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jucipp/src/source.cc

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#include "source.h"
#include "sourcefile.h"
#include <boost/property_tree/json_parser.hpp>
#include <boost/timer/timer.hpp>
#include "logging.h"
#include <algorithm>
#include <regex>
#include "singletons.h"
#include <gtksourceview/gtksource.h>
#include <boost/lexical_cast.hpp>
#include <iostream> //TODO: remove
using namespace std; //TODO: remove
namespace sigc {
SIGC_FUNCTORS_DEDUCE_RESULT_TYPE_WITH_DECLTYPE
}
Glib::RefPtr<Gsv::Language> Source::guess_language(const boost::filesystem::path &file_path) {
auto language_manager=Gsv::LanguageManager::get_default();
bool result_uncertain = false;
auto content_type = Gio::content_type_guess(file_path.string(), NULL, 0, result_uncertain);
if(result_uncertain) {
content_type.clear();
}
auto language=language_manager->guess_language(file_path.string(), content_type);
if(!language) {
auto filename=file_path.filename().string();
auto extension=file_path.extension();
if(filename=="CMakeLists.txt")
language=language_manager->get_language("cmake");
}
return language;
}
//////////////
//// View ////
//////////////
Source::View::View(const boost::filesystem::path &file_path): file_path(file_path) {
set_smart_home_end(Gsv::SMART_HOME_END_BEFORE);
get_source_buffer()->begin_not_undoable_action();
juci::filesystem::read(file_path, get_buffer());
get_source_buffer()->end_not_undoable_action();
get_buffer()->place_cursor(get_buffer()->get_iter_at_offset(0));
search_settings = gtk_source_search_settings_new();
gtk_source_search_settings_set_wrap_around(search_settings, true);
search_context = gtk_source_search_context_new(get_source_buffer()->gobj(), search_settings);
gtk_source_search_context_set_highlight(search_context, true);
//TODO: why does this not work?: Might be best to use the styles from sourceview. These has to be read from file, search-matches got style "search-match"
//TODO: in header if trying again: GtkSourceStyle* search_match_style;
//TODO: We can drop this, only work on newer versions of gtksourceview.
//search_match_style=(GtkSourceStyle*)g_object_new(GTK_SOURCE_TYPE_STYLE, "background-set", 1, "background", "#00FF00", NULL);
//gtk_source_search_context_set_match_style(search_context, search_match_style);
//TODO: either use lambda if possible or create a gtkmm wrapper around search_context (including search_settings):
//TODO: (gtkmm's Gtk::Object has connect_property_changed, so subclassing this might be an idea)
g_signal_connect(search_context, "notify::occurrences-count", G_CALLBACK(search_occurrences_updated), this);
//TODO: Move this to notebook? Might take up too much memory doing this for every tab.
auto style_scheme_manager=Gsv::StyleSchemeManager::get_default();
style_scheme_manager->prepend_search_path(Singleton::style_dir());
if(Singleton::Config::source()->style.size()>0) {
auto scheme = style_scheme_manager->get_scheme(Singleton::Config::source()->style);
if(scheme)
get_source_buffer()->set_style_scheme(scheme);
else
Singleton::terminal()->print("Error: Could not find gtksourceview style: "+Singleton::Config::source()->style+'\n');
}
property_highlight_current_line() = Singleton::Config::source()->highlight_current_line;
property_show_line_numbers() = Singleton::Config::source()->show_line_numbers;
if(Singleton::Config::source()->font.size()>0)
override_font(Pango::FontDescription(Singleton::Config::source()->font));
}
void Source::View::search_occurrences_updated(GtkWidget* widget, GParamSpec* property, gpointer data) {
auto view=(Source::View*)data;
if(view->update_search_occurrences)
view->update_search_occurrences(gtk_source_search_context_get_occurrences_count(view->search_context));
}
Source::View::~View() {
g_clear_object(&search_context);
g_clear_object(&search_settings);
}
void Source::View::search_highlight(const std::string &text, bool case_sensitive, bool regex) {
gtk_source_search_settings_set_case_sensitive(search_settings, case_sensitive);
gtk_source_search_settings_set_regex_enabled(search_settings, regex);
gtk_source_search_settings_set_search_text(search_settings, text.c_str());
search_occurrences_updated(NULL, NULL, this);
}
void Source::View::search_forward() {
Gtk::TextIter insert, selection_bound;
get_buffer()->get_selection_bounds(insert, selection_bound);
auto& start=selection_bound;
Gtk::TextIter match_start, match_end;
if(gtk_source_search_context_forward(search_context, start.gobj(), match_start.gobj(), match_end.gobj())) {
get_buffer()->select_range(match_start, match_end);
scroll_to(get_buffer()->get_insert());
}
}
void Source::View::search_backward() {
Gtk::TextIter insert, selection_bound;
get_buffer()->get_selection_bounds(insert, selection_bound);
auto &start=insert;
Gtk::TextIter match_start, match_end;
if(gtk_source_search_context_backward(search_context, start.gobj(), match_start.gobj(), match_end.gobj())) {
get_buffer()->select_range(match_start, match_end);
scroll_to(get_buffer()->get_insert());
}
}
void Source::View::replace_forward(const std::string &replacement) {
Gtk::TextIter insert, selection_bound;
get_buffer()->get_selection_bounds(insert, selection_bound);
auto &start=insert;
Gtk::TextIter match_start, match_end;
if(gtk_source_search_context_forward(search_context, start.gobj(), match_start.gobj(), match_end.gobj())) {
auto offset=match_start.get_offset();
gtk_source_search_context_replace(search_context, match_start.gobj(), match_end.gobj(), replacement.c_str(), replacement.size(), NULL);
get_buffer()->select_range(get_buffer()->get_iter_at_offset(offset), get_buffer()->get_iter_at_offset(offset+replacement.size()));
