Now uses ctags to find methods in C/C++ source files

src/source.cc

@@ -1,5 +1,6 @@
 #include "source.h"
 #include "config.h"
+#include "ctags.h"
 #include "directories.h"
 #include "filesystem.h"
 #include "git.h"
@@ -20,6 +21,18 @@
 #include <regex>
 #include <set>
 
+#ifdef _WIN32
+#include <windows.h>
+inline DWORD get_current_process_id() {
+  return GetCurrentProcessId();
+}
+#else
+#include <unistd.h>
+inline pid_t get_current_process_id() {
+  return getpid();
+}
+#endif
+
 Glib::RefPtr<Gsv::LanguageManager> Source::LanguageManager::get_default() {
   static auto instance = Gsv::LanguageManager::create();
   return instance;
@@ -297,6 +310,62 @@ Source::View::View(const boost::filesystem::path &file_path, const Glib::RefPtr<
       }
     };
   }
+
+  get_methods = [this]() {
+    std::vector<std::pair<Offset, std::string>> methods;
+    boost::filesystem::path file_path;
+    boost::system::error_code ec;
+    bool use_tmp_file = false;
+
+    if(this->get_buffer()->get_modified()) {
+      use_tmp_file = true;
+      file_path = boost::filesystem::temp_directory_path(ec);
+      if(ec) {
+        Terminal::get().print("Error: could not get temporary directory folder\n", true);
+        return methods;
+      }
+      file_path /= "jucipp_get_methods" + std::to_string(get_current_process_id());
+      boost::filesystem::create_directory(file_path, ec);
+      if(ec) {
+        Terminal::get().print("Error: could not create temporary folder\n", true);
+        return methods;
+      }
+      file_path /= this->file_path.filename();
+      filesystem::write(file_path, this->get_buffer()->get_text().raw());
+    }
+    else
+      file_path = this->file_path;
+
+    Ctags ctags(file_path, false, true);
+    if(use_tmp_file)
+      boost::filesystem::remove_all(file_path.parent_path(), ec);
+    if(!ctags) {
+      Info::get().print("No methods found in current buffer");
+      return methods;
+    }
+
+    std::string line;
+    while(std::getline(ctags.output, line)) {
+      auto location = ctags.get_location(line, true);
+      std::transform(location.kind.begin(), location.kind.end(), location.kind.begin(),
+                     [](char c) { return std::tolower(c); });
+      std::vector<std::string> ignore_kinds = {"variable", "local", "constant", "global", "property", "member", "enum",
+                                               "class", "struct", "namespace",
+                                               "macro", "param", "header",
+                                               "typedef", "using", "alias",
+                                               "project", "option"};
+      if(std::none_of(ignore_kinds.begin(), ignore_kinds.end(), [&location](const std::string &e) { return location.kind.find(e) != std::string::npos; }) &&
+         location.source.find("<b>") != std::string::npos)
+        methods.emplace_back(Offset(location.line, location.index), std::to_string(location.line + 1) + ": " + location.source);
+    }
+    std::sort(methods.begin(), methods.end(), [](const std::pair<Offset, std::string> &e1, const std::pair<Offset, std::string> &e2) {
+      return e1.first < e2.first;
+    });
+
+    if(methods.empty())
+      Info::get().print("No methods found in current buffer");
+    return methods;
+  };
 }
 
 Gsv::DrawSpacesFlags Source::View::parse_show_whitespace_characters(const std::string &text) {

src/source_clang.cc

@@ -1577,61 +1577,62 @@ Source::ClangViewRefactor::ClangViewRefactor(const boost::filesystem::path &file
     return std::string();
   };
 
