Added compile and run support for Julia

docs/language_servers.md

@@ -4,6 +4,7 @@
 - [Python3](#python3)
 - [Rust](#rust)
 - [Go](#go)
+- [Julia](#julia)
 - [GLSL](#glsl)
 
 ## JavaScript/TypeScript
@@ -110,6 +111,34 @@ ln -s `which gopls` /usr/local/bin/go-language-server
 - Additional setup within a Go project:
   - Add an empty `.go-format` file to enable style format on save
 
+## Julia
+
+- Prerequisites:
+  - [Julia](https://julialang.org/downloads/)
+
+Install language server, and create symbolic link to enable server in juCi++:
+
+```sh
+julia -e 'using Pkg;Pkg.add("LanguageServer");Pkg.add("SymbolServer");Pkg.add("StaticLint");'
+
+# Usually as root:
+echo '#!/bin/sh
+julia --startup-file=no --history-file=no -e '\''
+using LanguageServer;
+using Pkg;
+import StaticLint;
+import SymbolServer;
+env_path = dirname(Pkg.Types.Context().env.project_file);
+server = LanguageServer.LanguageServerInstance(stdin, stdout, env_path, "");
+server.runlinter = true;
+run(server);
+'\''' > /usr/local/bin/julia-language-server
+chmod 755 /usr/local/bin/julia-language-server
+```
+
+- Additional setup within a Julia project:
+  - Add an empty `.julia-format` file to enable style format on save
+
 ## GLSL
 
 Install language server, and create a script to enable server in juCi++:

src/project.cpp

@@ -184,6 +184,8 @@ std::shared_ptr<Project::Base> Project::create() {
         return std::shared_ptr<Project::Base>(new Project::HTML(std::move(build)));
       if(language_id == "go")
         return std::shared_ptr<Project::Base>(new Project::Go(std::move(build)));
+      if(language_id == "julia")
+        return std::shared_ptr<Project::Base>(new Project::Julia(std::move(build)));
     }
   }
   else
@@ -853,15 +855,12 @@ void Project::Python::compile_and_run() {
     command += filesystem::get_short_path(build->project_path).string();
     path = build->project_path;
   }
-  else {
-    auto view = Notebook::get().get_current_view();
-    if(!view) {
-      Info::get().print("No executable found");
-      return;
-    }
+  else if(auto view = Notebook::get().get_current_view()) {
     command += filesystem::escape_argument(filesystem::get_short_path(view->file_path).string());
     path = view->file_path.parent_path();
   }
+  else
+    return;
 
   if(Config::get().terminal.clear_on_compile)
     Terminal::get().clear();
@@ -879,15 +878,12 @@ void Project::JavaScript::compile_and_run() {
     command = "npm start";
     path = build->project_path;
   }
-  else {
-    auto view = Notebook::get().get_current_view();
-    if(!view) {
-      Info::get().print("No executable found");
-      return;
-    }
+  else if(auto view = Notebook::get().get_current_view()) {
     command = "node " + filesystem::escape_argument(filesystem::get_short_path(view->file_path).string());
     path = view->file_path.parent_path();
   }
+  else
+    return;
 
   if(Config::get().terminal.clear_on_compile)
     Terminal::get().clear();
@@ -967,21 +963,33 @@ void Project::Go::compile_and_run() {
     command = "go run .";
     path = build->project_path;
   }
-  else {
-    auto view = Notebook::get().get_current_view();
-    if(!view) {
-      Info::get().print("No executable found");
-      return;
-    }
+  else if(auto view = Notebook::get().get_current_view()) {
     command = "go run " + filesystem::escape_argument(filesystem::get_short_path(view->file_path).string());
     path = view->file_path.parent_path();
   }
+  else
+    return;
 
   if(Config::get().terminal.clear_on_compile)
     Terminal::get().clear();
 