scroll_to(get_buffer()->get_insert());
}
}
void Source::View::replace_backward(const std::string &replacement) {
Gtk::TextIter insert, selection_bound;
get_buffer()->get_selection_bounds(insert, selection_bound);
auto &start=selection_bound;
Gtk::TextIter match_start, match_end;
if(gtk_source_search_context_backward(search_context, start.gobj(), match_start.gobj(), match_end.gobj())) {
auto offset=match_start.get_offset();
gtk_source_search_context_replace(search_context, match_start.gobj(), match_end.gobj(), replacement.c_str(), replacement.size(), NULL);
get_buffer()->select_range(get_buffer()->get_iter_at_offset(offset), get_buffer()->get_iter_at_offset(offset+replacement.size()));
scroll_to(get_buffer()->get_insert());
}
}
void Source::View::replace_all(const std::string &replacement) {
gtk_source_search_context_replace_all(search_context, replacement.c_str(), replacement.size(), NULL);
}
void Source::View::paste() {
Gtk::Clipboard::get()->request_text([this](const Glib::ustring& text){
const std::regex spaces_regex(std::string("^(")+Singleton::Config::source()->tab_char+"*)(.*)$");
auto line=get_line_before_insert();
std::smatch sm;
std::string prefix_tabs;
if(!get_buffer()->get_has_selection() && std::regex_match(line, sm, spaces_regex) && sm[2].str().size()==0) {
prefix_tabs=sm[1].str();
Glib::ustring::size_type start_line=0;
Glib::ustring::size_type end_line=0;
bool paste_line=false;
bool first_paste_line=true;
size_t paste_line_tabs=-1;
bool first_paste_line_has_tabs=false;
for(Glib::ustring::size_type c=0;c<text.size();c++) {;
if(text[c]=='\n') {
end_line=c;
paste_line=true;
}
else if(c==text.size()-1) {
end_line=c+1;
paste_line=true;
}
if(paste_line) {
std::string line=text.substr(start_line, end_line-start_line);
size_t tabs=0;
for(auto chr: line) {
if(chr==Singleton::Config::source()->tab_char)
tabs++;
else
break;
}
if(first_paste_line) {
if(tabs!=0) {
first_paste_line_has_tabs=true;
paste_line_tabs=tabs;
}
first_paste_line=false;
}
else
paste_line_tabs=std::min(paste_line_tabs, tabs);
start_line=end_line+1;
paste_line=false;
}
}
if(paste_line_tabs==(size_t)-1)
paste_line_tabs=0;
start_line=0;
end_line=0;
paste_line=false;
first_paste_line=true;
get_source_buffer()->begin_user_action();
for(Glib::ustring::size_type c=0;c<text.size();c++) {
if(text[c]=='\n') {
end_line=c;
paste_line=true;
}
else if(c==text.size()-1) {
end_line=c+1;
paste_line=true;
}
if(paste_line) {
if(first_paste_line) {
if(first_paste_line_has_tabs)
get_buffer()->insert_at_cursor(text.substr(start_line+paste_line_tabs, end_line-start_line-paste_line_tabs));
else
get_buffer()->insert_at_cursor(text.substr(start_line, end_line-start_line));
first_paste_line=false;
}
else
get_buffer()->insert_at_cursor('\n'+prefix_tabs+text.substr(start_line+paste_line_tabs, end_line-start_line-paste_line_tabs));
start_line=end_line+1;
paste_line=false;
}
}
get_buffer()->place_cursor(get_buffer()->get_insert()->get_iter());
scroll_to(get_buffer()->get_insert());
get_source_buffer()->end_user_action();
}
else
get_buffer()->paste_clipboard(Gtk::Clipboard::get());
});
}
void Source::View::set_status(const std::string &status) {
this->status=status;
if(on_update_status)
on_update_status(this, status);
}
string Source::View::get_line(size_t line_number) {
Gtk::TextIter line_it = get_source_buffer()->get_iter_at_line(line_number);
Gtk::TextIter line_end_it = line_it;
while(!line_end_it.ends_line())
line_end_it++;
std::string line(get_source_buffer()->get_text(line_it, line_end_it));
return line;
}
string Source::View::get_line_before_insert() {
Gtk::TextIter insert_it = get_source_buffer()->get_insert()->get_iter();
Gtk::TextIter line_it = get_source_buffer()->get_iter_at_line(insert_it.get_line());
std::string line(get_source_buffer()->get_text(line_it, insert_it));
return line;
}
//Basic indentation
bool Source::View::on_key_press_event(GdkEventKey* key) {
get_source_buffer()->begin_user_action();
auto config=Singleton::Config::source();
const std::regex spaces_regex(std::string("^(")+config->tab_char+"*).*$");
//Indent as in next or previous line
if(key->keyval==GDK_KEY_Return && key->state==0 && !get_buffer()->get_has_selection()) {
auto insert_it=get_buffer()->get_insert()->get_iter();
int line_nr=insert_it.get_line();
auto line=get_line_before_insert();
std::smatch sm;
if(std::regex_match(line, sm, spaces_regex)) {
if((line_nr+1)<get_buffer()->get_line_count()) {
string next_line=get_line(line_nr+1);
auto line_end_iter=get_buffer()->get_iter_at_line(line_nr+1);
line_end_iter--;
std::smatch sm2;
if(insert_it==line_end_iter && std::regex_match(next_line, sm2, spaces_regex)) {
if(sm2[1].str().size()>sm[1].str().size()) {
get_source_buffer()->insert_at_cursor("\n"+sm2[1].str());
scroll_to(get_source_buffer()->get_insert());
get_source_buffer()->end_user_action();
return true;
}
}
}
get_source_buffer()->insert_at_cursor("\n"+sm[1].str());
scroll_to(get_source_buffer()->get_insert());
get_source_buffer()->end_user_action();
return true;
}
}
//Indent right when clicking tab, no matter where in the line the cursor is. Also works on selected text.
else if(key->keyval==GDK_KEY_Tab && key->state==0) {
Gtk::TextIter selection_start, selection_end;
get_source_buffer()->get_selection_bounds(selection_start, selection_end);
int line_start=selection_start.get_line();
int line_end=selection_end.get_line();
for(int line=line_start;line<=line_end;line++) {
Gtk::TextIter line_it = get_source_buffer()->get_iter_at_line(line);
get_source_buffer()->insert(line_it, config->tab);
}
get_source_buffer()->end_user_action();
return true;
}
//Indent left when clicking shift-tab, no matter where in the line the cursor is. Also works on selected text.
