private static void HandleIdentifierNameImpl(SyntaxNodeAnalysisContext context, IdentifierNameSyntax nameExpression)
{
if (nameExpression == null)
{
return;
}
if (!HasThis(nameExpression))
{
return;
}
SymbolInfo symbolInfo = context.SemanticModel.GetSymbolInfo(nameExpression, context.CancellationToken);
ImmutableArray<ISymbol> symbolsToAnalyze;
if (symbolInfo.Symbol != null)
{
symbolsToAnalyze = ImmutableArray.Create(symbolInfo.Symbol);
}
else if (symbolInfo.CandidateReason == CandidateReason.MemberGroup)
{
// analyze the complete set of candidates, and use 'this.' if it applies to all
symbolsToAnalyze = symbolInfo.CandidateSymbols;
}
else
{
return;
}
foreach (ISymbol symbol in symbolsToAnalyze)
{
if (symbol is ITypeSymbol)
{
return;
}
if (symbol.IsStatic)
{
return;
}
if (!(symbol.ContainingSymbol is ITypeSymbol))
{
// covers local variables, parameters, etc.
return;
}
IMethodSymbol methodSymbol = symbol as IMethodSymbol;
if (methodSymbol != null && methodSymbol.MethodKind == MethodKind.Constructor)
{
return;
}
}
// Prefix local calls with this
context.ReportDiagnostic(Diagnostic.Create(Descriptor, nameExpression.GetLocation()));
}
