parse arguments

.gitignore

@@ -5,5 +5,6 @@ build/
 # MacOS Cache
 .DS_Store
 
-test.bin
+.vscode
-.vscode
+
+a.out

src/main.cpp

@@ -1,13 +1,51 @@
+#include <argparse/argparse.hpp>
 #include <iostream>
 
 #include "IO.h"
 
 int main(int argc, char** argv) {
 
-	try {
+	argparse::ArgumentParser program("Assembleur");
-		auto output = ParseFile("test.asm");
+
+	std::string inputFileName;
+	program.add_argument("file")
+		.help("The assembly file to compile")
+		.store_into(inputFileName);
+
+	std::string outputFileName;
+	program.add_argument("-o", "--output")
+		.help("Specify the output file.")
+		.metavar("file")
+		.default_value(std::string("a.out"))
+		.store_into(outputFileName);
+
+	std::string formatType;
+	program.add_argument("-f", "--format")
+		.help("Type of the output. [bin|int|binint]")
+		.metavar("type")
+		.default_value(std::string("binint"))
+		.choices("bin", "int", "binint")
+		.store_into(formatType);
+
+	try {
+		program.parse_args(argc, argv);
+	} catch (const std::exception& err) {
+		std::cerr << err.what() << std::endl;
+		std::cerr << program;
+		std::exit(1);
+	}
+
+	try {
+		auto output = ParseFile(inputFileName);
+
+		if (formatType == "bin") {
+			OutputFileBinary(output, outputFileName);
+		} else if (formatType == "int") {
+			OutputFileIntegers(output, outputFileName);
+		} else {
+			OutputFileBinIntegers(output, outputFileName);
+		}
 
-		OutputFileBinary(output, "test.bin");
 	} catch (std::runtime_error& e) {
 		std::cerr << e.what() << std::endl;
 		return 1;

xmake.lua

@@ -1,9 +1,12 @@
 add_rules("mode.debug", "mode.release")
 
+add_requires("argparse")
+
 target("Assembleur")
     set_kind("binary")
     add_files("src/*.cpp")
     set_rundir(".")
+    add_packages("argparse")
 
 --
 -- If you want to known more usage about xmake, please see https://xmake.io