private async Task CreateExpressionEvaluator()
{
Options = ScriptOptions.Default;
var assemblyLines = ReferencedAssembliesText.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
foreach (var line in assemblyLines)
{
if (!line.StartsWith("//") && !string.IsNullOrWhiteSpace(line))
{
var trimmed = line.Trim();
LOGGER.Info($"Attempting to load assembly: '{trimmed}'");
try
{
var assembly = Assembly.LoadFrom(trimmed);
Options = Options.AddReferences(assembly);
LOGGER.Info($"Loaded assembly: '{trimmed}' via 'Assembly.LoadFrom'");
}
catch (Exception ex1)
{
try
{
var netAssembly = Assembly.Load(trimmed);
Options = Options.AddReferences(netAssembly);
LOGGER.Info($"Loaded assembly: '{trimmed}' via 'Assembly.Load'");
}
catch (Exception ex2)
{
try
{
var gacAssemblyPath = AssemblyNameResolver.GetAssemblyPath(trimmed);
var gacAssembly = Assembly.LoadFrom(gacAssemblyPath);
Options = Options.AddReferences(gacAssembly);
LOGGER.Info($"Loaded assembly: '{trimmed}' via 'AssemblyNameResolver.GetAssemblyPath'");
}
catch (Exception ex3)
{
LOGGER.Error($"Couldn't load assembly {trimmed} via 'Assembly.LoadFrom'", ex1);
LOGGER.Error($"Couldn't load assembly {trimmed} via 'Assembly.Load'", ex2);
LOGGER.Error($"Couldn't load assembly {trimmed} via 'AssemblyNameResolver.GetAssemblyPath'", ex3);
}
}
}
}
}
CsScript = null;
foreach (var func in StandardFunctions.GlobalFunctions)
{
LOGGER.Debug($"Loading standard function: '{func}'");
if (CsScript == null)
{
CsScript = await CSharpScript.RunAsync(func);
}
else
{
CsScript = await CsScript.ContinueWithAsync(func);
}
}
foreach (var var in GlobalVariables)
{
string func = $"const string {var.Key} = @\"{var.Value(FilePath, TemplateName)}\";";
LOGGER.Info($"Loading global variable: '{func}'");
CsScript = await CsScript.ContinueWithAsync(func);
}
try
{
LOGGER.Info($"Executing preparation script");
LOGGER.Debug($"Preparation script: {CSharpPreparationScript}");
CsScript = await CsScript.ContinueWithAsync(CSharpPreparationScript, Options);
LOGGER.Info($"Executed preparation script");
}
catch (CompilationErrorException ex)
{
CsScript = await CSharpScript.RunAsync("using System;");
LOGGER.Error($"Couldn't execute preparation script: {CSharpPreparationScript}", ex);
}
LOGGER.Info($"Expression evaluator creation finished");
}