-  get_methods = [this]() {
-    std::vector<std::pair<Offset, std::string>> methods;
-    if(!parsed) {
-      Info::get().print("Buffer is parsing");
-      return methods;
-    }
-    clangmm::Offset last_offset{static_cast<unsigned>(-1), static_cast<unsigned>(-1)};
-    for(auto &token : *clang_tokens) {
-      if(token.is_identifier()) {
-        auto cursor = token.get_cursor();
-        auto kind = cursor.get_kind();
-        if(kind == clangmm::Cursor::Kind::FunctionDecl || kind == clangmm::Cursor::Kind::CXXMethod ||
-           kind == clangmm::Cursor::Kind::Constructor || kind == clangmm::Cursor::Kind::Destructor ||
-           kind == clangmm::Cursor::Kind::FunctionTemplate || kind == clangmm::Cursor::Kind::ConversionFunction) {
-          auto offset = cursor.get_source_location().get_offset();
-          if(offset == last_offset)
-            continue;
-          last_offset = offset;
-
-          std::string prefix;
-          auto parent = cursor.get_semantic_parent();
-          while(parent && parent.get_kind() != clangmm::Cursor::Kind::TranslationUnit) {
-            prefix.insert(0, parent.get_display_name() + (prefix.empty() ? "" : "::"));
-            parent = parent.get_semantic_parent();
-          }
-          if(!prefix.empty())
-            prefix += ':';
-          prefix += std::to_string(offset.line) + ": ";
-          prefix = Glib::Markup::escape_text(prefix);
-
-          std::string ret;
-          if(kind != clangmm::Cursor::Kind::Constructor && kind != clangmm::Cursor::Kind::Destructor) {
-            ret += cursor.get_type().get_result().get_spelling();
-            if(!ret.empty() && ret.back() != '&' && ret.back() != '*')
-              ret += ' ';
-          }
-          ret = Glib::Markup::escape_text(ret);
+  if(language && (language->get_id() == "chdr" || language->get_id() == "cpphdr")) {
+    get_methods = [this]() {
+      std::vector<std::pair<Offset, std::string>> methods;
+      if(!parsed) {
+        Info::get().print("Buffer is parsing");
+        return methods;
+      }
+      clangmm::Offset last_offset{static_cast<unsigned>(-1), static_cast<unsigned>(-1)};
+      for(auto &token : *clang_tokens) {
+        if(token.is_identifier()) {
+          auto cursor = token.get_cursor();
+          auto kind = cursor.get_kind();
+          if(kind == clangmm::Cursor::Kind::FunctionDecl || kind == clangmm::Cursor::Kind::CXXMethod ||
+             kind == clangmm::Cursor::Kind::Constructor || kind == clangmm::Cursor::Kind::Destructor ||
+             kind == clangmm::Cursor::Kind::FunctionTemplate || kind == clangmm::Cursor::Kind::ConversionFunction) {
+            auto offset = cursor.get_source_location().get_offset();
+            if(offset == last_offset)
+              continue;
+            last_offset = offset;
+
+            std::string scope;
+            auto parent = cursor.get_semantic_parent();
+            while(parent && parent.get_kind() != clangmm::Cursor::Kind::TranslationUnit) {
+              scope.insert(0, parent.get_display_name() + (scope.empty() ? "" : "::"));
+              parent = parent.get_semantic_parent();
+            }
+            if(!scope.empty())
+              scope += "::";
+            scope = Glib::Markup::escape_text(scope);
+
+            std::string ret;
+            if(kind != clangmm::Cursor::Kind::Constructor && kind != clangmm::Cursor::Kind::Destructor) {
+              ret += cursor.get_type().get_result().get_spelling();
+              if(!ret.empty() && ret.back() != '&' && ret.back() != '*')
+                ret += ' ';
+            }
+            ret = Glib::Markup::escape_text(ret);
 
-          auto method = Glib::Markup::escape_text(cursor.get_display_name());
-          // Add bold method token
-          auto end = method.find('(');
-          if(end == std::string::npos)
-            continue;
-          method.insert(end, "</b>");
-          method.insert(0, "<b>");
+            auto method = Glib::Markup::escape_text(cursor.get_display_name());
+            // Add bold method token
+            auto end = method.find('(');
+            if(end == std::string::npos)
+              continue;
+            method.insert(end, "</b>");
+            method.insert(0, "<b>");
 
-          methods.emplace_back(Offset(offset.line - 1, offset.index - 1), prefix + ret + method);
+            methods.emplace_back(Offset(offset.line - 1, offset.index - 1), std::to_string(offset.line) + ": " + ret + scope + method);
+          }
         }
       }
-    }
-    if(methods.empty())
-      Info::get().print("No methods found in current buffer");
+      if(methods.empty())
+        Info::get().print("No methods found in current buffer");
 
