty()) {
value_type = "Return value";
debug_value = Debug::LLDB::get().get_return_value(file_path, start.get_line() + 1, start.get_line_index() + 1);
}
if(!debug_value.empty()) {
size_t pos = debug_value.find(" = ");
if(pos != Glib::ustring::npos) {
Glib::ustring::iterator iter;
while(!debug_value.validate(iter)) {
auto next_char_iter = iter;
next_char_iter++;
debug_value.replace(iter, next_char_iter, "?");
}
tooltip_buffer->insert(tooltip_buffer->get_insert()->get_iter(), "\n\n" + value_type + ": " + debug_value.substr(pos + 3, debug_value.size() - (pos + 3) - 1));
}
}
}
}
#endif
return tooltip_buffer;
};
auto start = get_buffer()->get_iter_at_offset(offset);
auto end = start;
auto previous = start;
while(previous.backward_char() && ((*previous >= 'A' && *previous <= 'Z') || (*previous >= 'a' && *previous <= 'z') || (*previous >= '0' && *previous <= '9') || *previous == '_') && start.backward_char()) {
}
while(((*end >= 'A' && *end <= 'Z') || (*end >= 'a' && *end <= 'z') || (*end >= '0' && *end <= '9') || *end == '_') && end.forward_char()) {
}
type_tooltips.emplace_back(create_tooltip_buffer, this, get_buffer()->create_mark(start), get_buffer()->create_mark(end));
type_tooltips.show();
});
}
}
});
}
void Source::LanguageProtocolView::tag_similar_symbols() {
if(!capabilities.document_highlight && !capabilities.references)
return;
auto iter = get_buffer()->get_insert()->get_iter();
std::string method;
if(capabilities.document_highlight)
method = "textDocument/documentHighlight";
else
method = "textDocument/references";
static int request_count = 0;
request_count++;
auto current_request = request_count;
client->write_request(this, method, R"("textDocument":{"uri":")" + uri + R"("}, "position": {"line": )" + std::to_string(iter.get_line()) + ", \"character\": " + std::to_string(iter.get_line_offset()) + R"(}, "context": {"includeDeclaration": true})", [this, current_request](const boost::property_tree::ptree &result, bool error) {
if(!error) {
std::vector<std::pair<Offset, Offset>> offsets;
for(auto it = result.begin(); it != result.end(); ++it) {
if(capabilities.document_highlight || it->second.get<std::string>("uri", "") == uri) {
auto range_it = it->second.find("range");
if(range_it != it->second.not_found()) {
auto start_it = range_it->second.find("start");
auto end_it = range_it->second.find("end");
if(start_it != range_it->second.not_found() && end_it != range_it->second.not_found()) {
try {
offsets.emplace_back(std::make_pair(Offset(start_it->second.get<unsigned>("line"), start_it->second.get<unsigned>("character")),
Offset(end_it->second.get<unsigned>("line"), end_it->second.get<unsigned>("character"))));
}
catch(...) {
}
}
}
}
}
dispatcher.post([this, offsets = std::move(offsets), current_request] {
if(current_request != request_count)
return;
get_buffer()->remove_tag(similar_symbol_tag, get_buffer()->begin(), get_buffer()->end());
for(auto &pair : offsets) {
auto start = get_iter_at_line_pos(pair.first.line, pair.first.index);
auto end = get_iter_at_line_pos(pair.second.line, pair.second.index);
get_buffer()->apply_tag(similar_symbol_tag, start, end);
}
});
}
});
}
Source::Offset Source::LanguageProtocolView::get_declaration(const Gtk::TextIter &iter) {
auto offset = std::make_shared<Offset>();
std::promise<void> result_processed;
client->write_request(this, "textDocument/definition", R"("textDocument":{"uri":")" + uri + R"("}, "position": {"line": )" + std::to_string(iter.get_line()) + ", \"character\": " + std::to_string(iter.get_line_offset()) + "}", [offset, &result_processed](const boost::property_tree::ptree &result, bool error) {
if(!error) {
for(auto it = result.begin(); it != result.end(); ++it) {
auto uri = it->second.get<std::string>("uri", "");
if(uri.compare(0, 7, "file://") == 0)
uri.erase(0, 7);
auto range = it->second.find("range");
if(range != it->second.not_found()) {
auto start = range->second.find("start");
if(start != range->second.not_found())
*offset = Offset(start->second.get<unsigned>("line", 0), start->second.get<unsigned>("character", 0), uri);
}
break; // TODO: can a language server return several definitions?
