Revert "Debug return value now found based on previous frame function name"

This reverts commit 534a245453.

src/debug.cc

@@ -126,13 +126,6 @@ void Debug::start(const std::string &command, const boost::filesystem::path &pat
                 break;
               }
             }
-            
-            last_function_name=current_function_name;
-            auto function_name_cstr=process->GetSelectedThread().GetSelectedFrame().GetFunctionName();
-            if(function_name_cstr!=NULL)
-              current_function_name=function_name_cstr;
-            else
-              current_function_name.clear();
           }
           
           //Update debug status
@@ -382,7 +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 &function_name, const boost::filesystem::path &file_path) {
+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) {
@@ -393,8 +386,8 @@ std::string Debug::get_return_value(const std::string &function_name, const boos
       if(line_entry.IsValid()) {
         lldb::SBStream stream;
         line_entry.GetFileSpec().GetDescription(stream);
-        auto pos=last_function_name.find('(');
-        if(pos!=std::string::npos && last_function_name.substr(0, pos)==function_name && boost::filesystem::path(stream.GetData())==file_path) {
+        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 &function_name, const boost::filesystem::path &file_path);
+  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();
@@ -67,9 +67,6 @@ private:
   std::mutex event_mutex;
   
   size_t buffer_size;
-  
-  std::string last_function_name;
-  std::string current_function_name;
 };
 
 #endif

src/source_clang.cc

@@ -423,7 +423,8 @@ void Source::ClangViewParse::show_type_tooltips(const Gdk::Rectangle &rectangle)
               Glib::ustring debug_value=Debug::get().get_value(token.get_spelling(), location.get_path(), location.get_offset().line);
               if(debug_value.empty()) {
                 value_type="Return value";
-                debug_value=Debug::get().get_return_value(token.get_spelling(), token.get_cursor().get_source_location().get_path());
+                auto location=token.get_cursor().get_source_location();
+                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(" = ");