-    return methods;
-  };
+      return methods;
+    };
+  }
 
   get_token_data = [this]() -> std::vector<std::string> {
     clangmm::Cursor cursor;

src/source_generic.cc

@@ -1,5 +1,4 @@
 #include "source_generic.h"
-#include "ctags.h"
 #include "filesystem.h"
 #include "info.h"
 #include "selection_dialog.h"
@@ -7,18 +6,6 @@
 #include "terminal.h"
 #include <algorithm>
 
-#ifdef _WIN32
-#include <windows.h>
-inline DWORD get_current_process_id() {
-  return GetCurrentProcessId();
-}
-#else
-#include <unistd.h>
-inline pid_t get_current_process_id() {
-  return getpid();
-}
-#endif
-
 Source::GenericView::GenericView(const boost::filesystem::path &file_path, const Glib::RefPtr<Gsv::Language> &language) : BaseView(file_path, language), View(file_path, language, true), autocomplete(this, interactive_completion, last_keyval, false) {
   spellcheck_all = true;
 
@@ -55,60 +42,6 @@ Source::GenericView::GenericView(const boost::filesystem::path &file_path, const
   setup_buffer_words();
 
   setup_autocomplete();
-
-  get_methods = [this]() {
-    std::vector<std::pair<Offset, std::string>> methods;
-    boost::filesystem::path file_path;
-    boost::system::error_code ec;
-    bool use_tmp_file = false;
-
-    if(this->get_buffer()->get_modified()) {
-      use_tmp_file = true;
-      file_path = boost::filesystem::temp_directory_path(ec);
-      if(ec) {
-        Terminal::get().print("Error: could not get temporary directory folder\n", true);
-        return methods;
-      }
-      file_path /= "jucipp_get_methods" + std::to_string(get_current_process_id());
-      boost::filesystem::create_directory(file_path, ec);
-      if(ec) {
-        Terminal::get().print("Error: could not create temporary folder\n", true);
-        return methods;
-      }
-      file_path /= this->file_path.filename();
-      filesystem::write(file_path, this->get_buffer()->get_text().raw());
-    }
-    else
-      file_path = this->file_path;
-
-    Ctags ctags(file_path, false, true);
-    if(use_tmp_file)
-      boost::filesystem::remove_all(file_path.parent_path(), ec);
-    if(!ctags) {
-      Info::get().print("No methods found in current buffer");
-      return methods;
-    }
-
-    std::string line;
-    while(std::getline(ctags.output, line)) {
-      auto location = ctags.get_location(line, true);
-      std::transform(location.kind.begin(), location.kind.end(), location.kind.begin(),
-                     [](char c) { return std::tolower(c); });
-      std::vector<std::string> ignore_kinds = {"variable", "local", "constant", "global", "property", "member", "enum",
-                                               "macro", "param", "header",
-                                               "typedef", "using", "alias",
-                                               "project", "option"};
-      if(std::none_of(ignore_kinds.begin(), ignore_kinds.end(), [&location](const std::string &e) { return location.kind.find(e) != std::string::npos; }))
-        methods.emplace_back(Offset(location.line, location.index), location.source);
-    }
-    std::sort(methods.begin(), methods.end(), [](const std::pair<Offset, std::string> &e1, const std::pair<Offset, std::string> &e2) {
-      return e1.first < e2.first;
-    });
-
-    if(methods.empty())
-      Info::get().print("No methods found in current buffer");
-    return methods;
-  };
 }
 
 Source::GenericView::~GenericView() {

tests/source_clang_test.cc

@@ -23,6 +23,12 @@ int main() {
   auto app = Gtk::Application::create();
   Gsv::init();
 
+#ifdef JUCI_USE_UCTAGS
+  Config::get().project.ctags_command = "uctags";
+#else
+  Config::get().project.ctags_command = "ctags";
+#endif
+
 #ifdef _WIN32
   g_assert_cmpstr(std::getenv("MSYSTEM_PREFIX"), !=, nullptr);
 #endif