private void AnalyzeSymbol(SymbolUsageAnalysisContext context, PlatformCompatOptions options)
{
var symbol = context.Symbol;
// We only want to handle a specific set of symbols
var isApplicable = symbol.Kind == SymbolKind.Event ||
symbol.Kind == SymbolKind.Field ||
symbol.Kind == SymbolKind.Method ||
symbol.Kind == SymbolKind.NamedType ||
symbol.Kind == SymbolKind.Namespace ||
symbol.Kind == SymbolKind.Property;
if (!isApplicable)
{
return;
}
if (!_store.Value.TryLookup(symbol, out var entry))
{
return;
}
var api = symbol.ToDisplayString(SymbolDisplayFormat.CSharpShortErrorMessageFormat);
var location = context.GetLocation();
var diagnostic = Diagnostic.Create(Rule, location, api);
context.ReportDiagnostic(diagnostic);
}
private void AnalyzeSymbol(SymbolUsageAnalysisContext context, PlatformCompatOptions options)
{
var symbol = context.Symbol;
// We only want to handle a specific set of symbols
var isApplicable = symbol.Kind == SymbolKind.Method ||
symbol.Kind == SymbolKind.Property ||
symbol.Kind == SymbolKind.Event;
if (!isApplicable)
{
return;
}
if (!_store.Value.TryLookup(symbol, out var entry))
{
return;
}
// Check that the affected platforms aren't suppressed
var maskedPlatforms = entry.Data & ~options.IgnoredPlatforms;
if (maskedPlatforms == Platform.None)
{
return;
}
var api = symbol.ToDisplayString(SymbolDisplayFormat.CSharpShortErrorMessageFormat);
var location = context.GetLocation();
var list = maskedPlatforms.ToFriendlyString();
var diagnostic = Diagnostic.Create(Rule, location, api, list);
context.ReportDiagnostic(diagnostic);
}
public override void Initialize(AnalysisContext context)
{
context.RegisterCompilationStartAction(startContext =>
{
var settings = startContext.Options.GetFileSettings(PlatformCompatOptions.SettingsName);
var options = new PlatformCompatOptions(settings);
// We only want to run if the project is targeting .NET Standard.
var shouldRun = options.TargetFrameworkIsNetStandard();
if (!shouldRun)
{
return;
}
startContext.RegisterSymbolUsageAction(
usageContext => AnalyzeSymbol(usageContext, options)
);
});
}
private void AnalyzeMethod(SymbolAnalysisContext context, PlatformCompatOptions options)
{
var symbol = (IMethodSymbol)context.Symbol;
var dllImportData = symbol.GetDllImportData();
if (dllImportData == null)
{
return;
}
var entryPoint = dllImportData.EntryPointName ?? symbol.Name;
var moduleName = dllImportData.ModuleName;
var key = (entryPoint, moduleName);
if (_modernSdk.Value.Contains(key))
{
return;
}
var location = symbol.Locations.First();
var diagnostic = Diagnostic.Create(Rule, location, moduleName, entryPoint);
context.ReportDiagnostic(diagnostic);
}
