Debug::get_return_value cleanup, and now works on older lldb versions

src/debug.cc

@@ -375,7 +375,7 @@ std::string Debug::get_value(const std::string &variable, const boost::filesyste
   return variable_value;
 }
 
-std::string Debug::get_return_value(const std::string &variable, const boost::filesystem::path &file_path, unsigned int line_nr, unsigned int line_index) {
+std::string Debug::get_return_value(const boost::filesystem::path &file_path, unsigned int line_nr, unsigned int line_index) {
   std::string return_value;
   event_mutex.lock();
   if(state==lldb::StateType::eStateStopped) {
@@ -386,7 +386,8 @@ std::string Debug::get_return_value(const std::string &variable, const boost::fi
       if(line_entry.IsValid()) {
         lldb::SBStream stream;
         line_entry.GetFileSpec().GetDescription(stream);
-        if(boost::filesystem::path(stream.GetData())==file_path && line_entry.GetLine()==line_nr && line_entry.GetColumn()==line_index) {
+        if(boost::filesystem::path(stream.GetData())==file_path && line_entry.GetLine()==line_nr &&
+           (line_entry.GetColumn()==0 || line_entry.GetColumn()==line_index)) {
           lldb::SBStream stream;
           thread_return_value.GetDescription(stream);
           return_value=stream.GetData();

src/debug.h

@@ -46,7 +46,7 @@ public:
   void delete_debug(); //can't use delete as function name
   
   std::string get_value(const std::string &variable, const boost::filesystem::path &file_path, unsigned int line_nr);
-  std::string get_return_value(const std::string &variable, const boost::filesystem::path &file_path, unsigned int line_nr, unsigned int line_index);
+  std::string get_return_value(const boost::filesystem::path &file_path, unsigned int line_nr, unsigned int line_index);
   
   bool is_invalid();
   bool is_stopped();

src/source_clang.cc

@@ -424,7 +424,7 @@ void Source::ClangViewParse::show_type_tooltips(const Gdk::Rectangle &rectangle)
               if(debug_value.empty()) {
                 value_type="Return value";
                 auto location=token.get_cursor().get_source_location();
-                debug_value=Debug::get().get_return_value(token.get_spelling(), location.get_path(), location.get_offset().line, location.get_offset().index);
+                debug_value=Debug::get().get_return_value(location.get_path(), location.get_offset().line, location.get_offset().index);
               }
               if(!debug_value.empty()) {
                 size_t pos=debug_value.find(" = ");