else if((key->keyval==GDK_KEY_ISO_Left_Tab || key->keyval==GDK_KEY_Tab) && key->state==GDK_SHIFT_MASK) {
Gtk::TextIter selection_start, selection_end;
get_source_buffer()->get_selection_bounds(selection_start, selection_end);
int line_start=selection_start.get_line();
int line_end=selection_end.get_line();
unsigned indent_left_steps=config->tab_size;
for(int line_nr=line_start;line_nr<=line_end;line_nr++) {
string line=get_line(line_nr);
std::smatch sm;
if(std::regex_match(line, sm, spaces_regex) && sm[1].str().size()>0) {
indent_left_steps=std::min(indent_left_steps, (unsigned)sm[1].str().size());
}
else {
get_source_buffer()->end_user_action();
return true;
}
}
for(int line_nr=line_start;line_nr<=line_end;line_nr++) {
Gtk::TextIter line_it = get_source_buffer()->get_iter_at_line(line_nr);
Gtk::TextIter line_plus_it=line_it;
for(unsigned c=0;c<indent_left_steps;c++)
line_plus_it++;
get_source_buffer()->erase(line_it, line_plus_it);
}
get_source_buffer()->end_user_action();
return true;
}
//"Smart" backspace key
else if(key->keyval==GDK_KEY_BackSpace && !get_buffer()->get_has_selection()) {
auto insert_it=get_buffer()->get_insert()->get_iter();
int line_nr=insert_it.get_line();
auto line=get_line_before_insert();
std::smatch sm;
if(std::regex_match(line, sm, spaces_regex) && sm[1].str().size()==line.size()) {
if((line_nr-1)>=0) {
string previous_line=get_line(line_nr-1);
std::smatch sm2;
if(std::regex_match(previous_line, sm2, spaces_regex)) {
if(line.size()==sm2[1].str().size() || line.size()==sm2[1].str().size()+config->tab_size || line.size()==sm2[1].str().size()-config->tab_size) {
auto previous_line_end_it=insert_it;
for(unsigned c=0;c<line.size();c++)
previous_line_end_it--;
previous_line_end_it--;
get_source_buffer()->erase(previous_line_end_it, insert_it);
get_source_buffer()->end_user_action();
return true;
}
}
}
if(line.size()>=config->tab_size) {
auto insert_minus_tab_it=insert_it;
for(unsigned c=0;c<config->tab_size;c++)
insert_minus_tab_it--;
get_source_buffer()->erase(insert_minus_tab_it, insert_it);
get_source_buffer()->end_user_action();
return true;
}
}
}
bool stop=Gsv::View::on_key_press_event(key);
get_source_buffer()->end_user_action();
return stop;
}
/////////////////////
//// GenericView ////
/////////////////////
Source::GenericView::GenericView(const boost::filesystem::path &file_path, Glib::RefPtr<Gsv::Language> language) : View(file_path) {
if(language) {
get_source_buffer()->set_language(language);
Singleton::terminal()->print("Language for file "+file_path.string()+" set to "+language->get_name()+".\n");
}
auto completion=get_completion();
auto completion_words=Gsv::CompletionWords::create("", Glib::RefPtr<Gdk::Pixbuf>());
completion_words->register_provider(get_buffer());
completion->add_provider(completion_words);
completion->property_show_headers()=false;
completion->property_show_icons()=false;
completion->property_accelerators()=0;
}
////////////////////////
//// ClangViewParse ////
////////////////////////
clang::Index Source::ClangViewParse::clang_index(0, 0);
Source::ClangViewParse::ClangViewParse(const boost::filesystem::path &file_path, const boost::filesystem::path& project_path):
Source::View(file_path), project_path(project_path) {
auto scheme = get_source_buffer()->get_style_scheme();
for (auto &item : Singleton::Config::source()->clang_types) {
auto style = scheme->get_style(item.second);
auto tag = get_source_buffer()->create_tag(item.second);
if (style) {
DEBUG("Style " + item.second + " found in style " + scheme->get_name());
if (style->property_foreground_set())
tag->property_foreground() = style->property_foreground();
if (style->property_background_set())
tag->property_background() = style->property_background();
if (style->property_strikethrough_set())
tag->property_strikethrough() = style->property_strikethrough();
// // if (style->property_bold_set()) tag->property_weight() = style->property_bold();
// // if (style->property_italic_set()) tag->property_italic() = style->property_italic();
// // if (style->property_line_background_set()) tag->property_line_background() = style->property_line_background();
// // if (style->property_underline_set()) tag->property_underline() = style->property_underline();
} else
DEBUG("Style " + item.second + " not found in " + scheme->get_name());
}
INFO("Tagtable filled");
//Create tags for diagnostic warnings and errors:
auto style=scheme->get_style("def:warning");
auto diagnostic_tag=get_source_buffer()->create_tag("def:warning");
auto diagnostic_tag_underline=Gtk::TextTag::create("def:warning_underline");
if(style && (style->property_foreground_set() || style->property_background_set())) {
Glib::ustring warning_property;
if(style->property_foreground_set()) {
warning_property=style->property_foreground().get_value();
diagnostic_tag->property_foreground() = warning_property;
}
else if(style->property_background_set())
warning_property=style->property_background().get_value();
get_buffer()->get_tag_table()->add(diagnostic_tag_underline);
diagnostic_tag_underline->property_underline()=Pango::Underline::UNDERLINE_ERROR;
auto tag_class=G_OBJECT_GET_CLASS(diagnostic_tag_underline->gobj()); //For older GTK+ 3 versions:
auto param_spec=g_object_class_find_property(tag_class, "underline-rgba");
if(param_spec!=NULL) {
diagnostic_tag_underline->set_property("underline-rgba", Gdk::RGBA(warning_property));
}
}
style=scheme->get_style("def:error");
diagnostic_tag=get_source_buffer()->create_tag("def:error");
diagnostic_tag_underline=Gtk::TextTag::create("def:error_underline");
if(style && (style->property_foreground_set() || style->property_background_set())) {
Glib::ustring error_property;
if(style->property_foreground_set()) {
error_property=style->property_foreground().get_value();
diagnostic_tag->property_foreground() = error_property;
}
else if(style->property_background_set())
error_property=style->property_background().get_value();
get_buffer()->get_tag_table()->add(diagnostic_tag_underline);
diagnostic_tag_underline->property_underline()=Pango::Underline::UNDERLINE_ERROR;
auto tag_class=G_OBJECT_GET_CLASS(diagnostic_tag_underline->gobj()); //For older GTK+ 3 versions:
auto param_spec=g_object_class_find_property(tag_class, "underline-rgba");
if(param_spec!=NULL) {
diagnostic_tag_underline->set_property("underline-rgba", Gdk::RGBA(error_property));
}
}
//TODO: clear tag_class and param_spec?
