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namespace Q1.Compiler;
using System.Text;
using Antlr4.Runtime;
using CommandLine;
using visitors;
using Parser = CommandLine.Parser;
public class Program
{
static void Main(string[] args)
{
Parser commandLineParser = new(with =>
{
with.CaseInsensitiveEnumValues = true;
});
commandLineParser
.ParseArguments<CompilerOptions>(args)
.WithParsed(Program.Main);
}
public static void Main(CompilerOptions options)
{
options.InputFile = options.InputFile;
try
{
ICharStream inputStream = new PreprocessingCharStream(options.InputFile);
CGrammarLexer lexer = new(inputStream);
lexer.RemoveErrorListeners();
ITokenStream tokenStream = new BufferedTokenStream(lexer);
CGrammarParser parser = new(tokenStream);
parser.RemoveErrorListeners();
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
Encoding encoding = Encoding.GetEncoding(437);
CCompilerVisitor compiler = new(options.CommentCompilationMode, encoding);
IEnumerable<string> result = compiler.Compile(parser.program());
File.WriteAllLines(options.OutputFile, result);
if (options.Verbose)
{
Console.WriteLine();
foreach (string line in result)
Console.WriteLine(line);
Console.WriteLine();
}
Console.WriteLine($"Compilation successful. ({result.Count(x=>x != string.Empty)} instructions)");
}
catch (CompilerException ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.Error.WriteLine($"Error: {ex.Message}");
Console.ResetColor();
Environment.Exit(1);
}
}
}
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