public static void Analyze(
SyntaxNodeAnalysisContext context,
InvocationExpressionSyntax invocation,
MemberAccessExpressionSyntax memberAccess)
{
if (memberAccess.Expression?.IsKind(SyntaxKind.InvocationExpression) == true)
{
var invocation2 = (InvocationExpressionSyntax)memberAccess.Expression;
if (invocation2.ArgumentList?.Arguments.Count == 1 &&
invocation2.Expression?.IsKind(SyntaxKind.SimpleMemberAccessExpression) == true)
{
var memberAccess2 = (MemberAccessExpressionSyntax)invocation2.Expression;
SemanticModel semanticModel = context.SemanticModel;
CancellationToken cancellationToken = context.CancellationToken;
if (string.Equals(memberAccess2.Name?.Identifier.ValueText, "Where", StringComparison.Ordinal))
{
ExtensionMethodInfo info2 = semanticModel.GetExtensionMethodInfo(invocation2, ExtensionMethodKind.Reduced, cancellationToken);
if (info2.IsLinqExtensionOfIEnumerableOfT("Where", parameterCount: 2))
{
if (SymbolUtility.IsPredicateFunc(
info2.Symbol.Parameters[1].Type,
info2.Symbol.TypeArguments[0],
semanticModel))
{
if (semanticModel
.GetExtensionMethodInfo(invocation, ExtensionMethodKind.Reduced, cancellationToken)
.IsLinqWhere())
{
Analyze(context, invocation, invocation2, memberAccess, memberAccess2);
}
}
else if (SymbolUtility.IsPredicateFunc(
info2.Symbol.Parameters[1].Type,
info2.Symbol.TypeArguments[0],
semanticModel.Compilation.GetSpecialType(SpecialType.System_Int32),
semanticModel))
{
if (semanticModel
.GetExtensionMethodInfo(invocation, ExtensionMethodKind.Reduced, cancellationToken)
.IsLinqWhereWithIndex())
{
Analyze(context, invocation, invocation2, memberAccess, memberAccess2);
}
}
}
}
}
}
}
