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Validate input

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nub31
2025-01-29 21:35:28 +01:00
parent d7dc2bdffe
commit 39be4d823b
2 changed files with 32 additions and 7 deletions
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2
Nub.Lang/Nub.Lang/Backend/Custom/Generator.cs
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@@ -68,10 +68,8 @@ public class Generator
_builder.AppendLine($" mov [{symbol.Identifier}], rax");
}
_builder.AppendLine();
_builder.AppendLine($" call {main.StartLabel}");
_builder.AppendLine();
_builder.AppendLine(main.ReturnType.HasValue
? " mov rdi, rax"
: " mov rdi, 0");

37
Nub.Lang/Nub.Lang/Program.cs
View File

@@ -10,10 +10,38 @@ internal static class Program
private static readonly Lexer Lexer = new();
private static readonly Parser Parser = new();
public static void Main(string[] args)
public static int Main(string[] args)
{
var modules = RunFrontend(args[0]);
if (args.Length != 2)
{
Console.WriteLine("Usage: nub <input-dir> <output-file>");
Console.WriteLine("Example: nub src out.asm");
return 1;
}
var input = args[0];
var output = args[1];
if (!Directory.Exists(input))
{
Console.WriteLine($"Error: Input directory '{input}' does not exist.");
return 1;
}
var outputDir = Path.GetDirectoryName(output);
if (outputDir == null || !Directory.Exists(outputDir))
{
Console.WriteLine($"Error: Output directory '{outputDir}' does not exist.");
return 1;
}
if (string.IsNullOrWhiteSpace(Path.GetFileName(output)))
{
Console.WriteLine("Error: Output path must specify a file, not a directory.");
return 1;
}
var modules = RunFrontend(input);
var definitions = modules.SelectMany(f => f.Definitions).ToArray();
var typer = new ExpressionTyper(definitions);
@@ -22,9 +50,8 @@ internal static class Program
var generator = new Generator(definitions);
var asm = generator.Generate();
Console.WriteLine(asm);
File.WriteAllText(args[1], asm);
File.WriteAllText(output, asm);
return 0;
}
private static IEnumerable<ModuleNode> RunFrontend(string path)