Add portable function name helper (#446)

- Add `PPC_FUNC_NAME` macro providing compiler agnostic pure function
name
- Replace `__builtin_FUNCTION()` with `PPC_FUNC_NAME` macro in
`task.hpp`

Author: aobolensk

modules/core/task/include/task.hpp

@@ -107,33 +107,33 @@ class Task {
   /// @brief Validates input data and task attributes before execution.
   /// @return True if validation is successful.
   virtual bool Validation() final {
-    InternalOrderTest(__builtin_FUNCTION());
+    InternalOrderTest(PPC_FUNC_NAME);
     return ValidationImpl();
   }
 
   /// @brief Performs preprocessing on the input data.
   /// @return True if preprocessing is successful.
   virtual bool PreProcessing() final {
-    InternalOrderTest(__builtin_FUNCTION());
+    InternalOrderTest(PPC_FUNC_NAME);
     if (state_of_testing_ == StateOfTesting::kFunc) {
-      InternalTimeTest(__builtin_FUNCTION());
+      InternalTimeTest(PPC_FUNC_NAME);
     }
     return PreProcessingImpl();
   }
 
   /// @brief Executes the main logic of the task.
   /// @return True if execution is successful.
   virtual bool Run() final {
-    InternalOrderTest(__builtin_FUNCTION());
+    InternalOrderTest(PPC_FUNC_NAME);
     return RunImpl();
   }
 
   /// @brief Performs postprocessing on the output data.
   /// @return True if postprocessing is successful.
   virtual bool PostProcessing() final {
-    InternalOrderTest(__builtin_FUNCTION());
+    InternalOrderTest(PPC_FUNC_NAME);
     if (state_of_testing_ == StateOfTesting::kFunc) {
-      InternalTimeTest(__builtin_FUNCTION());
+      InternalTimeTest(PPC_FUNC_NAME);
     }
     return PostProcessingImpl();
   }

modules/core/util/include/util.hpp

@@ -6,6 +6,8 @@
 #include <string>
 #include <string_view>
 
+#define PPC_FUNC_NAME __func__
+
 #ifdef _MSC_VER
 #pragma warning(push)
 #pragma warning(disable : 4459)