private static List <object> VisitDynamicCSharpExpression(DynamicCSharpExpression node)
{
var args = new List <object>();
VisitDynamicCSharpExpression(node, args);
return(args);
}
/// <summary>
/// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="object">The <see cref="Object" /> property of the result.</param>
/// <param name="arguments">The <see cref="Arguments" /> property of the result.</param>
/// <returns>This expression if no children changed, or an expression with the updated children.</returns>
public GetMemberDynamicCSharpExpression Update(Expression @object, IEnumerable <DynamicCSharpArgument> arguments)
{
if (@object == Object && SameElements(ref arguments, Arguments))
{
return(this);
}
return(DynamicCSharpExpression.DynamicGetMember(@object, Name, arguments, Flags, Context));
}
/// <summary>
/// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="expression">The <see cref="Expression" /> property of the result.</param>
/// <param name="arguments">The <see cref="Arguments" /> property of the result.</param>
/// <returns>This expression if no children changed, or an expression with the updated children.</returns>
public InvokeDynamicCSharpExpression Update(Expression expression, IEnumerable <DynamicCSharpArgument> arguments)
{
if (expression == Expression && SameElements(ref arguments, Arguments))
{
return(this);
}
return(DynamicCSharpExpression.DynamicInvoke(expression, arguments, Flags, Context));
}
/// <summary>
/// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="expression">The <see cref="Expression" /> property of the result.</param>
/// <param name="arguments">The <see cref="Arguments" /> property of the result.</param>
/// <returns>This expression if no children changed, or an expression with the updated children.</returns>
public InvokeDynamicCSharpExpression Update(Expression expression, IEnumerable <DynamicCSharpArgument> arguments)
{
if (expression == this.Expression && arguments == this.Arguments)
{
return(this);
}
return(DynamicCSharpExpression.DynamicInvoke(expression, arguments, Flags, Context));
}
/// <summary>
/// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="expression">The <see cref="Expression" /> property of the result.</param>
/// <returns>This expression if no children changed, or an expression with the updated children.</returns>
public DynamicCSharpArgument Update(Expression expression)
{
if (expression == Expression)
{
return(this);
}
return(DynamicCSharpExpression.DynamicArgument(expression, Name, Flags));
}
public override InvokeMemberDynamicCSharpExpression Update(Expression @object, IEnumerable <DynamicCSharpArgument> arguments)
{
if (@object == this.Object && arguments == this.Arguments)
{
return(this);
}
return(DynamicCSharpExpression.DynamicInvokeMember(Target, Name, TypeArguments, arguments, Flags, Context));
}
/// <summary>
/// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="operand">The <see cref="Operand" /> property of the result.</param>
/// <returns>This expression if no children changed, or an expression with the updated children.</returns>
public AssignUnaryDynamicCSharpExpression Update(DynamicCSharpArgument operand)
{
if (operand == Operand)
{
return(this);
}
return(DynamicCSharpExpression.MakeDynamicUnaryAssign(OperationNodeType, operand, Flags, Context));
}
/// <summary>
/// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="left">The <see cref="Left" /> property of the result.</param>
/// <param name="right">The <see cref="Right" /> property of the result.</param>
/// <returns>This expression if no children changed, or an expression with the updated children.</returns>
public BinaryDynamicCSharpExpression Update(DynamicCSharpArgument left, DynamicCSharpArgument right)
{
if (left == Left && right == Right)
{
return(this);
}
return(DynamicCSharpExpression.MakeDynamicBinary(OperationNodeType, left, right, Flags, Context));
}
public override InvokeMemberDynamicCSharpExpression Update(Expression @object, IEnumerable<DynamicCSharpArgument> arguments)
{
if (@object == Object && SameElements(ref arguments, Arguments))
{
return this;
}
return DynamicCSharpExpression.DynamicInvokeMember(Target, Name, TypeArguments, arguments, Flags, Context);
}
/// <summary>
/// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="expression">The <see cref="Expression" /> property of the result.</param>