}
}
result_processed.set_value();
});
result_processed.get_future().get();
return *offset;
}
void Source::LanguageProtocolView::setup_autocomplete() {
if(!capabilities.completion)
return;
non_interactive_completion = [this] {
if(CompletionDialog::get() && CompletionDialog::get()->is_visible())
return;
autocomplete.run();
};
autocomplete.reparse = [this] {
autocomplete_comment.clear();
autocomplete_insert.clear();
};
autocomplete.is_continue_key = [](guint keyval) {
if((keyval >= '0' && keyval <= '9') || (keyval >= 'a' && keyval <= 'z') || (keyval >= 'A' && keyval <= 'Z') || keyval == '_')
return true;
return false;
};
autocomplete.is_restart_key = [this](guint keyval) {
auto iter = get_buffer()->get_insert()->get_iter();
iter.backward_chars(2);
if(keyval == '.' || (keyval == ':' && *iter == ':'))
return true;
return false;
};
autocomplete.run_check = [this]() {
auto iter = get_buffer()->get_insert()->get_iter();
iter.backward_char();
if(!is_code_iter(iter))
return false;
std::string line = " " + get_line_before();
const static std::regex dot_or_arrow(R"(^.*[a-zA-Z0-9_\)\]\>"'](\.)([a-zA-Z0-9_]*)$)");
const static std::regex colon_colon(R"(^.*::([a-zA-Z0-9_]*)$)");
const static std::regex part_of_symbol(R"(^.*[^a-zA-Z0-9_]+([a-zA-Z0-9_]{3,})$)");
std::smatch sm;
if(std::regex_match(line, sm, dot_or_arrow)) {
{
std::unique_lock<std::mutex> lock(autocomplete.prefix_mutex);
autocomplete.prefix = sm[2].str();
}
if(autocomplete.prefix.size() == 0 || autocomplete.prefix[0] < '0' || autocomplete.prefix[0] > '9')
return true;
}
else if(std::regex_match(line, sm, colon_colon)) {
{
std::unique_lock<std::mutex> lock(autocomplete.prefix_mutex);
autocomplete.prefix = sm[1].str();
}
if(autocomplete.prefix.size() == 0 || autocomplete.prefix[0] < '0' || autocomplete.prefix[0] > '9')
return true;
}
else if(std::regex_match(line, sm, part_of_symbol)) {
{
std::unique_lock<std::mutex> lock(autocomplete.prefix_mutex);
autocomplete.prefix = sm[1].str();
}
if(autocomplete.prefix.size() == 0 || autocomplete.prefix[0] < '0' || autocomplete.prefix[0] > '9')
return true;
}
else if(!interactive_completion) {
auto end_iter = get_buffer()->get_insert()->get_iter();
auto iter = end_iter;
while(iter.backward_char() && autocomplete.is_continue_key(*iter)) {
}
if(iter != end_iter)
iter.forward_char();
std::unique_lock<std::mutex> lock(autocomplete.prefix_mutex);
autocomplete.prefix = get_buffer()->get_text(iter, end_iter);
return true;
}
return false;
};
autocomplete.before_add_rows = [this] {
status_state = "autocomplete...";
if(update_status_state)
update_status_state(this);
};
autocomplete.after_add_rows = [this] {
status_state = "";
if(update_status_state)
update_status_state(this);
};
autocomplete.on_add_rows_error = [this] {
autocomplete_comment.clear();
autocomplete_insert.clear();
};
autocomplete.add_rows = [this](std::string &buffer, int line_number, int column) {
if(autocomplete.state == Autocomplete::State::STARTING) {
autocomplete_comment.clear();
autocomplete_insert.clear();
std::promise<void> result_processed;
client->write_request(this, "textDocument/completion", R"("textDocument":{"uri":")" + uri + R"("}, "position": {"line": )" + std::to_string(line_number - 1) + ", \"character\": " + std::to_string(column - 1) + "}", [this, &result_processed](const boost::property_tree::ptree &result, bool error) {
