private void AnalyzeMemberAccessExpressionsVb(SyntaxNodeAnalysisContext context)
{
var memberAccessExpression = (VBSyntax.MemberAccessExpressionSyntax)context.Node;
// If the accessed member isn't named "Current" bail out
if (!TargetMember.Equals(memberAccessExpression.Name.Identifier.ValueText, StringComparison.Ordinal))
{
return;
}
// If the call is to a method called Current then bail out since they're
// not using the HttpContext.Current property
if (memberAccessExpression.Parent is VBSyntax.InvocationExpressionSyntax)
{
return;
}
// Get the identifier accessed
var accessedIdentifier = memberAccessExpression.Expression switch
{
VBSyntax.IdentifierNameSyntax i => i,
VBSyntax.MemberAccessExpressionSyntax m => m.DescendantNodes().OfType <VBSyntax.IdentifierNameSyntax>().LastOrDefault(),
_ => null
};
AnalyzeMemberAccessExpressions(context, memberAccessExpression, accessedIdentifier, accessedIdentifier?.Identifier.ValueText);
}
bool TryConvertRaiseEvent(CSS.IfStatementSyntax node, out IdentifierNameSyntax name, List <ArgumentSyntax> arguments)
{
name = null;
var condition = node.Condition;
while (condition is CSS.ParenthesizedExpressionSyntax)
{
condition = ((CSS.ParenthesizedExpressionSyntax)condition).Expression;
}
if (!(condition is CSS.BinaryExpressionSyntax))
{
return(false);
}
var be = (CSS.BinaryExpressionSyntax)condition;
if (!be.IsKind(CS.SyntaxKind.NotEqualsExpression) || (!be.Left.IsKind(CS.SyntaxKind.NullLiteralExpression) && !be.Right.IsKind(CS.SyntaxKind.NullLiteralExpression)))
{
return(false);
}
CSS.ExpressionStatementSyntax singleStatement;
if (node.Statement is CSS.BlockSyntax)
{
var block = ((CSS.BlockSyntax)node.Statement);
if (block.Statements.Count != 1)
{
return(false);
}
singleStatement = block.Statements[0] as CSS.ExpressionStatementSyntax;
}
else
{
singleStatement = node.Statement as CSS.ExpressionStatementSyntax;
}
if (singleStatement == null || !(singleStatement.Expression is CSS.InvocationExpressionSyntax))
{
return(false);
}
var possibleEventName = GetPossibleEventName(be.Left) ?? GetPossibleEventName(be.Right);
if (possibleEventName == null)
{
return(false);
}
var invocation = (CSS.InvocationExpressionSyntax)singleStatement.Expression;
var invocationName = GetPossibleEventName(invocation.Expression);
if (possibleEventName != invocationName)
{
return(false);
}
name = SyntaxFactory.IdentifierName(possibleEventName);
arguments.AddRange(invocation.ArgumentList.Arguments.Select(a => (ArgumentSyntax)a.Accept(_nodesVisitor)));
return(true);
}