SboxSuperuser/Core/Effects/EffectDiagnostic.cs
A small record type used by the effect script system. Stores a diagnostic message plus the start offset and length of the offending text, and computes the 1-based line number from the source for display.
namespace SboxSuperuser.Core.Effects;
/// <summary>A problem in a script, with the exact characters to underline and a plain-English message.</summary>
internal sealed record EffectDiagnostic( string Message, int Start, int Length )
{
/// <summary>The 1-based line the problem starts on.</summary>
internal int Line( string source ) => source.Take( Math.Min( Start, source.Length ) ).Count( c => c == '\n' ) + 1;
internal string Describe( string source ) => $"line {Line( source )}: {Message}";
}