if(!error) {
auto begin = result.begin(); // rust language server is bugged
auto end = result.end();
auto items_it = result.find("items"); // correct
if(items_it != result.not_found()) {
begin = items_it->second.begin();
end = items_it->second.end();
}
for(auto it = begin; it != end; ++it) {
auto label = it->second.get<std::string>("label", "");
auto detail = it->second.get<std::string>("detail", "");
auto documentation = it->second.get<std::string>("documentation", "");
auto insert = it->second.get<std::string>("insertText", "");
if(!insert.empty()) {
// In case ( is missing in insert but is present in label
if(label.size() > insert.size() && label.back() == ')' && insert.find('(') == std::string::npos) {
auto pos = label.find('(');
if(pos != std::string::npos && pos == insert.size() && pos + 1 < label.size()) {
if(pos + 2 == label.size()) // If no parameters
insert += "()";
else
insert += "(${1:" + label.substr(pos + 1, label.size() - 1 - (pos + 1)) + "})";
}
}
}
else {
insert = label;
auto kind = it->second.get<unsigned>("kind", 0);
if(kind >= 2 && kind <= 3) {
bool found_bracket = false;
for(auto &chr : insert) {
if(chr == '(' || chr == '{') {
found_bracket = true;
break;
}
}
if(!found_bracket)
insert += "(${1:})";
}
}
if(!label.empty()) {
autocomplete.rows.emplace_back(std::move(label));
autocomplete_comment.emplace_back(std::move(detail));
if(!documentation.empty()) {
if(!autocomplete_comment.back().empty())
autocomplete_comment.back() += "\n\n";
autocomplete_comment.back() += documentation;
}
autocomplete_insert.emplace_back(std::move(insert));
}
}
}
result_processed.set_value();
});
result_processed.get_future().get();
}
};
signal_key_press_event().connect([this](GdkEventKey *event) {
if((event->keyval == GDK_KEY_Tab || event->keyval == GDK_KEY_ISO_Left_Tab) && (event->state & GDK_SHIFT_MASK) == 0) {
if(!argument_marks.empty()) {
auto it = argument_marks.begin();
auto start = it->first->get_iter();
auto end = it->second->get_iter();
if(start == end)
return false;
keep_argument_marks = true;
get_buffer()->select_range(it->first->get_iter(), it->second->get_iter());
keep_argument_marks = false;
get_buffer()->delete_mark(it->first);
get_buffer()->delete_mark(it->second);
argument_marks.erase(it);
return true;
}
}
return false;
}, false);
get_buffer()->signal_mark_set().connect([this](const Gtk::TextBuffer::iterator &iterator, const Glib::RefPtr<Gtk::TextBuffer::Mark> &mark) {
if(mark->get_name() == "insert") {
if(!keep_argument_marks) {
for(auto &pair : argument_marks) {
get_buffer()->delete_mark(pair.first);
get_buffer()->delete_mark(pair.second);
}
argument_marks.clear();
}
}
});
autocomplete.on_show = [this] {
for(auto &pair : argument_marks) {
get_buffer()->delete_mark(pair.first);
get_buffer()->delete_mark(pair.second);
}
argument_marks.clear();
hide_tooltips();
};
autocomplete.on_hide = [this] {
autocomplete_comment.clear();
autocomplete_insert.clear();
};
autocomplete.on_select = [this](unsigned int index, const std::string &text, bool hide_window) {
get_buffer()->erase(CompletionDialog::get()->start_mark->get_iter(), get_buffer()->get_insert()->get_iter());
if(hide_window) {
Glib::ustring insert = autocomplete_insert[index];
