Correctly output error arguments

Author: AsaiYusuke

include/assert/assert_memory_read_count.h

@@ -21,7 +21,7 @@ class assert_memory_read_count
             result->add_error(
                 message::error_memory_read_count(
                     memory_count_def,
-                    to_string(memory_count_def.get_expression()),
+                    to_string(*memory_count_def.get_expression()),
                     to_string(actual)));
 
         return total_result;

include/assert/assert_memory_write_count.h

@@ -21,7 +21,7 @@ class assert_memory_write_count
             result->add_error(
                 message::error_memory_write_count(
                     memory_count_def,
-                    to_string(memory_count_def.get_expression()),
+                    to_string(*memory_count_def.get_expression()),
                     to_string(actual)));
 
         return total_result;

include/assert/assert_register_value.h

@@ -21,7 +21,7 @@ class assert_register_value
             result->add_error(
                 message::error_register_data(
                     register_def,
-                    to_string(register_def.get_expression()),
+                    to_string(*register_def.get_expression()),
                     to_string(actual)));
 
         return total_result;

include/assert/assert_status_flag_value.h

@@ -21,7 +21,7 @@ class assert_status_flag_value
             result->add_error(
                 message::error_register_status_flag_data(
                     status_flag_def,
-                    to_string(status_flag_def.get_expression()),
+                    to_string(*status_flag_def.get_expression()),
                     to_string(actual)));
 
         return total_result;

include/assert/assert_timeout.h

@@ -21,7 +21,7 @@ class assert_timeout
                 message::trace_timeout(
                     device,
                     actual ? error_defs.front().get_call_stack() : vector<uint16_t>{},
-                    to_string(timeout_def->get_expression()),
+                    to_string(*timeout_def->get_expression()),
                     to_string(actual)));
 
         return total_result;