//Add tooltip foreground and background
style = scheme->get_style("def:note");
auto note_tag=get_source_buffer()->create_tag("def:note_background");
if(style->property_background_set()) {
note_tag->property_background()=style->property_background();
}
note_tag=get_source_buffer()->create_tag("def:note");
if(style->property_foreground_set()) {
note_tag->property_foreground()=style->property_foreground();
}
parsing_in_progress=Singleton::terminal()->print_in_progress("Parsing "+file_path.string());
//GTK-calls must happen in main thread, so the parse_thread
//sends signals to the main thread that it is to call the following functions:
parse_start.connect([this]{
if(parse_thread_buffer_map_mutex.try_lock()) {
parse_thread_buffer_map=get_buffer_map();
parse_thread_mapped=true;
parse_thread_buffer_map_mutex.unlock();
}
parse_thread_go=true;
});
parse_done.connect([this](){
if(parse_thread_mapped) {
if(parsing_mutex.try_lock()) {
INFO("Updating syntax");
update_syntax();
update_diagnostics();
update_types();
clang_readable=true;
set_status("");
parsing_mutex.unlock();
INFO("Syntax updated");
}
parsing_in_progress->done("done");
}
else {
parse_thread_go=true;
}
});
init_parse();
get_buffer()->signal_changed().connect([this]() {
start_reparse();
type_tooltips.hide();
diagnostic_tooltips.hide();
});
get_buffer()->signal_mark_set().connect(sigc::mem_fun(*this, &Source::ClangViewParse::on_mark_set), false);
}
void Source::ClangViewParse::init_parse() {
type_tooltips.hide();
diagnostic_tooltips.hide();
get_buffer()->remove_all_tags(get_buffer()->begin(), get_buffer()->end());
clang_readable=false;
parse_thread_go=true;
parse_thread_mapped=false;
parse_thread_stop=false;
auto buffer_map=get_buffer_map();
//Remove includes for first parse for initial syntax highlighting
auto& str=buffer_map[file_path.string()];
std::size_t pos=0;
while((pos=str.find("#include", pos))!=std::string::npos) {
auto start_pos=pos;
pos=str.find('\n', pos+8);
if(pos==std::string::npos)
break;
if(start_pos==0 || str[start_pos-1]=='\n') {
str.replace(start_pos, pos-start_pos, pos-start_pos, ' ');
}
pos++;
}
init_syntax_highlighting(buffer_map);
update_syntax();
set_status("parsing...");
if(parse_thread.joinable())
parse_thread.join();
parse_thread=std::thread([this]() {
while(true) {
while(!parse_thread_go && !parse_thread_stop)
std::this_thread::sleep_for(std::chrono::milliseconds(10));
if(parse_thread_stop)
break;
if(!parse_thread_mapped) {
parse_thread_go=false;
parse_start();
}
else if (parse_thread_mapped && parsing_mutex.try_lock() && parse_thread_buffer_map_mutex.try_lock()) {
reparse(parse_thread_buffer_map);
parse_thread_go=false;
parsing_mutex.unlock();
parse_thread_buffer_map_mutex.unlock();
parse_done();
}
}
});
}
void Source::ClangViewParse::init_syntax_highlighting(const std::map<std::string, std::string> &buffers) {
std::vector<string> arguments = get_compilation_commands();
clang_tu = std::unique_ptr<clang::TranslationUnit>(new clang::TranslationUnit(clang_index,
file_path.string(),
arguments,
buffers));
clang_tokens=clang_tu->get_tokens(0, buffers.find(file_path.string())->second.size()-1);
}
std::map<std::string, std::string> Source::ClangViewParse::get_buffer_map() const {
std::map<std::string, std::string> buffer_map;
buffer_map[file_path.string()]=get_source_buffer()->get_text();
return buffer_map;
}
void Source::ClangViewParse::start_reparse() {
parse_thread_mapped=false;
clang_readable=false;
delayed_reparse_connection.disconnect();
delayed_reparse_connection=Glib::signal_timeout().connect([this]() {
clang_readable=false;
parse_thread_go=true;
set_status("parsing...");
return false;
}, 1000);
}
int Source::ClangViewParse::reparse(const std::map<std::string, std::string> &buffer) {
int status = clang_tu->ReparseTranslationUnit(buffer);
clang_tokens=clang_tu->get_tokens(0, parse_thread_buffer_map.find(file_path.string())->second.size()-1);
return status;
}
std::vector<std::string> Source::ClangViewParse::get_compilation_commands() {
clang::CompilationDatabase db(project_path.string());
clang::CompileCommands commands(file_path.string(), db);
std::vector<clang::CompileCommand> cmds = commands.get_commands();
std::vector<std::string> arguments;
for (auto &i : cmds) {
std::vector<std::string> lol = i.get_command_as_args();
for (size_t a = 1; a < lol.size()-4; a++) {
arguments.emplace_back(lol[a]);
}
}
if(file_path.extension()==".h") //TODO: temporary fix for .h-files (parse as c++)
arguments.emplace_back("-xc++");
return arguments;
}
void Source::ClangViewParse::update_syntax() {
std::vector<Source::Range> ranges;
for (auto &token : *clang_tokens) {
if(token.get_kind()==0) // PunctuationToken
ranges.emplace_back(token.offsets, (int) token.get_cursor().get_kind());
else if(token.get_kind()==1) // KeywordToken
ranges.emplace_back(token.offsets, 702);
else if(token.get_kind()==2) // IdentifierToken
ranges.emplace_back(token.offsets, (int) token.get_cursor().get_kind());
else if(token.get_kind()==3) // LiteralToken
ranges.emplace_back(token.offsets, 109);
else if(token.get_kind()==4) // CommentToken
ranges.emplace_back(token.offsets, 705);
}
if (ranges.empty() || ranges.size() == 0) {
return;
}
auto buffer = get_source_buffer();
for(auto &tag: last_syntax_tags)
buffer->remove_tag_by_name(tag, buffer->begin(), buffer->end());
last_syntax_tags.clear();
for (auto &range : ranges) {
auto type = boost::lexical_cast<std::string>(range.kind);
try {
last_syntax_tags.emplace(Singleton::Config::source()->clang_types.at(type));
} catch (std::exception) {
cout << range.kind << ": " << range.offsets.first.line << ", " << range.offsets.first.index << endl;
continue;
}
Gtk::TextIter begin_iter = buffer->get_iter_at_line_index(range.offsets.first.line-1, range.offsets.first.index-1);
Gtk::TextIter end_iter = buffer->get_iter_at_line_index(range.offsets.second.line-1, range.offsets.second.index-1);
buffer->apply_tag_by_name(Singleton::Config::source()->clang_types.at(type), begin_iter, end_iter);
}
}
void Source::ClangViewParse::update_diagnostics() {
diagnostic_tooltips.clear();
get_buffer()->remove_tag_by_name("def:warning_underline", get_buffer()->begin(), get_buffer()->end());
get_buffer()->remove_tag_by_name("def:error_underline", get_buffer()->begin(), get_buffer()->end());
auto diagnostics=clang_tu->get_diagnostics();
for(auto &diagnostic: diagnostics) {
if(diagnostic.path==file_path.string()) {
auto start=get_buffer()->get_iter_at_line_index(diagnostic.offsets.first.line-1, diagnostic.offsets.first.index-1);
auto end=get_buffer()->get_iter_at_line_index(diagnostic.offsets.second.line-1, diagnostic.offsets.second.index-1);
std::string diagnostic_tag_name;
if(diagnostic.severity<=CXDiagnostic_Warning)
diagnostic_tag_name="def:warning";
else
diagnostic_tag_name="def:error";
auto spelling=diagnostic.spelling;
auto severity_spelling=diagnostic.severity_spelling;
auto create_tooltip_buffer=[this, spelling, severity_spelling, diagnostic_tag_name]() {
auto tooltip_buffer=Gtk::TextBuffer::create(get_buffer()->get_tag_table());
tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), severity_spelling, diagnostic_tag_name);
tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), ":\n"+spelling, "def:note");
//TODO: Insert newlines to clang_tu->diagnostics[c].spelling (use 80 chars, then newline?)
