本文整理汇总了C#中InvocationExpressionSyntax.FirstAncestorOfKind方法的典型用法代码示例。如果您正苦于以下问题：C# InvocationExpressionSyntax.FirstAncestorOfKind方法的具体用法？C# InvocationExpressionSyntax.FirstAncestorOfKind怎么用？C# InvocationExpressionSyntax.FirstAncestorOfKind使用的例子？那么恭喜您, 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InvocationExpressionSyntax的用法示例。
在下文中一共展示了InvocationExpressionSyntax.FirstAncestorOfKind方法的3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: HasCheckForNullThatReturns
private static bool HasCheckForNullThatReturns(InvocationExpressionSyntax invocation, SemanticModel semanticModel, ISymbol symbol)
{
var method = invocation.FirstAncestorOfKind(SyntaxKind.MethodDeclaration) as MethodDeclarationSyntax;
if (method != null && method.Body != null)
{
var ifs = method.Body.Statements.OfKind(SyntaxKind.IfStatement);
foreach (IfStatementSyntax @if in ifs)
{
if ([email protected]?.IsKind(SyntaxKind.EqualsExpression) ?? true) continue;
var equals = (BinaryExpressionSyntax)@if.Condition;
if (equals.Left == null || equals.Right == null) continue;
if (@if.GetLocation().SourceSpan.Start > invocation.GetLocation().SourceSpan.Start) return false;
ISymbol identifierSymbol;
if (equals.Right.IsKind(SyntaxKind.NullLiteralExpression) && equals.Left.IsKind(SyntaxKind.IdentifierName))
identifierSymbol = semanticModel.GetSymbolInfo(equals.Left).Symbol;
else if (equals.Left.IsKind(SyntaxKind.NullLiteralExpression) && equals.Right.IsKind(SyntaxKind.IdentifierName))
identifierSymbol = semanticModel.GetSymbolInfo(equals.Right).Symbol;
else continue;
if (!symbol.Equals(identifierSymbol)) continue;
if (@if.Statement == null) continue;
if (@if.Statement.IsKind(SyntaxKind.Block))
{
var ifBlock = (BlockSyntax)@if.Statement;
if (ifBlock.Statements.OfKind(SyntaxKind.ThrowStatement, SyntaxKind.ReturnStatement).Any()) return true;
}
else
{
if (@if.Statement.IsAnyKind(SyntaxKind.ThrowStatement, SyntaxKind.ReturnStatement)) return true;
}
}
}
return false;
}示例2: OtherMethodExists
private static bool OtherMethodExists(InvocationExpressionSyntax invocation, SimpleNameSyntax nameToCheck, SemanticModel semanticModel)
{
var otherExpression = CreateExpressionWithNewName(invocation, nameToCheck);
var statement = invocation.FirstAncestorOrSelfThatIsAStatement();
SemanticModel speculativeModel;
if (statement != null)
{
var otherStatement = statement.ReplaceNode(invocation.Expression, otherExpression);
if (!semanticModel.TryGetSpeculativeSemanticModel(statement.SpanStart, otherStatement, out speculativeModel)) return false;
}
else
{
var arrow = (ArrowExpressionClauseSyntax)invocation.FirstAncestorOfKind(SyntaxKind.ArrowExpressionClause);
if (arrow == null) return false;
var otherArrow = arrow.ReplaceNode(invocation.Expression, otherExpression);
if (!semanticModel.TryGetSpeculativeSemanticModel(arrow.SpanStart, otherArrow, out speculativeModel)) return false;
}
var symbol = speculativeModel.GetSymbolInfo(speculativeModel.SyntaxTree.GetRoot().GetAnnotatedNodes(speculativeAnnotationDescription).First()).Symbol;
return symbol != null;
}示例3: IsPartOfALogicalOrThatChecksForNull
private static bool IsPartOfALogicalOrThatChecksForNull(InvocationExpressionSyntax invocation, SemanticModel semanticModel, ISymbol symbol) =>
IsConditionThatChecksForEqualsNull(invocation.FirstAncestorOfKind<BinaryExpressionSyntax>(SyntaxKind.LogicalOrExpression)?.Left, semanticModel, symbol);