/// <returns>This expression if no children changed, or an expression with the updated children.</returns>
public ConvertDynamicCSharpExpression Update(Expression expression)
{
if (expression == Expression)
{
return(this);
}
return(DynamicCSharpExpression.DynamicConvert(expression, Type, Flags, Context));
}
/// <summary>
/// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="object">The <see cref="Object" /> property of the result.</param>
/// <param name="arguments">The <see cref="Arguments" /> property of the result.</param>
/// <returns>This expression if no children changed, or an expression with the updated children.</returns>
public GetIndexDynamicCSharpExpression Update(Expression @object, IEnumerable <DynamicCSharpArgument> arguments)
{
if (@object == this.Object && arguments == this.Arguments)
{
return(this);
}
return(DynamicCSharpExpression.DynamicGetIndex(@object, arguments, Flags, Context));
}
/// <summary>
/// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="arguments">The <see cref="Arguments" /> property of the result.</param>
/// <returns>This expression if no children changed, or an expression with the updated children.</returns>
public InvokeConstructorDynamicCSharpExpression Update(IEnumerable <DynamicCSharpArgument> arguments)
{
if (arguments == this.Arguments)
{
return(this);
}
return(DynamicCSharpExpression.DynamicInvokeConstructor(Type, arguments, Flags, Context));
}
internal override Expression ReduceGetResult(Expression awaiter)
{
return
(DynamicCSharpExpression.DynamicInvokeMember(
awaiter,
"GetResult",
Array.Empty <Type>(),
Array.Empty <DynamicCSharpArgument>(),
ResultDiscarded ? CSharpBinderFlags.ResultDiscarded : CSharpBinderFlags.None,
Context
));
}
private static void VisitDynamicCSharpExpression(DynamicCSharpExpression node, List <object> args)
{
if (node.Flags != CSharpBinderFlags.None)
{
args.Add(new XAttribute(nameof(node.Flags), node.Flags));
}
if (node.Context != null)
{
args.Add(new XAttribute(nameof(node.Context), node.Context));
}
}
internal override Expression ReduceGetAwaiter(Expression operand)
{
// TODO: support ICriticalNotifyCompletion?
return
(Expression.Convert(
DynamicCSharpExpression.DynamicInvokeMember(
operand,
"GetAwaiter",
Array.Empty <Type>(),
Array.Empty <DynamicCSharpArgument>(),
CSharpBinderFlags.None,
Context
),
typeof(INotifyCompletion)
));
}
internal override Expression ReduceIsCompleted(Expression awaiter)
{
return
(DynamicCSharpExpression.DynamicConvert(
DynamicCSharpExpression.DynamicGetMember(
awaiter,
"IsCompleted",
Array.Empty <DynamicCSharpArgument>(),
CSharpBinderFlags.None,
Context
),
typeof(bool),
CSharpBinderFlags.ConvertExplicit,
Context
));
}
private Expression ReduceLogical(bool isAndAlso)
{
var leftVariable = Expression.Parameter(Type, "__left");
var resultVariable = Expression.Parameter(Type, "__result");
var left = Left.Update(leftVariable);
Expression check;
ExpressionType underlyingOperation;
if (isAndAlso)
{
check = DynamicCSharpExpression.DynamicIsFalse(left, CSharpBinderFlags.None, Context);
underlyingOperation = ExpressionType.And;
}
else
{
check = DynamicCSharpExpression.DynamicIsTrue(left, CSharpBinderFlags.None, Context);
underlyingOperation = ExpressionType.Or;
}
var flags = Flags & ~CSharpBinderFlags.BinaryOperationLogical;
var operation = DynamicCSharpExpression.MakeDynamicBinary(underlyingOperation, left, Right, flags, Context);
var body =
Expression.IfThenElse(
check,
Expression.Assign(resultVariable, leftVariable),
Expression.Assign(resultVariable, operation)
);
var res =
Expression.Block(
Type,
new[] { leftVariable, resultVariable },
Expression.Assign(leftVariable, Left.Expression),
body,
resultVariable
);
return(res);
}
/// <summary>
/// Creates a new expression that is like this one, but using the supplied children.
/// </summary>
/// <param name="operand">The <see cref="UnaryCSharpExpression.Operand" /> property of the result.</param>
/// <returns>An expression with the updated children.</returns>
protected internal override AwaitCSharpExpression Rewrite(Expression operand)
{
return(DynamicCSharpExpression.DynamicAwait(operand, Type == typeof(void), Context));
}
public DynamicCSharpExpressionProxy(DynamicCSharpExpression node)
{
_node = node;
}
public DynamicCSharpExpressionProxy(DynamicCSharpExpression node)
{
_node = node;
}