Fix: error format and color diagnostics (#20)

* fix: change every error line to correct format

* Add color diagnostics during compilation

* Remove unused import

* fix: forgotten newline

player_code/cpp/Makefile

@@ -1,6 +1,6 @@
 EXE=run
 CXX=g++
-FLAGS=-std=c++20 -O2 -static
+FLAGS=-std=c++20 -O2 -static -fdiagnostics-color=always
 
 all: $(EXE)
 
@@ -14,7 +14,7 @@ main.o: main.cpp player_code.h
 	$(CXX) $(FLAGS) -c -o main.o main.cpp
 
 $(EXE): $(EXE).o player_code.o main.o
-	g++ -static -o $(EXE) $(EXE).o player_code.o main.o
+	g++ -fdiagnostics-color=always -static -o $(EXE) $(EXE).o player_code.o main.o
 
 clean_objects:
 	rm player_code.o $(EXE).o main.o

src/lib.rs

@@ -192,6 +192,14 @@ pub fn create_error_response(
         }
         SimulatorError::TimeOutError(e) => ("Timeout Error!".to_owned(), e),
     };
+
+    let error = error
+        .lines()
+        .into_iter()
+        .map(|x| format!("ERRORS, {}", x))
+        .collect::<Vec<String>>()
+        .join("\n");
+
     response::GameStatus {
         game_id: game_request.game_id.clone(),
         game_status: response::GameStatusEnum::EXECUTE_ERROR,
@@ -200,8 +208,8 @@ pub fn create_error_response(
             coins_used: 0,
             has_errors: true,
             log: format!(
-                "ERROR TYPE: {}\n\nERROR LOG\n{}\nERROR TYPE : {}\n",
-                err_type, error, err_type
+                "ERRORS, ERROR TYPE: {}\nERRORS, ERROR LOG:\n{}\n",
+                err_type, error
             ),
         }),
     }