private void AnalyzeInvocation(SyntaxNodeAnalysisContext syntaxNodeContext)
{
var invocationExpression = (TInvocationExpressionSyntax)syntaxNodeContext.Node;
var methodSymbolInfo = syntaxNodeContext.SemanticModel.GetSymbolInfo(invocationExpression);
if (methodSymbolInfo.Symbol?.Kind != SymbolKind.Method)
{
return;
}
var methodSymbol = (IMethodSymbol)methodSymbolInfo.Symbol;
if (SupportsCallInfo(syntaxNodeContext, invocationExpression, methodSymbol) == false)
{
return;
}
var substituteCallParameters = GetSubstituteCallArgumentOperations(syntaxNodeContext, methodSymbol, invocationExpression);
if (substituteCallParameters == null)
{
return;
}
foreach (var argumentExpressionSyntax in GetArgumentExpressions(invocationExpression))
{
var callInfoContext = _callInfoFinder.GetCallInfoContext(syntaxNodeContext.SemanticModel, argumentExpressionSyntax);
AnalyzeArgAtInvocations(syntaxNodeContext, callInfoContext, substituteCallParameters);
AnalyzeArgInvocations(syntaxNodeContext, callInfoContext, substituteCallParameters);
AnalyzeIndexerInvocations(syntaxNodeContext, callInfoContext, substituteCallParameters);
}
}
private IEnumerable <TIndexerExpressionSyntax> FindCallInfoIndexers(SyntaxNodeAnalysisContext syntaxNodeContext, TInvocationExpressionSyntax invocationExpressionSyntax)
{
// perf - dont use linq in hotpaths
foreach (var argumentExpression in GetArgumentExpressions(invocationExpressionSyntax))
{
foreach (var indexerExpressionSyntax in _callInfoFinder.GetCallInfoContext(syntaxNodeContext.SemanticModel, argumentExpression).IndexerAccesses)
{
if (IsAssigned(syntaxNodeContext, indexerExpressionSyntax))
{
yield return(indexerExpressionSyntax);
}
}
}
}
private IEnumerable <TIndexerExpressionSyntax> FindCallInfoIndexers(SyntaxNodeAnalysisContext syntaxNodeContext, TInvocationExpressionSyntax invocationExpressionSyntax)
{
return(GetArgumentExpressions(invocationExpressionSyntax).SelectMany(argument => _callInfoFinder.GetCallInfoContext(syntaxNodeContext.SemanticModel, argument).IndexerAccesses)
.Where(indexerExpression => IsAssigned(syntaxNodeContext, indexerExpression)));
}