// Do not insert function/template parameters if they already exist
auto iter = get_buffer()->get_insert()->get_iter();
if(*iter == '(' || *iter == '<') {
auto bracket_pos = insert.find(*iter);
if(bracket_pos != std::string::npos) {
insert = insert.substr(0, bracket_pos);
}
}
// Find and add position marks that one can move to using tab-key
size_t pos1 = 0;
std::vector<std::pair<size_t, size_t>> mark_offsets;
while((pos1 = insert.find("${"), pos1) != Glib::ustring::npos) {
size_t pos2 = insert.find(":", pos1 + 2);
if(pos2 != Glib::ustring::npos) {
size_t pos3 = insert.find("}", pos2 + 1);
if(pos3 != Glib::ustring::npos) {
size_t length = pos3 - pos2 - 1;
insert.erase(pos3, 1);
insert.erase(pos1, pos2 - pos1 + 1);
mark_offsets.emplace_back(pos1, pos1 + length);
pos1 += length;
}
else
break;
}
else
break;
}
get_buffer()->insert(CompletionDialog::get()->start_mark->get_iter(), insert);
for(auto &offset : mark_offsets) {
auto start = CompletionDialog::get()->start_mark->get_iter();
auto end = start;
start.forward_chars(offset.first);
end.forward_chars(offset.second);
argument_marks.emplace_back(get_buffer()->create_mark(start), get_buffer()->create_mark(end));
}
if(!argument_marks.empty()) {
auto it = argument_marks.begin();
keep_argument_marks = true;
get_buffer()->select_range(it->first->get_iter(), it->second->get_iter());
keep_argument_marks = false;
get_buffer()->delete_mark(it->first);
get_buffer()->delete_mark(it->second);
argument_marks.erase(it);
}
}
else
get_buffer()->insert(CompletionDialog::get()->start_mark->get_iter(), text);
};
autocomplete.get_tooltip = [this](unsigned int index) {
return autocomplete_comment[index];
};
}
void Source::LanguageProtocolView::add_flow_coverage_tooltips(bool called_in_thread) {
std::stringstream stdin_stream, stderr_stream;
auto stdout_stream = std::make_shared<std::stringstream>();
auto exit_status = Terminal::get().process(stdin_stream, *stdout_stream, flow_coverage_executable.string() + " coverage --json " + file_path.string(), "", &stderr_stream);
auto f = [this, exit_status, stdout_stream] {
clear_diagnostic_tooltips();
num_flow_coverage_warnings = 0;
for(auto &mark : flow_coverage_marks) {
get_buffer()->delete_mark(mark.first);
get_buffer()->delete_mark(mark.second);
}
flow_coverage_marks.clear();
if(exit_status == 0) {
boost::property_tree::ptree pt;
try {
boost::property_tree::read_json(*stdout_stream, pt);
auto uncovered_locs_pt = pt.get_child("expressions.uncovered_locs");
for(auto it = uncovered_locs_pt.begin(); it != uncovered_locs_pt.end(); ++it) {
auto start_pt = it->second.get_child("start");
auto start = get_iter_at_line_offset(start_pt.get<int>("line") - 1, start_pt.get<int>("column") - 1);
auto end_pt = it->second.get_child("end");
auto end = get_iter_at_line_offset(end_pt.get<int>("line") - 1, end_pt.get<int>("column"));
add_diagnostic_tooltip(start, end, flow_coverage_message, false);
++num_flow_coverage_warnings;
flow_coverage_marks.emplace_back(get_buffer()->create_mark(start), get_buffer()->create_mark(end));
}
}
catch(...) {
}
}
status_diagnostics = std::make_tuple(num_warnings + num_flow_coverage_warnings, num_errors, num_fix_its);
if(update_status_diagnostics)
update_status_diagnostics(this);
};
if(called_in_thread)
dispatcher.post(std::move(f));
else
f();
}