Now attempts to make compile_commands.json if its missing, also remake it after changes to CMakeLists.txt and reparses the open clang-files. Some work left on terminal-execute/run/compile etc functions (only execute and async_execute (last one for compiling and running) will remain).

src/notebook.cc

@@ -4,6 +4,9 @@
 #include "singletons.h"
 #include <fstream>
 
+#include <iostream> //TODO: remove
+using namespace std; //TODO: remove
+
 namespace sigc {
   SIGC_FUNCTORS_DEDUCE_RESULT_TYPE_WITH_DECLTYPE
 }
@@ -52,8 +55,12 @@ void Notebook::open(std::string path) {
     tmp_project_path=boost::filesystem::path(path).parent_path().string();
   }
   auto language=Source::guess_language(path);
-  if(language && (language->get_id()=="chdr" || language->get_id()=="c" || language->get_id()=="cpp" || language->get_id()=="objc"))
+  if(language && (language->get_id()=="chdr" || language->get_id()=="c" || language->get_id()=="cpp" || language->get_id()=="objc")) {
+    if(boost::filesystem::exists(tmp_project_path+"/CMakeLists.txt") && !boost::filesystem::exists(tmp_project_path+"/compile_commands.json")) {
+      make_compile_commands();
+    }
     source_views.emplace_back(new Source::ClangView(path, tmp_project_path));
+  }
   else
     source_views.emplace_back(new Source::GenericView(path, tmp_project_path, language));
     
@@ -102,10 +109,38 @@ bool Notebook::save(int page) {
     if(juci::filesystem::write(view->file_path, view->get_buffer())) {
       view->get_buffer()->set_modified(false);
       Singleton::terminal()->print("File saved to: " +view->file_path+"\n");
+      
+      //If CMakeLists.txt have been modified:
+      if(boost::filesystem::path(view->file_path).filename().string()=="CMakeLists.txt") {
+        if(make_compile_commands()) {
+          for(auto source_view: source_views) {
+            if(auto source_clang_view=dynamic_cast<Source::ClangView*>(source_view)) {
+              if(project_path==source_view->project_path) {
+                if(source_clang_view->restart_parse())
+                  Singleton::terminal()->print("Reparsing "+source_clang_view->file_path+"\n");
+                else
+                  Singleton::terminal()->print("Already reparsing "+source_clang_view->file_path+". Please reopen the file manually.\n");
+              }
+            }
+          }
+        }
+      }
+      
+      return true;
+    }
+    Singleton::terminal()->print("Error: could not save file " +view->file_path+"\n");
+  }
+  return false;
+}
+
+bool Notebook::make_compile_commands() {
+  if(project_path.size()>0) {
+    Singleton::terminal()->print("Creating "+boost::filesystem::path(project_path+"/compile_commands.json").string()+"\n");
+    if(Singleton::terminal()->execute(project_path, "cmake . -DCMAKE_EXPORT_COMPILE_COMMANDS=ON 2>&1")) {
+      //TODO: refresh directories
       return true;
     }
   }
-  Singleton::terminal()->print("Error: could not save file " +view->file_path+"\n");
   return false;
 }
 

src/notebook.h

@@ -22,6 +22,7 @@ public:
   std::string project_path;
       
 private:
+  bool make_compile_commands();
   bool save_modified_dialog();
   std::vector<Source::View*> source_views; //Is NOT freed in destructor, this is intended for quick program exit.
   std::vector<std::unique_ptr<Gtk::ScrolledWindow> > scrolled_windows;

src/source.cc

@@ -278,8 +278,7 @@ Source::GenericView::GenericView(const std::string& file_path, const std::string
 clang::Index Source::ClangViewParse::clang_index(0, 0);
 
 Source::ClangViewParse::ClangViewParse(const std::string& file_path, const std::string& project_path):
-Source::View(file_path, project_path),
-parse_thread_go(true), parse_thread_mapped(false), parse_thread_stop(false) {
+Source::View(file_path, project_path) {
   override_font(Pango::FontDescription(Singleton::Config::source()->font));
   override_background_color(Gdk::RGBA(Singleton::Config::source()->background));
   override_background_color(Gdk::RGBA(Singleton::Config::source()->background_selected), Gtk::StateFlags::STATE_FLAG_SELECTED);
@@ -308,6 +307,28 @@ parse_thread_go(true), parse_thread_mapped(false), parse_thread_stop(false) {
   }
   //TODO: clear tag_class and param_spec?
   
+  parsing_in_progress=Singleton::terminal()->print_in_progress("Parsing "+file_path);
+  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;
+  
+  
   int start_offset = get_source_buffer()->begin().get_offset();
   int end_offset = get_source_buffer()->end().get_offset();
   auto buffer_map=get_buffer_map();
@@ -340,7 +361,6 @@ parse_thread_go(true), parse_thread_mapped(false), parse_thread_stop(false) {
     parse_thread_go=true;
   });
   
