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compiler/NubLang/Code/SourceFile.cs

@@ -0,0 +1,41 @@
+namespace NubLang.Code;
+
+public class SourceFile
+{
+    private string? _content;
+
+    public SourceFile(string path)
+    {
+        Path = path ?? throw new ArgumentNullException(nameof(path));
+    }
+
+    public string Path { get; }
+
+    public string GetText() => _content ??= File.ReadAllText(Path);
+    public override string ToString() => Path;
+
+    public override bool Equals(object? obj)
+    {
+        return obj is SourceFile other && other.Path == Path;
+    }
+
+    public override int GetHashCode()
+    {
+        return HashCode.Combine(typeof(SourceFile), Path);
+    }
+
+    public static bool operator ==(SourceFile? left, SourceFile? right) => Equals(left, right);
+    public static bool operator !=(SourceFile? left, SourceFile? right) => !Equals(left, right);
+}
+
+public class SourceFileSpan
+{
+    public SourceFileSpan(SourceFile sourceFile, SourceSpan span)
+    {
+        SourceFile = sourceFile;
+        Span = span;
+    }
+
+    public SourceFile SourceFile { get; }
+    public SourceSpan Span { get; }
+}