public override LiteralExpression VisitLiteralValue(LiteralExpression expression)
{
_xmlWriter.WriteStartElement("literalExpression");
_xmlWriter.WriteStartElement("value");
WriteTypeAttribute(expression.ExpressionType);
object value = expression.GetValue();
if (NullHelper.IsNull(value))
{
_xmlWriter.WriteAttributeString("value", "<null>");
}
else
{
_xmlWriter.WriteAttributeString("value", value.ToString());
}
_xmlWriter.WriteEndElement();
_xmlWriter.WriteEndElement();
return(expression);
}
public override LiteralExpression VisitLiteralValue(LiteralExpression expression)
{
_ilEmitContext.AddParameter(expression, expression.GetValue(), expression.ExpressionType);
return(expression);
}
private static bool VisitLiteralValue(LiteralExpression node1, LiteralExpression node2)
{
return node2 != null &&
Equals(node1.GetValue(), node2.GetValue());
}
private static bool VisitLiteralValue(LiteralExpression node1, LiteralExpression node2)
{
return(node2 != null &&
Equals(node1.GetValue(), node2.GetValue()));
}
public override LiteralExpression VisitLiteralValue(LiteralExpression expression)
{
if (expression.GetValue() == null)
_writer.WriteNull();
else
{
switch (expression.PrimitiveType)
{
case PrimitiveType.None:
if (expression.ExpressionType != typeof(DateTime))
goto case PrimitiveType.Object;
_writer.WriteLiteral(expression.AsDateTime);
break;
case PrimitiveType.Object:
_writer.WriteLiteral(expression.GetValue());
break;
case PrimitiveType.Boolean:
_writer.WriteLiteral(expression.AsBoolean);
break;
case PrimitiveType.Byte:
case PrimitiveType.SByte:
case PrimitiveType.Int16:
case PrimitiveType.UInt16:
case PrimitiveType.UInt32:
case PrimitiveType.UInt64:
_writer.WriteLiteral(expression.AsInt64, expression.ExpressionType);
break;
case PrimitiveType.Int32:
case PrimitiveType.Int64:
_writer.WriteLiteral(expression.AsInt64);
break;
case PrimitiveType.Char:
_writer.WriteLiteral(expression.AsString[0]);
break;
case PrimitiveType.String:
_writer.WriteLiteral(expression.AsString);
break;
case PrimitiveType.Single:
case PrimitiveType.Decimal:
_writer.WriteLiteral(expression.AsDouble, expression.ExpressionType);
break;
case PrimitiveType.Double:
_writer.WriteLiteral(expression.AsDouble);
break;
default:
throw ExceptionBuilder.UnhandledCaseLabel(expression.PrimitiveType);
}
}
return expression;
}
public override LiteralExpression VisitLiteralValue(LiteralExpression expression)
{
if (expression.GetValue() == null)
{
_writer.WriteNull();
}
else
{
switch (expression.PrimitiveType)
{
case PrimitiveType.None:
if (expression.ExpressionType != typeof(DateTime))
{
goto case PrimitiveType.Object;
}
_writer.WriteLiteral(expression.AsDateTime);
break;
case PrimitiveType.Object:
_writer.WriteLiteral(expression.GetValue());
break;
case PrimitiveType.Boolean:
_writer.WriteLiteral(expression.AsBoolean);
break;
case PrimitiveType.Byte:
case PrimitiveType.SByte:
case PrimitiveType.Int16:
case PrimitiveType.UInt16:
case PrimitiveType.UInt32:
case PrimitiveType.UInt64:
_writer.WriteLiteral(expression.AsInt64, expression.ExpressionType);
break;
case PrimitiveType.Int32:
case PrimitiveType.Int64:
_writer.WriteLiteral(expression.AsInt64);
break;
case PrimitiveType.Char:
_writer.WriteLiteral(expression.AsString[0]);
break;
case PrimitiveType.String:
_writer.WriteLiteral(expression.AsString);
break;
case PrimitiveType.Single:
case PrimitiveType.Decimal:
_writer.WriteLiteral(expression.AsDouble, expression.ExpressionType);
break;
case PrimitiveType.Double:
_writer.WriteLiteral(expression.AsDouble);
break;
default:
throw ExceptionBuilder.UnhandledCaseLabel(expression.PrimitiveType);
}
}
return(expression);
}
public override LiteralExpression VisitLiteralValue(LiteralExpression expression)
{
_ilEmitContext.AddParameter(expression, expression.GetValue(), expression.ExpressionType);
return expression;
}
public override LiteralExpression VisitLiteralValue(LiteralExpression expression)
{
_xmlWriter.WriteStartElement("literalExpression");
_xmlWriter.WriteStartElement("value");
WriteTypeAttribute(expression.ExpressionType);
object value = expression.GetValue();
if (NullHelper.IsNull(value))
_xmlWriter.WriteAttributeString("value", "<null>");
else
_xmlWriter.WriteAttributeString("value", value.ToString());
_xmlWriter.WriteEndElement();
_xmlWriter.WriteEndElement();
return expression;
}