return tooltip_buffer;
};
diagnostic_tooltips.emplace_back(create_tooltip_buffer, *this, get_buffer()->create_mark(start), get_buffer()->create_mark(end));
get_buffer()->apply_tag_by_name(diagnostic_tag_name+"_underline", start, end);
}
}
}
void Source::ClangViewParse::update_types() {
type_tooltips.clear();
for(auto &token: *clang_tokens) {
if(token.get_kind()==clang::Token_Identifier && token.has_type()) {
auto start=get_buffer()->get_iter_at_line_index(token.offsets.first.line-1, token.offsets.first.index-1);
auto end=get_buffer()->get_iter_at_line_index(token.offsets.second.line-1, token.offsets.second.index-1);
auto create_tooltip_buffer=[this, &token]() {
auto tooltip_buffer=Gtk::TextBuffer::create(get_buffer()->get_tag_table());
tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), "Type: "+token.get_type(), "def:note");
auto brief_comment=token.get_brief_comments();
if(brief_comment!="")
tooltip_buffer->insert_with_tag(tooltip_buffer->get_insert()->get_iter(), "\n\n"+brief_comment, "def:note");
return tooltip_buffer;
};
type_tooltips.emplace_back(create_tooltip_buffer, *this, get_buffer()->create_mark(start), get_buffer()->create_mark(end));
}
}
}
bool Source::ClangViewParse::on_motion_notify_event(GdkEventMotion* event) {
delayed_tooltips_connection.disconnect();
if(clang_readable && event->state==0) {
Gdk::Rectangle rectangle(event->x, event->y, 1, 1);
Tooltips::init();
type_tooltips.show(rectangle);
diagnostic_tooltips.show(rectangle);
}
else {
type_tooltips.hide();
diagnostic_tooltips.hide();
}
return Source::View::on_motion_notify_event(event);
}
void Source::ClangViewParse::on_mark_set(const Gtk::TextBuffer::iterator& iterator, const Glib::RefPtr<Gtk::TextBuffer::Mark>& mark) {
if(get_buffer()->get_has_selection() && mark->get_name()=="selection_bound")
delayed_tooltips_connection.disconnect();
if(mark->get_name()=="insert") {
delayed_tooltips_connection.disconnect();
delayed_tooltips_connection=Glib::signal_timeout().connect([this]() {
if(clang_readable) {
Gdk::Rectangle rectangle;
get_iter_location(get_buffer()->get_insert()->get_iter(), rectangle);
int location_window_x, location_window_y;
buffer_to_window_coords(Gtk::TextWindowType::TEXT_WINDOW_TEXT, rectangle.get_x(), rectangle.get_y(), location_window_x, location_window_y);
rectangle.set_x(location_window_x-2);
rectangle.set_y(location_window_y);
rectangle.set_width(4);
Tooltips::init();
type_tooltips.show(rectangle);
diagnostic_tooltips.show(rectangle);
}
return false;
}, 500);
type_tooltips.hide();
diagnostic_tooltips.hide();
}
}
bool Source::ClangViewParse::on_focus_out_event(GdkEventFocus* event) {
delayed_tooltips_connection.disconnect();
type_tooltips.hide();
diagnostic_tooltips.hide();
return Source::View::on_focus_out_event(event);
}
bool Source::ClangViewParse::on_scroll_event(GdkEventScroll* event) {
delayed_tooltips_connection.disconnect();
type_tooltips.hide();
diagnostic_tooltips.hide();
return Source::View::on_scroll_event(event);
}
//Clang indentation
//TODO: replace indentation methods with a better implementation or maybe use libclang
bool Source::ClangViewParse::on_key_press_event(GdkEventKey* key) {
if(get_buffer()->get_has_selection()) {
return Source::View::on_key_press_event(key);
}
get_source_buffer()->begin_user_action();
auto config=Singleton::Config::source();
const std::regex bracket_regex(std::string("^(")+config->tab_char+"*).*\\{ *$");
const std::regex no_bracket_statement_regex(std::string("^(")+config->tab_char+"*)(if|for|else if|catch|while) *\\(.*[^;}] *$");
const std::regex no_bracket_no_para_statement_regex(std::string("^(")+config->tab_char+"*)(else|try|do) *$");
const std::regex spaces_regex(std::string("^(")+config->tab_char+"*).*$");
//Indent depending on if/else/etc and brackets
if(key->keyval==GDK_KEY_Return && key->state==0) {
string line(get_line_before_insert());
std::smatch sm;
if(std::regex_match(line, sm, bracket_regex)) {
int line_nr=get_source_buffer()->get_insert()->get_iter().get_line();
if((line_nr+1)<get_source_buffer()->get_line_count()) {
string next_line=get_line(line_nr+1);
std::smatch sm2;
if(std::regex_match(next_line, sm2, spaces_regex)) {
if(sm2[1].str()==sm[1].str()+config->tab) {
get_source_buffer()->insert_at_cursor("\n"+sm[1].str()+config->tab);
scroll_to(get_source_buffer()->get_insert());
get_source_buffer()->end_user_action();
return true;
}
}
if(next_line!=sm[1].str()+"}") {
get_source_buffer()->insert_at_cursor("\n"+sm[1].str()+config->tab+"\n"+sm[1].str()+"}");
auto insert_it = get_source_buffer()->get_insert()->get_iter();
for(size_t c=0;c<config->tab_size+sm[1].str().size();c++)
insert_it--;
scroll_to(get_source_buffer()->get_insert());
get_source_buffer()->place_cursor(insert_it);
get_source_buffer()->end_user_action();
return true;
}
else {
get_source_buffer()->insert_at_cursor("\n"+sm[1].str()+config->tab);
scroll_to(get_source_buffer()->get_insert());
get_source_buffer()->end_user_action();
return true;
}
}
}
else if(std::regex_match(line, sm, no_bracket_statement_regex)) {
get_source_buffer()->insert_at_cursor("\n"+sm[1].str()+config->tab);
scroll_to(get_source_buffer()->get_insert());
get_source_buffer()->end_user_action();
