/// <summary>Visits an unary expression.</summary>
/// <param name="expression">Expression to be visited.</param>
/// <returns>Expression visited</returns>
protected override System.Linq.Expressions.Expression VisitUnary(System.Linq.Expressions.UnaryExpression expression)
{
MethodNames operatorName;
System.Linq.Expressions.ExpressionType expressionType = expression.NodeType;
switch (expression.NodeType)
{
case System.Linq.Expressions.ExpressionType.Convert:
case System.Linq.Expressions.ExpressionType.TypeAs:
return(Visit(expression.Operand));
default:
string methodName = Enum.GetNames(typeof(MethodNames)).Where(item => item == expressionType.ToString()).FirstOrDefault();
if (!System.String.IsNullOrEmpty(methodName))
{
operatorName = (MethodNames)Enum.Parse(typeof(MethodNames), methodName);
}
else
{
return(base.VisitUnary(expression));
}
break;
}
UnaryOperator unaryOperator = new UnaryOperator(operatorName);
HandleComponent(unaryOperator);
Visit(expression.Operand);
CleanupComponent(_lastComponent);
_lastComponent = unaryOperator;
return(expression);
}
private string Visit(System.Linq.Expressions.ExpressionType op)
{
switch (op)
{
case System.Linq.Expressions.ExpressionType.Add: return("+");
case System.Linq.Expressions.ExpressionType.AddAssign: return("+=");
case System.Linq.Expressions.ExpressionType.AddAssignChecked: break;
case System.Linq.Expressions.ExpressionType.AddChecked: break;
case System.Linq.Expressions.ExpressionType.And: return("&");
case System.Linq.Expressions.ExpressionType.AndAlso: return("&&");
case System.Linq.Expressions.ExpressionType.AndAssign: return("&=");
case System.Linq.Expressions.ExpressionType.ArrayIndex: break;
case System.Linq.Expressions.ExpressionType.ArrayLength: break;
case System.Linq.Expressions.ExpressionType.Assign: return("=");
case System.Linq.Expressions.ExpressionType.Block: break;
case System.Linq.Expressions.ExpressionType.Call: break;
case System.Linq.Expressions.ExpressionType.Coalesce: return("??");
case System.Linq.Expressions.ExpressionType.Conditional: break;
case System.Linq.Expressions.ExpressionType.Constant: break;
case System.Linq.Expressions.ExpressionType.Convert: break;
case System.Linq.Expressions.ExpressionType.ConvertChecked: break;
case System.Linq.Expressions.ExpressionType.DebugInfo: break;
case System.Linq.Expressions.ExpressionType.Decrement: break;
case System.Linq.Expressions.ExpressionType.Default: break;
case System.Linq.Expressions.ExpressionType.Divide: return("/");
case System.Linq.Expressions.ExpressionType.DivideAssign: return("/=");
case System.Linq.Expressions.ExpressionType.Dynamic: break;
case System.Linq.Expressions.ExpressionType.Equal: return("==");
case System.Linq.Expressions.ExpressionType.ExclusiveOr: return("^");
case System.Linq.Expressions.ExpressionType.ExclusiveOrAssign: return("^=");
case System.Linq.Expressions.ExpressionType.Extension: break;
case System.Linq.Expressions.ExpressionType.Goto: break;
case System.Linq.Expressions.ExpressionType.GreaterThan: return(">");
case System.Linq.Expressions.ExpressionType.GreaterThanOrEqual: return(">=");
case System.Linq.Expressions.ExpressionType.Increment: break;
case System.Linq.Expressions.ExpressionType.Index: break;
case System.Linq.Expressions.ExpressionType.Invoke: break;
case System.Linq.Expressions.ExpressionType.IsFalse: break;
case System.Linq.Expressions.ExpressionType.IsTrue: break;
case System.Linq.Expressions.ExpressionType.Label: break;
case System.Linq.Expressions.ExpressionType.Lambda: break;
case System.Linq.Expressions.ExpressionType.LeftShift: return("<<");
case System.Linq.Expressions.ExpressionType.LeftShiftAssign: return("<<=");
case System.Linq.Expressions.ExpressionType.LessThan: return("<");
case System.Linq.Expressions.ExpressionType.LessThanOrEqual: return("<=");
case System.Linq.Expressions.ExpressionType.ListInit: break;
case System.Linq.Expressions.ExpressionType.Loop: break;
case System.Linq.Expressions.ExpressionType.MemberAccess: break;