-  parsing_in_progress=Singleton::terminal()->print_in_progress("Parsing "+file_path);
   parse_done.connect([this](){
     if(parse_thread_mapped) {
       if(parsing_mutex.try_lock()) {
@@ -361,6 +381,8 @@ parse_thread_go(true), parse_thread_mapped(false), parse_thread_stop(false) {
   });
   
   set_status("parsing...");
+  if(parse_thread.joinable())
+    parse_thread.join();
   parse_thread=std::thread([this]() {
     while(true) {
       while(!parse_thread_go && !parse_thread_stop)
@@ -380,14 +402,6 @@ parse_thread_go(true), parse_thread_mapped(false), parse_thread_stop(false) {
       }
     }
   });
-  
-  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::
@@ -1048,6 +1062,10 @@ Source::ClangView::ClangView(const std::string& file_path, const std::string& pr
       delete_thread.join();
     delete this;
   });
+  do_restart_parse.connect([this](){
+    init_parse();
+    restart_parse_running=false;
+  });
 }
 
 void Source::ClangView::delete_object() {
@@ -1055,10 +1073,30 @@ void Source::ClangView::delete_object() {
   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;
 }

src/source.h

@@ -91,13 +91,14 @@ namespace Source {
   public:
     ClangViewParse(const std::string& file_path, const std::string& project_path);
   protected:
+    void init_parse();
     void start_reparse();
     bool on_key_press_event(GdkEventKey* key);
     bool on_focus_out_event(GdkEventFocus* event);
     std::unique_ptr<clang::TranslationUnit> clang_tu;
     std::mutex parsing_mutex;
     std::unique_ptr<clang::Tokens> clang_tokens;
-    bool clang_readable=false;
+    bool clang_readable;
     sigc::connection delayed_reparse_connection;
     sigc::connection delayed_tooltips_connection;
     
@@ -169,9 +170,13 @@ namespace Source {
   public:
     ClangView(const std::string& file_path, const std::string& project_path);
     void delete_object();
+    bool restart_parse();
   private:
     Glib::Dispatcher do_delete_object;
+    Glib::Dispatcher do_restart_parse;
     std::thread delete_thread;
+    std::thread restart_parse_thread;
+    bool restart_parse_running=false;
   };
 };  // class Source
 #endif  // JUCI_SOURCE_H_

src/terminal.cc

@@ -56,6 +56,38 @@ Terminal::Terminal() {
   });
 }
 
+bool Terminal::execute(const std::string &path, const std::string &command) {
+  boost::filesystem::path boost_path;
+  if(path=="")
+    boost_path=boost::filesystem::current_path();
+  else
+    boost_path=boost::filesystem::path(path);
+  
+  auto cd_path_and_command="cd "+boost_path.string()+" 2>&1 && "+command;
+
+  FILE* p = NULL;
+  p = popen(cd_path_and_command.c_str(), "r");
+  if (p == NULL) {
+    print("Error: Failed to run command" + command + "\n");
+    return false;
+  }
+  else {
+    char buffer[1028];
+    while (fgets(buffer, 1028, p) != NULL) {
+      print(buffer);
+    }
+    int exit_code=pclose(p);
+    if(exit_code==0)
+      return true;
+    else
+      return false;
+  }
+}
+
+void Terminal::async_execute(const std::string &path, const std::string &command) {
+  
+}
+
 void Terminal::set_change_folder_command(boost::filesystem::path CMake_path) {
   INFO("Terminal: set_change_folder_command");
   path = CMake_path.string();

src/terminal.h

@@ -31,23 +31,25 @@ public:
   };
   
   Terminal();
-  void set_change_folder_command(boost::filesystem::path CMake_path);
-  void run(std::string executable);
-  void compile();
+  bool execute(const std::string &path, const std::string &command);
+  void async_execute(const std::string &path, const std::string &command);
+  void set_change_folder_command(boost::filesystem::path CMake_path); //TODO: remove
+  void run(std::string executable); //TODO: remove
+  void compile(); //TODO: remove
   int print(std::string message);
   void print(int line_nr, std::string message);
   std::shared_ptr<InProgress> print_in_progress(std::string start_msg);
 private:
-  void execute_command(std::string command, std::string mode);
+  void execute_command(std::string command, std::string mode); //TODO: remove
   
   Gtk::TextView text_view;
   Gtk::ScrolledWindow scrolled_window;
   
-  std::string change_folder_command;
-  std::string path;
-  const std::string cmake_sucsess = "Build files have been written to:";
-  const std::string make_built = "Built target";
-  const std::string make_executable = "Linking CXX executable";
+  std::string change_folder_command; //TODO: remove
+  std::string path; //TODO: remove
+  const std::string cmake_sucsess = "Build files have been written to:"; //TODO: remove
+  const std::string make_built = "Built target"; //TODO: remove
+  const std::string make_executable = "Linking CXX executable"; //TODO: remove
 };
 
 #endif  // JUCI_TERMINAL_H_

src/window.cc

@@ -5,6 +5,9 @@
 #include "config.h"
 #include "api.h"
 
+#include <iostream> //TODO: remove
+using namespace std; //TODO: remove
+
 namespace sigc {
   SIGC_FUNCTORS_DEDUCE_RESULT_TYPE_WITH_DECLTYPE
 }
@@ -82,6 +85,9 @@ Window::Window() : box(Gtk::ORIENTATION_VERTICAL) {
       Singleton::status()->set_text(notebook.get_current_view()->status);
     }
   });
+  notebook.signal_page_removed().connect([this](Gtk::Widget* page, guint page_num) {
+    entry_box.hide();
+  });
   INFO("Window created");
 } // Window constructor