return true;
}
else if(std::regex_match(line, sm, no_bracket_no_para_statement_regex)) {
get_source_buffer()->insert_at_cursor("\n"+sm[1].str()+config->tab);
scroll_to(get_source_buffer()->get_insert());
get_source_buffer()->end_user_action();
return true;
}
else if(std::regex_match(line, sm, spaces_regex)) {
std::smatch sm2;
size_t line_nr=get_source_buffer()->get_insert()->get_iter().get_line();
if(line_nr>0 && sm[1].str().size()>=config->tab_size) {
string previous_line=get_line(line_nr-1);
if(!std::regex_match(previous_line, sm2, bracket_regex)) {
if(std::regex_match(previous_line, sm2, no_bracket_statement_regex)) {
get_source_buffer()->insert_at_cursor("\n"+sm2[1].str());
scroll_to(get_source_buffer()->get_insert());
get_source_buffer()->end_user_action();
return true;
}
else if(std::regex_match(previous_line, sm2, no_bracket_no_para_statement_regex)) {
get_source_buffer()->insert_at_cursor("\n"+sm2[1].str());
scroll_to(get_source_buffer()->get_insert());
get_source_buffer()->end_user_action();
return true;
}
}
}
}
}
//Indent left when writing } on a new line
else if(key->keyval==GDK_KEY_braceright) {
string line=get_line_before_insert();
if(line.size()>=config->tab_size) {
for(auto c: line) {
if(c!=config->tab_char) {
get_source_buffer()->end_user_action();
return Source::View::on_key_press_event(key);
}
}
Gtk::TextIter insert_it = get_source_buffer()->get_insert()->get_iter();
Gtk::TextIter line_it = get_source_buffer()->get_iter_at_line(insert_it.get_line());
Gtk::TextIter line_plus_it=line_it;
for(unsigned c=0;c<config->tab_size;c++)
line_plus_it++;
get_source_buffer()->erase(line_it, line_plus_it);
}
get_source_buffer()->end_user_action();
return Source::View::on_key_press_event(key);
}
get_source_buffer()->end_user_action();
return Source::View::on_key_press_event(key);
}
//////////////////////////////
//// ClangViewAutocomplete ///
//////////////////////////////
Source::ClangViewAutocomplete::ClangViewAutocomplete(const boost::filesystem::path &file_path, const boost::filesystem::path& project_path):
Source::ClangViewParse(file_path, project_path), autocomplete_cancel_starting(false) {
get_buffer()->signal_changed().connect([this](){
if(completion_dialog_shown)
delayed_reparse_connection.disconnect();
start_autocomplete();
});
get_buffer()->signal_mark_set().connect([this](const Gtk::TextBuffer::iterator& iterator, const Glib::RefPtr<Gtk::TextBuffer::Mark>& mark){
if(mark->get_name()=="insert") {
autocomplete_cancel_starting=true;
if(completion_dialog_shown) {
completion_dialog->hide();
}
}
});
signal_scroll_event().connect([this](GdkEventScroll* event){
if(completion_dialog_shown)
completion_dialog->hide();
return false;
}, false);
signal_key_release_event().connect([this](GdkEventKey* key){
if(completion_dialog_shown) {
if(completion_dialog->on_key_release(key))
return true;
}
return false;
}, false);
}
bool Source::ClangViewAutocomplete::on_key_press_event(GdkEventKey *key) {
last_keyval=key->keyval;
if(completion_dialog_shown) {
if(completion_dialog->on_key_press(key))
return true;
}
return ClangViewParse::on_key_press_event(key);
}
bool Source::ClangViewAutocomplete::on_focus_out_event(GdkEventFocus* event) {
autocomplete_cancel_starting=true;
if(completion_dialog_shown) {
completion_dialog->hide();
}
return Source::ClangViewParse::on_focus_out_event(event);
}
void Source::ClangViewAutocomplete::start_autocomplete() {
if(!has_focus())
return;
if(!((last_keyval>='0' && last_keyval<='9') ||
(last_keyval>='a' && last_keyval<='z') || (last_keyval>='A' && last_keyval<='Z') ||
last_keyval=='_' || last_keyval=='>' || last_keyval=='.' || last_keyval==':')) {
autocomplete_cancel_starting=true;
return;
}
std::string line=" "+get_line_before_insert();
if((std::count(line.begin(), line.end(), '\"')%2)!=1 && line.find("//")==std::string::npos) {
const std::regex in_specified_namespace("^(.*[a-zA-Z0-9_\\)])(->|\\.|::)([a-zA-Z0-9_]*)$");
const std::regex within_namespace("^(.*)([^a-zA-Z0-9_]+)([a-zA-Z0-9_]{3,})$");
std::smatch sm;
if(std::regex_match(line, sm, in_specified_namespace)) {
prefix_mutex.lock();
prefix=sm[3].str();
prefix_mutex.unlock();
if((prefix.size()==0 || prefix[0]<'0' || prefix[0]>'9') && !autocomplete_starting && !completion_dialog_shown) {
autocomplete();
}
else if(last_keyval=='.' && autocomplete_starting)
autocomplete_cancel_starting=true;
}
else if(std::regex_match(line, sm, within_namespace)) {
prefix_mutex.lock();
prefix=sm[3].str();
prefix_mutex.unlock();
if((prefix.size()==0 || prefix[0]<'0' || prefix[0]>'9') && !autocomplete_starting && !completion_dialog_shown) {
autocomplete();
}
}
else
autocomplete_cancel_starting=true;
if(autocomplete_starting || completion_dialog_shown)
delayed_reparse_connection.disconnect();
}
}
void Source::ClangViewAutocomplete::autocomplete() {
if(!autocomplete_starting) {
autocomplete_starting=true;
autocomplete_cancel_starting=false;
INFO("Source::ClangViewAutocomplete::autocomplete getting autocompletions");
std::shared_ptr<std::vector<Source::AutoCompleteData> > ac_data=std::make_shared<std::vector<Source::AutoCompleteData> >();
autocomplete_done_connection.disconnect();
