本文整理汇总了C#中ExpressionSyntax.IsParentKind方法的典型用法代码示例。如果您正苦于以下问题：C# ExpressionSyntax.IsParentKind方法的具体用法？C# ExpressionSyntax.IsParentKind怎么用？C# ExpressionSyntax.IsParentKind使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ExpressionSyntax的用法示例。
在下文中一共展示了ExpressionSyntax.IsParentKind方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: IsAmbiguousCast
private static bool IsAmbiguousCast(ExpressionSyntax expression, ExpressionSyntax simplifiedNode)
{
// Can't simplify a type name in a cast expression if it would then cause the cast to be
// parsed differently. For example: (Foo::Bar)+1 is a cast. But if that simplifies to
// (Bar)+1 then that's an arithmetic expression.
if (expression.IsParentKind(SyntaxKind.CastExpression))
{
var castExpression = (CastExpressionSyntax)expression.Parent;
if (castExpression.Type == expression)
{
var newCastExpression = castExpression.ReplaceNode(castExpression.Type, simplifiedNode);
var reparsedCastExpression = SyntaxFactory.ParseExpression(newCastExpression.ToString());
if (!reparsedCastExpression.IsKind(SyntaxKind.CastExpression))
{
return true;
}
}
}
return false;
}示例2: IsNonNameSyntaxInUsingDirective
private static bool IsNonNameSyntaxInUsingDirective(ExpressionSyntax expression, ExpressionSyntax simplifiedNode)
{
return
expression.IsParentKind(SyntaxKind.UsingDirective) &&
!(simplifiedNode is NameSyntax);
}示例3: IsNextExpressionPotentiallyAmbiguous
private static bool IsNextExpressionPotentiallyAmbiguous(ExpressionSyntax node)
{
ExpressionSyntax nextExpression = null;
if (node.IsParentKind(SyntaxKind.Argument))
{
var argument = (ArgumentSyntax)node.Parent;
var argumentList = argument.Parent as ArgumentListSyntax;
if (argumentList != null)
{
var argumentIndex = argumentList.Arguments.IndexOf(argument);
if (argumentIndex >= 0 && argumentIndex < argumentList.Arguments.Count - 1)
{
nextExpression = argumentList.Arguments[argumentIndex + 1].Expression;
}
}
}
else if (node.Parent is InitializerExpressionSyntax)
{
var initializer = (InitializerExpressionSyntax)node.Parent;
var expressionIndex = initializer.Expressions.IndexOf(node);
if (expressionIndex >= 0 && expressionIndex < initializer.Expressions.Count - 1)
{
nextExpression = initializer.Expressions[expressionIndex + 1];
}
}
if (nextExpression == null ||
!nextExpression.IsKind(SyntaxKind.GreaterThanExpression))
{
return false;
}
var greaterThanExpression = (BinaryExpressionSyntax)nextExpression;
return IsSimpleOrDottedName(greaterThanExpression.Left)
&& greaterThanExpression.Right.IsKind(SyntaxKind.ParenthesizedExpression);
}示例4: IsPreviousExpressionPotentiallyAmbiguous
private static bool IsPreviousExpressionPotentiallyAmbiguous(ExpressionSyntax node)
{
ExpressionSyntax previousExpression = null;
if (node.IsParentKind(SyntaxKind.Argument))
{
var argument = (ArgumentSyntax)node.Parent;
var argumentList = argument.Parent as ArgumentListSyntax;
if (argumentList != null)
{
var argumentIndex = argumentList.Arguments.IndexOf(argument);
if (argumentIndex > 0)
{
previousExpression = argumentList.Arguments[argumentIndex - 1].Expression;
}
}
}
else if (node.Parent is InitializerExpressionSyntax)
{
var initializer = (InitializerExpressionSyntax)node.Parent;
var expressionIndex = initializer.Expressions.IndexOf(node);
if (expressionIndex > 0)
{
previousExpression = initializer.Expressions[expressionIndex - 1];
}
}
if (previousExpression == null ||
!previousExpression.IsKind(SyntaxKind.LessThanExpression))
{
return false;
}
var lessThanExpression = (BinaryExpressionSyntax)previousExpression;
return IsSimpleOrDottedName(lessThanExpression.Left)
&& IsSimpleOrDottedName(lessThanExpression.Right);
}示例5: IsDynamicInvocation
private static bool IsDynamicInvocation(ExpressionSyntax castExpression, SemanticModel semanticModel, CancellationToken cancellationToken)
{
if (castExpression.IsParentKind(SyntaxKind.Argument) &&
castExpression.Parent.Parent.IsKind(SyntaxKind.ArgumentList, SyntaxKind.BracketedArgumentList) &&
castExpression.Parent.Parent.Parent.IsKind(SyntaxKind.InvocationExpression, SyntaxKind.ElementAccessExpression))
{
var typeInfo = default(TypeInfo);
if (castExpression.Parent.Parent.IsParentKind(SyntaxKind.InvocationExpression))
{
typeInfo = semanticModel.GetTypeInfo((InvocationExpressionSyntax)castExpression.Parent.Parent.Parent, cancellationToken);
}
if (castExpression.Parent.Parent.IsParentKind(SyntaxKind.ElementAccessExpression))
{
typeInfo = semanticModel.GetTypeInfo((ElementAccessExpressionSyntax)castExpression.Parent.Parent.Parent, cancellationToken);
}
if (typeInfo.Type != null && typeInfo.Type.Kind == SymbolKind.DynamicType)
{
return true;
}
}
return false;
}示例6: CollectMemberAccessExpressionTerms
private static void CollectMemberAccessExpressionTerms(int position, ExpressionSyntax expression, IList<string> terms, ref ExpressionType expressionType)
{
var flags = ExpressionType.Invalid;
// These operators always have a RHS of a name node, which we know would
// "claim" to be a valid term, but is not valid without the LHS present.
// So, we don't bother collecting anything from the RHS...
var memberAccess = (MemberAccessExpressionSyntax)expression;
CollectExpressionTerms(position, memberAccess.Expression, terms, ref flags);
// If the LHS says it's a valid term, then we add it ONLY if our PARENT
// is NOT another dot/arrow. This allows the expression 'a.b.c.d' to
// add both 'a.b.c.d' and 'a.b.c', but not 'a.b' and 'a'.
if ((flags & ExpressionType.ValidTerm) == ExpressionType.ValidTerm &&
!expression.IsParentKind(SyntaxKind.MemberAccessExpression) &&
!expression.IsParentKind(SyntaxKind.PointerMemberAccessExpression))
{
terms.Add(ConvertToString(memberAccess.Expression));
}
// And this expression itself is a valid term if the LHS is a valid
// expression, and its PARENT is not an invocation.
if ((flags & ExpressionType.ValidExpression) == ExpressionType.ValidExpression &&
!expression.IsParentKind(SyntaxKind.InvocationExpression))
{
expressionType = ExpressionType.ValidTerm;
}
else
{
expressionType = ExpressionType.ValidExpression;
}
}