/// <summary>
///
/// </summary>
/// <param name="expr"></param>
/// <param name="funcReturningObj"></param>
/// <returns></returns>
internal static bool TryMatchLocalExpression(Expression expr, out FunctionReturningObject funcReturningObj)
{
bool result;
try
{
LocalDMSExpressionChecker localExpressionChecker = new LocalDMSExpressionChecker();
localExpressionChecker.Visit(expr);
bool flag = !localExpressionChecker._foundParameter && !localExpressionChecker._foundSpecialMethod && localExpressionChecker._foundConstant;
if (flag)
{
funcReturningObj = LocalDMSExpressionChecker.CompileLocalExpression(expr);
}
else
{
funcReturningObj = null;
}
result = flag;
}
catch (Exception arg)
{
System.Diagnostics.Debug.WriteLine("TryMatchLocalExpression failed: " + arg);
throw;
}
return(result);
}
internal static ConstantExpression ConvertConstantExpression(Expression expr)
{
FunctionReturningObject functionReturningObject = LocalDMSExpressionChecker.CompileLocalExpression(expr);
return(Expression.Constant(functionReturningObject(), expr.Type));
}