autocomplete_done_connection=autocomplete_done.connect([this, ac_data](){
autocomplete_starting=false;
if(!autocomplete_cancel_starting) {
auto start_iter=get_buffer()->get_insert()->get_iter();
for(size_t c=0;c<prefix.size();c++)
start_iter--;
completion_dialog=std::unique_ptr<CompletionDialog>(new CompletionDialog(*this, get_buffer()->create_mark(start_iter)));
auto rows=std::make_shared<std::unordered_map<std::string, std::string> >();
completion_dialog->on_hide=[this](){
start_reparse();
get_source_buffer()->end_user_action();
completion_dialog_shown=false;
};
completion_dialog->on_select=[this, rows](const std::string& selected, bool hide_window) {
auto row = rows->at(selected);
get_buffer()->erase(completion_dialog->start_mark->get_iter(), get_buffer()->get_insert()->get_iter());
get_buffer()->insert(completion_dialog->start_mark->get_iter(), row);
if(hide_window) {
char find_char=row.back();
if(find_char==')' || find_char=='>') {
if(find_char==')')
find_char='(';
else
find_char='<';
size_t pos=row.find(find_char);
if(pos!=std::string::npos) {
auto start_offset=completion_dialog->start_mark->get_iter().get_offset()+pos+1;
auto end_offset=completion_dialog->start_mark->get_iter().get_offset()+row.size()-1;
if(start_offset!=end_offset)
get_buffer()->select_range(get_buffer()->get_iter_at_offset(start_offset), get_buffer()->get_iter_at_offset(end_offset));
}
}
}
};
for (auto &data : *ac_data) {
std::stringstream ss;
std::string return_value;
for (auto &chunk : data.chunks) {
switch (chunk.kind) {
case clang::CompletionChunk_ResultType:
return_value = chunk.chunk;
break;
case clang::CompletionChunk_Informative: break;
default: ss << chunk.chunk; break;
}
}
auto ss_str=ss.str();
if (ss_str.length() > 0) { // if length is 0 the result is empty
(*rows)[ss.str() + " --> " + return_value] = ss_str;
completion_dialog->add_row(ss.str() + " --> " + return_value, data.brief_comments);
}
}
set_status("");
if (!rows->empty()) {
completion_dialog_shown=true;
get_source_buffer()->begin_user_action();
completion_dialog->show();
}
}
else {
set_status("");
start_autocomplete();
}
});
std::shared_ptr<std::map<std::string, std::string> > buffer_map=std::make_shared<std::map<std::string, std::string> >();
auto& buffer=(*buffer_map)[this->file_path.string()];
buffer=get_buffer()->get_text(get_buffer()->begin(), get_buffer()->get_insert()->get_iter());
auto iter = get_source_buffer()->get_insert()->get_iter();
auto line_nr=iter.get_line()+1;
auto column_nr=iter.get_line_offset()+1;
while((buffer.back()>='a' && buffer.back()<='z') || (buffer.back()>='A' && buffer.back()<='Z') || (buffer.back()>='0' && buffer.back()<='9') || buffer.back()=='_') {
buffer.pop_back();
column_nr--;
}
buffer+="\n";
set_status("autocomplete...");
if(autocomplete_thread.joinable())
autocomplete_thread.join();
autocomplete_thread=std::thread([this, ac_data, line_nr, column_nr, buffer_map](){
parsing_mutex.lock();
*ac_data=move(get_autocomplete_suggestions(line_nr, column_nr, *buffer_map));
autocomplete_done();
parsing_mutex.unlock();
});
}
}
std::vector<Source::AutoCompleteData> Source::ClangViewAutocomplete::
get_autocomplete_suggestions(int line_number, int column, std::map<std::string, std::string>& buffer_map) {
INFO("Getting auto complete suggestions");
std::vector<Source::AutoCompleteData> suggestions;
auto results=clang_tu->get_code_completions(buffer_map, line_number, column);
if(!autocomplete_cancel_starting) {
prefix_mutex.lock();
auto prefix_copy=prefix;
prefix_mutex.unlock();
for (unsigned i = 0; i < results.size(); i++) {
auto result=results.get(i);
if(result.available()) {
auto chunks=result.get_chunks();
bool match=false;
for(auto &chunk: chunks) {
if(chunk.kind!=clang::CompletionChunk_ResultType && chunk.kind!=clang::CompletionChunk_Informative) {
if(chunk.chunk.size()>=prefix_copy.size() && chunk.chunk.compare(0, prefix_copy.size(), prefix_copy)==0)
match=true;
break;
}
}
if(match) {
suggestions.emplace_back(std::move(chunks));
suggestions.back().brief_comments=result.get_brief_comments();
}
}
}
}
DEBUG("Number of suggestions");
DEBUG_VAR(suggestions.size());
return suggestions;
}
////////////////////////////
//// ClangViewRefactor /////
////////////////////////////
Source::ClangViewRefactor::ClangViewRefactor(const boost::filesystem::path &file_path, const boost::filesystem::path& project_path):
Source::ClangViewAutocomplete(file_path, project_path) {
similar_tokens_tag=get_buffer()->create_tag();
similar_tokens_tag->property_weight()=Pango::WEIGHT_BOLD;
get_buffer()->signal_changed().connect([this]() {
if(!renaming && last_similar_tokens_tagged!="") {
get_buffer()->remove_tag(similar_tokens_tag, get_buffer()->begin(), get_buffer()->end());
last_similar_tokens_tagged="";
}
});
get_token=[this]() -> std::string {
if(clang_readable) {
auto iter=get_buffer()->get_insert()->get_iter();
auto line=(unsigned)iter.get_line();
auto index=(unsigned)iter.get_line_index();
for(auto &token: *clang_tokens) {
if(token.get_kind()==clang::Token_Identifier && token.has_type()) {
if(line==token.offsets.first.line-1 && index>=token.offsets.first.index-1 && index <=token.offsets.second.index-1) {
auto referenced=token.get_cursor().get_referenced();
