private static bool OtherMethodExists(InvocationExpressionSyntax invocation, SimpleNameSyntax nameToCheck, SemanticModel semanticModel)
{
var otherExpression = ((MemberAccessExpressionSyntax)invocation.Expression).WithName(nameToCheck).WithAdditionalAnnotations(speculativeAnnotation);
var statement = invocation.FirstAncestorOrSelfThatIsAStatement();
var otherStatement = statement.ReplaceNode(invocation.Expression, otherExpression);
SemanticModel speculativeModel;
if (!semanticModel.TryGetSpeculativeSemanticModel(statement.SpanStart, otherStatement, out speculativeModel)) return false;
var otherInvocationSymbol = speculativeModel.GetSymbolInfo(speculativeModel.SyntaxTree.GetRoot().GetAnnotatedNodes(speculativeAnnotationDescription).First());
return otherInvocationSymbol.Symbol != null;
}
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;
}