case System.Linq.Expressions.ExpressionType.MemberInit: break;
case System.Linq.Expressions.ExpressionType.Modulo: return("%");
case System.Linq.Expressions.ExpressionType.ModuloAssign: return("%=");
case System.Linq.Expressions.ExpressionType.Multiply: return("*");
case System.Linq.Expressions.ExpressionType.MultiplyAssign: return("*=");
case System.Linq.Expressions.ExpressionType.MultiplyAssignChecked: break;
case System.Linq.Expressions.ExpressionType.MultiplyChecked: break;
case System.Linq.Expressions.ExpressionType.Negate: return("-");
case System.Linq.Expressions.ExpressionType.NegateChecked: break;
case System.Linq.Expressions.ExpressionType.New: break;
case System.Linq.Expressions.ExpressionType.NewArrayBounds: break;
case System.Linq.Expressions.ExpressionType.NewArrayInit: break;
case System.Linq.Expressions.ExpressionType.Not: return("!");
case System.Linq.Expressions.ExpressionType.NotEqual: return("!=");
case System.Linq.Expressions.ExpressionType.OnesComplement: return("~");
case System.Linq.Expressions.ExpressionType.Or: return("|");
case System.Linq.Expressions.ExpressionType.OrAssign: return("|=");
case System.Linq.Expressions.ExpressionType.OrElse: return("||");
case System.Linq.Expressions.ExpressionType.Parameter: break;
case System.Linq.Expressions.ExpressionType.PostDecrementAssign: return("--");
case System.Linq.Expressions.ExpressionType.PostIncrementAssign: return("++");
case System.Linq.Expressions.ExpressionType.Power: break;
case System.Linq.Expressions.ExpressionType.PowerAssign: break;
case System.Linq.Expressions.ExpressionType.PreDecrementAssign: return("--");
case System.Linq.Expressions.ExpressionType.PreIncrementAssign: return("++");
case System.Linq.Expressions.ExpressionType.Quote: break;
case System.Linq.Expressions.ExpressionType.RightShift: return(">>");
case System.Linq.Expressions.ExpressionType.RightShiftAssign: return(">>=");
case System.Linq.Expressions.ExpressionType.RuntimeVariables: break;
case System.Linq.Expressions.ExpressionType.Subtract: return("-");
case System.Linq.Expressions.ExpressionType.SubtractAssign: return("-=");
case System.Linq.Expressions.ExpressionType.SubtractAssignChecked: break;
case System.Linq.Expressions.ExpressionType.SubtractChecked: break;
case System.Linq.Expressions.ExpressionType.Switch: break;
case System.Linq.Expressions.ExpressionType.Throw: break;
case System.Linq.Expressions.ExpressionType.Try: break;
case System.Linq.Expressions.ExpressionType.TypeAs: break;
case System.Linq.Expressions.ExpressionType.TypeEqual: break;
case System.Linq.Expressions.ExpressionType.TypeIs: break;
case System.Linq.Expressions.ExpressionType.UnaryPlus: break;
case System.Linq.Expressions.ExpressionType.Unbox: break;
default: break;
}
throw new NotImplementedException(op.ToString());
}
/// <summary>Visits a binary expression.</summary>
/// <param name="expression">Expression to be visited.</param>
/// <returns>Expression visited</returns>
protected override System.Linq.Expressions.Expression VisitBinary(System.Linq.Expressions.BinaryExpression expression)
{
MethodNames operatorName;
System.Linq.Expressions.ExpressionType expressionType = expression.NodeType;
switch (expression.NodeType)
{
case System.Linq.Expressions.ExpressionType.OrElse:
expressionType = System.Linq.Expressions.ExpressionType.Or;
goto default;
case System.Linq.Expressions.ExpressionType.AndAlso:
expressionType = System.Linq.Expressions.ExpressionType.And;
goto default;
default:
string methodName = Enum.GetNames(typeof(MethodNames)).Where(item => item == expressionType.ToString()).FirstOrDefault();
if (!System.String.IsNullOrEmpty(methodName))
{
operatorName = (MethodNames)Enum.Parse(typeof(MethodNames), methodName);
}
else
{
return(base.VisitBinary(expression));
}
break;
}
BinaryOperator binaryOperator = new BinaryOperator(operatorName);
HandleComponent(binaryOperator);
Visit(expression.Left);
CleanupComponent(_lastComponent);
Visit(expression.Right);
CleanupComponent(_lastComponent);
_lastComponent = binaryOperator;
return(expression);
}