   Terminal::get().print("\e[2mRunning: " + command + "\e[m\n");
-  Terminal::get().async_process(command, build->project_path, [command](int exit_status) {
+  Terminal::get().async_process(command, path, [command](int exit_status) {
     Terminal::get().print("\e[2m" + command + " returned: " + (exit_status == 0 ? "\e[32m" : "\e[31m") + std::to_string(exit_status) + "\e[m\n");
   });
 }
+
+void Project::Julia::compile_and_run() {
+  if(auto view = Notebook::get().get_current_view()) {
+    auto command = "julia " + filesystem::escape_argument(filesystem::get_short_path(Notebook::get().get_current_view()->file_path).string());
+    auto path = view->file_path.parent_path();
+
+    if(Config::get().terminal.clear_on_compile)
+      Terminal::get().clear();
+
+    Terminal::get().print("\e[2mRunning: " + command + "\e[m\n");
+    Terminal::get().async_process(command, path, [command](int exit_status) {
+      Terminal::get().print("\e[2m" + command + " returned: " + (exit_status == 0 ? "\e[32m" : "\e[31m") + std::to_string(exit_status) + "\e[m\n");
+    });
+  }
+}

src/project.hpp

@@ -171,6 +171,15 @@ namespace Project {
     std::string get_language_id() override { return "go"; }
   };
 
+  class Julia : public LanguageProtocol {
+  public:
+    Julia(std::unique_ptr<Build> &&build) : Base(std::move(build)) {}
+
+    void compile_and_run() override;
+
+    std::string get_language_id() override { return "julia"; }
+  };
+
   std::shared_ptr<Base> create();
   extern std::shared_ptr<Base> current;
 }; // namespace Project

src/source.cpp

@@ -224,7 +224,8 @@ Source::View::View(const boost::filesystem::path &file_path, const Glib::RefPtr<
     if(language_id == "cmake" || language_id == "makefile" || language_id == "python" ||
        language_id == "python3" || language_id == "sh" || language_id == "perl" ||
        language_id == "ruby" || language_id == "r" || language_id == "asm" ||
-       language_id == "automake" || language_id == "yaml" || language_id == "docker")
+       language_id == "automake" || language_id == "yaml" || language_id == "docker" ||
+       language_id == "julia")
       comment_characters = "#";
     else if(language_id == "latex" || language_id == "matlab" || language_id == "octave" || language_id == "bibtex")
       comment_characters = "%";

src/source_base.cpp

@@ -291,11 +291,12 @@ Source::BaseView::BaseView(const boost::filesystem::path &file_path, const Glib:
   tab_char = Config::get().source.default_tab_char;
   tab_size = Config::get().source.default_tab_size;
   if(language) {
-    if(language->get_id() == "python" || language->get_id() == "rust") {
+    auto language_id = language->get_id();
+    if(language_id == "python" || language_id == "rust" || language_id == "julia") {
       tab_char = ' ';
       tab_size = 4;
     }
-    else if(language->get_id() == "go") {
+    else if(language_id == "go") {
       tab_char = '\t';
       tab_size = 1;
     }

src/source_language_protocol.cpp

@@ -369,7 +369,7 @@ void LanguageProtocol::Client::write_request(Source::LanguageProtocolView *view,
     LockGuard 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::this_thread::sleep_for(std::chrono::milliseconds(50000) * (language_id == "julia" ? 100 : 1));
         LockGuard lock(read_write_mutex);
         auto id_it = handlers.find(message_id);
         if(id_it == handlers.end())

src/tooltips.cpp

@@ -155,19 +155,21 @@ void Tooltip::show(bool disregard_drawn, const std::function<void()> &on_motion)
             return true;
           }
 
-          const static std::regex regex("^([^:]+):([^:]+):([^:]+)$", std::regex::optimize);
+          const static std::regex regex("^([^:]+):([^:]+)(:[^:]+)?$", std::regex::optimize);
           std::smatch sm;
           if(std::regex_match(link, sm, regex)) {
             auto path = boost::filesystem::path(sm[1].str());
-            if(auto source_view = dynamic_cast<Source::View *>(view))
-              path = filesystem::get_normal_path(source_view->file_path.parent_path() / path);
+            if(path.is_relative()) {
+              if(auto source_view = dynamic_cast<Source::View *>(view))
+                path = filesystem::get_normal_path(source_view->file_path.parent_path() / path);
+            }
 
             boost::system::error_code ec;
             if(boost::filesystem::is_regular_file(path, ec)) {
               if(Notebook::get().open(path)) {
                 try {
                   auto line = std::stoi(sm[2].str()) - 1;
-                  auto offset = std::stoi(sm[3].str()) - 1;
+                  auto offset = sm.length(3) ? std::stoi(sm[3].str().substr(1)) - 1 : 0;
                   auto view = Notebook::get().get_current_view();
                   view->place_cursor_at_line_offset(line, offset);
                   view->scroll_to_cursor_delayed(true, false);