made error messages nicer

main.cpp

@@ -57,25 +57,52 @@ int main(int argc, char *argv[]) {
         return EXIT_SUCCESS;
       }
       
-      else if (flag == "-v"sv || flag == "--verbose"sv) {
-        verbose = true;
-        summary = true;
-      }
-      
-      else if (flag == "-s"sv || flag == "--summary"sv) {
-        summary = true;
+      else if (flag == "--messages"sv) {
+        msgs::note(
+          "k32c",
+          "hello, world!",
+          "  | This compiler is greeting the world.\n  | Say 'hello' :)"
+        );
+        msgs::warn(
+          "k3.14c",
+          "you're dangerously awesome",
+          "  | You are incredibly cool.\n  | Keep being your amazing self."
+        );
+        msgs::error(
+          "k2.71c",
+          "i'm very grateful to you",
+          "  | Thanks for using this small project of mine.\n  | Have a cookie for your troubles 🍪\n  (this is 100\% an error, what do you mean?)"
+        );
+        return EXIT_SUCCESS;
       }
       
       else if (flag == "-o"sv || flag == "--output") {
         i++;
         if (i == argc) {
-          msgs::error("missing filename after '\033[1m-o\033[0m'");
+          msgs::error(
+            "k32c",
+            "missing file name after '\033[1m" + flag + "\033[0m'",
+            "  | The " + flag + " option is used to change the name of the output binary.\n  | Please specify a name for the output binary."
+          );
         }
         out_file_name = argv[i];
       }
       
+      else if (flag == "-s"sv || flag == "--summary"sv) {
+        summary = true;
+      }
+      
+      else if (flag == "-v"sv || flag == "--verbose"sv) {
+        verbose = true;
+        summary = true;
+      }
+      
       else {
-        msgs::warn("unknown option '\033[1m" + flag + "\033[0m' has been ignored");
+        msgs::warn(
+          "k32c",
+          "unknown option '\033[1m" + flag + "\033[0m' has been ignored",
+          "  | The " + flag + " option doesn't exist.\n  | See all options with --help or -h."
+        );
       }
     }
 
@@ -84,7 +111,10 @@ int main(int argc, char *argv[]) {
       std::string arg(argv[i]);
 
       if (in_file_name != ""sv)
-        msgs::warn("extraneous argument '\033[1m" + arg + "\033[0m' has been ignored");
+        msgs::warn(
+          "k32c",
+          "extraneous argument '\033[1m" + arg + "\033[0m' has been ignored",
+          "  | There should only be one file name.\n  | Check that every option is in the right place.");
 
       in_file_name = arg;
     }
@@ -92,14 +122,22 @@ int main(int argc, char *argv[]) {
 
   // Sanitise and validate file name
   if (in_file_name == ""sv) {
-    msgs::fatal_error("no input files");
+    msgs::fatal_error(
+      "k32c",
+      "no input file",
+      "  | This compiler is unable to compile nothing.\n  | Please specify a file to compile."
+    );
   } else if (!std::filesystem::exists(in_file_name)) {
-    msgs::fatal_error(in_file_name + ": No such file or directory");
+    msgs::fatal_error(
+      "k32c",
+      "unable to locate '" + in_file_name + "'",
+      "  | This compiler is unable to compile nothing.\n  | Please check the specified file name is correct."
+    );
   }
   
   if (summary) {
     std::cout << in_file_name << " found, starting compilation." << std::endl;
-    std::cout << out_file_name << " will be the final binary." << std::endl;
+    std::cout << out_file_name << " will be the output binary." << std::endl;
   }
 
   return EXIT_SUCCESS;

messages.hpp

@@ -49,33 +49,46 @@ std::string help = R"(Usage: k32c [options] file...
 Options:
   --copyright, or -c    Display this program's copyright information.
   --help, or -h         Display this information.
+  --messages            Display test messages.
+  --output, or -o       Change the name of the output binary.
   --summary, or -s      Display summarised output during compilation.
   --verbose, or -v      Display more thorough output during compilation.)";
 
-std::string warning_prefix = "\033[1mk32c: \033[35mwarning: \033[0m";
-std::string error_prefix = "\033[1mk32c: \033[31merror: \033[0m";
-std::string fatal_error_prefix = "\033[1mk32c: \033[31mfatal error: \033[0m";
+std::string note_prefix = "\033[36mnote: \033[0m";
+std::string warning_prefix = "\033[35mwarning: \033[0m";
+std::string error_prefix = "\033[31merror: \033[0m";
+std::string fatal_error_prefix = "\033[31mfatal error: \033[0m";
 
 
 // HELPER FUNCTIONS
-void warn(std::string error_msg) {
+void note(std::string file, std::string summary, std::string message) {
+  std::cout << "\033[1m" << file << ": ";
+  std::cout << note_prefix;
+  std::cout << summary << std::endl;
+  std::cout << message << std::endl;
+}
+
+void warn(std::string file, std::string summary, std::string message) {
+  std::cout << "\033[1m" << file << ": ";
   std::cout << warning_prefix;
-  std::cout << error_msg;
-  std::cout << std::endl;
+  std::cout << summary << std::endl;
+  std::cout << message << std::endl;
 }
 
-void error(std::string error_msg) {
+void error(std::string file, std::string summary, std::string message) {
+  std::cout << "\033[1m" << file << ": ";
   std::cout << error_prefix;
-  std::cout << error_msg;
-  std::cout << std::endl;
+  std::cout << summary << std::endl;
+  std::cout << message << std::endl;
   std::cout << "Compilation terminated." << std::endl;
   exit(EXIT_FAILURE);
 }
 
-void fatal_error(std::string error_msg) {
+void fatal_error(std::string file, std::string summary, std::string message) {
+  std::cout << "\033[1m" << file << ": ";
   std::cout << fatal_error_prefix;
-  std::cout << error_msg;
-  std::cout << std::endl;
+  std::cout << summary << std::endl;
+  std::cout << message << std::endl;
   std::cout << "Compilation terminated." << std::endl;
   exit(EXIT_FAILURE);
 }