FatalCompilerErrorException.cs

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using System;
 
using IKVM.CoreLib.Diagnostics;
 
namespace IKVM.Tools.Importer
{
 
    sealed class FatalCompilerErrorException : Exception
    {
 
        static string FormatDiagnosticLevel(DiagnosticLevel level)
        {
            return level switch
            {
                DiagnosticLevel.Trace => "trace",
                DiagnosticLevel.Info => "info",
                DiagnosticLevel.Warning => "warning",
                DiagnosticLevel.Error => "error",
                DiagnosticLevel.Fatal => "fatal",
                _ => throw new InvalidOperationException(),
            };
        }
 
        readonly DiagnosticEvent _event;
 
        internal FatalCompilerErrorException(in DiagnosticEvent evt) :
#if NET8_0_OR_GREATER
            base($"{FormatDiagnosticLevel(evt.Diagnostic.Level)} IKVM{evt.Diagnostic.Id:D4}: {string.Format(null, evt.Diagnostic.Message, evt.Args)}")
#else
            base($"{FormatDiagnosticLevel(evt.Diagnostic.Level)} IKVM{evt.Diagnostic.Id:D4}: {string.Format(null, evt.Diagnostic.Message, evt.Args)}")
#endif
        {
            _event = evt;
        }
 
        public DiagnosticEvent Event => _event;
 
    }
 
}