if(referenced)
return referenced.get_usr();
}
}
}
}
return "";
};
get_token_name=[this]() -> std::string {
if(clang_readable) {
auto iter=get_buffer()->get_insert()->get_iter();
auto line=(unsigned)iter.get_line();
auto index=(unsigned)iter.get_line_index();
for(auto &token: *clang_tokens) {
if(token.get_kind()==clang::Token_Identifier && token.has_type()) {
if(line==token.offsets.first.line-1 && index>=token.offsets.first.index-1 && index <=token.offsets.second.index-1) {
return token.get_spelling();
}
}
}
}
return "";
};
tag_similar_tokens=[this](const std::string &usr){
if(clang_readable) {
if(usr.size()>0 && last_similar_tokens_tagged!=usr) {
get_buffer()->remove_tag(similar_tokens_tag, get_buffer()->begin(), get_buffer()->end());
auto offsets=clang_tokens->get_similar_token_offsets(usr);
for(auto &offset: offsets) {
get_buffer()->apply_tag(similar_tokens_tag, get_buffer()->get_iter_at_line_index(offset.first.line-1, offset.first.index-1), get_buffer()->get_iter_at_line_index(offset.second.line-1, offset.second.index-1));
}
last_similar_tokens_tagged=usr;
}
}
if(usr.size()==0 && last_similar_tokens_tagged!="") {
get_buffer()->remove_tag(similar_tokens_tag, get_buffer()->begin(), get_buffer()->end());
last_similar_tokens_tagged="";
}
};
rename_similar_tokens=[this](const std::string &usr, const std::string &text) {
size_t number=0;
if(clang_readable) {
auto offsets=clang_tokens->get_similar_token_offsets(usr);
std::vector<std::pair<Glib::RefPtr<Gtk::TextMark>, Glib::RefPtr<Gtk::TextMark> > > marks;
for(auto &offset: offsets) {
marks.emplace_back(get_buffer()->create_mark(get_buffer()->get_iter_at_line_index(offset.first.line-1, offset.first.index-1)), get_buffer()->create_mark(get_buffer()->get_iter_at_line_index(offset.second.line-1, offset.second.index-1)));
number++;
}
get_source_buffer()->begin_user_action();
for(auto &mark: marks) {
renaming=true;
get_buffer()->erase(mark.first->get_iter(), mark.second->get_iter());
get_buffer()->insert_with_tag(mark.first->get_iter(), text, similar_tokens_tag);
get_buffer()->delete_mark(mark.first);
get_buffer()->delete_mark(mark.second);
}
get_source_buffer()->end_user_action();
renaming=false;
}
return number;
};
get_buffer()->signal_mark_set().connect([this](const Gtk::TextBuffer::iterator& iterator, const Glib::RefPtr<Gtk::TextBuffer::Mark>& mark){
if(mark->get_name()=="insert") {
auto usr=get_token();
tag_similar_tokens(usr);
}
});
get_declaration_location=[this](){
std::pair<std::string, clang::Offset> location;
if(clang_readable) {
auto iter=get_buffer()->get_insert()->get_iter();
auto line=(unsigned)iter.get_line();
auto index=(unsigned)iter.get_line_index();
for(auto &token: *clang_tokens) {
if(token.get_kind()==clang::Token_Identifier && token.has_type()) {
if(line==token.offsets.first.line-1 && index>=token.offsets.first.index-1 && index <=token.offsets.second.index-1) {
auto referenced=token.get_cursor().get_referenced();
if(referenced) {
location.first=referenced.get_source_location().get_path();
location.second=referenced.get_source_location().get_offset();
break;
}
}
}
}
}
return location;
};
goto_method=[this](){
if(clang_readable) {
selection_dialog=std::unique_ptr<SelectionDialog>(new SelectionDialog(*this, get_buffer()->create_mark(get_buffer()->get_insert()->get_iter())));
auto rows=std::make_shared<std::unordered_map<std::string, clang::Offset> >();
auto methods=clang_tokens->get_cxx_methods();
if(methods.size()==0)
return;
for(auto &method: methods) {
(*rows)[method.first]=method.second;
selection_dialog->add_row(method.first);
}
//TODO see if rows gets destroyed when selection_dialog gets destroyed.
selection_dialog->on_select=[this, rows](const std::string& selected, bool hide_window) {
auto offset=rows->at(selected);
get_buffer()->place_cursor(get_buffer()->get_iter_at_line_index(offset.line-1, offset.index-1));
scroll_to(get_buffer()->get_insert(), 0.0, 1.0, 0.5);
delayed_tooltips_connection.disconnect();
};
selection_dialog->show();
}
};
}
Source::ClangView::ClangView(const boost::filesystem::path &file_path, const boost::filesystem::path& project_path): ClangViewRefactor(file_path, project_path) {
do_delete_object.connect([this](){
if(delete_thread.joinable())
delete_thread.join();
delete this;
});
do_restart_parse.connect([this](){
init_parse();
restart_parse_running=false;
});
}
void Source::ClangView::async_delete() {
parsing_in_progress->cancel("canceled, freeing resources in the background");
parse_thread_stop=true;
delete_thread=std::thread([this](){
//TODO: Is it possible to stop the clang-process in progress?
if(restart_parse_thread.joinable())
restart_parse_thread.join();
if(parse_thread.joinable())
parse_thread.join();
if(autocomplete_thread.joinable())
autocomplete_thread.join();
do_delete_object();
});
}
bool Source::ClangView::restart_parse() {
if(!restart_parse_running) {
restart_parse_running=true;
parse_thread_stop=true;
if(restart_parse_thread.joinable())
restart_parse_thread.join();
restart_parse_thread=std::thread([this](){
if(parse_thread.joinable())
parse_thread.join();
if(autocomplete_thread.joinable())
autocomplete_thread.join();
do_restart_parse();
});
return true;
}
return false;
}