Stack trace printing code.

include/ioh/common/factory.hpp

@@ -3,7 +3,9 @@
 #include <algorithm>
 #include <cassert>
 #include <cstdlib>
+#include <execinfo.h>
 #include <functional>
+#include <iostream>
 #include <map>
 #include <memory>
 #include <optional>
@@ -20,6 +22,7 @@
 #include "file.hpp"
 
 
+
 namespace ioh::problem
 {
     //! Defintion interface of problems that are defined in static files
@@ -57,6 +60,21 @@ namespace ioh::problem
 
 namespace ioh::common
 {
+
+    void printStackTrace() {
+        const int MAX_CALLSTACK_SIZE = 128;
+        void *callstack[MAX_CALLSTACK_SIZE];
+        int stackSize = backtrace(callstack, MAX_CALLSTACK_SIZE);
+        char **symbols = backtrace_symbols(callstack, stackSize);
+
+        std::cerr << "Call Stack:" << std::endl;
+        for (int i = 0; i < stackSize; i++) {
+            std::cerr << symbols[i] << std::endl;
+        }
+
+        free(symbols);
+    }
+
     //! Function to get the next non zero value in an array of integers
     inline int get_next_id(const std::vector<int> &ids)
     {
@@ -135,7 +153,9 @@ namespace ioh::common
                 std::cerr << error_message << std::endl;
                 std::cout << error_message << std::endl;
 
-                assert(false);
+                printStackTrace();
+
+                assert(!already_defined && name.c_str());
             }
 
             name_map[name] = std::move(creator);