private static TextExpressionCompilerSettings GetCompilerSettings(IDynamicActivity dynamicActivity, string language)
{
int lastIndexOfDot = dynamicActivity.Name.LastIndexOf('.');
int lengthOfName = dynamicActivity.Name.Length;
string activityName = lastIndexOfDot > 0 ? dynamicActivity.Name.Substring(lastIndexOfDot + 1) : dynamicActivity.Name;
activityName += "_CompiledExpressionRoot";
string activityNamespace = lastIndexOfDot > 0 ? dynamicActivity.Name.Substring(0, lastIndexOfDot) : null;
return(new TextExpressionCompilerSettings()
{
Activity = (Activity)dynamicActivity,
ActivityName = activityName,
ActivityNamespace = activityNamespace,
RootNamespace = null,
GenerateAsPartialClass = false,
AlwaysGenerateSource = true,
Language = language
});
}
private static void Compile(IDynamicActivity dynamicActivity, ActivityXamlServicesSettings settings)
{
string language = null;
if (!RequiresCompilation(dynamicActivity, settings.LocationReferenceEnvironment, out language))
{
return;
}
var aotCompiler = settings.GetCompiler(language);
var compiler = new TextExpressionCompiler(GetCompilerSettings(dynamicActivity, language, aotCompiler));
var results = compiler.Compile();
if (results.HasErrors)
{
var messages = new StringBuilder();
foreach (TextExpressionCompilerError message in results.CompilerMessages)
{
messages.Append("\r\n");
messages.Append(string.Concat(" ", SR.ActivityXamlServiceLineString, " ", message.SourceLineNumber, ": "));
messages.Append(message.Message);
}
messages.Append("\r\n");
InvalidOperationException exception = new InvalidOperationException(SR.ActivityXamlServicesCompilationFailed(messages.ToString()));
foreach (TextExpressionCompilerError message in results.CompilerMessages)
{
exception.Data.Add(message, message.Message);
}
throw FxTrace.Exception.AsError(exception);
}
Type compiledExpressionRootType = results.ResultType;
ICompiledExpressionRoot compiledExpressionRoot = Activator.CreateInstance(compiledExpressionRootType, new object[] { dynamicActivity }) as ICompiledExpressionRoot;
CompiledExpressionInvoker.SetCompiledExpressionRootForImplementation(dynamicActivity, compiledExpressionRoot);
}
