private void OnCompilationStart(CompilationStartAnalysisContext context)
{
var symbols = new StartupSymbols(context.Compilation);
// Don't run analyzer if ASP.NET Core types cannot be found
if (!symbols.HasRequiredSymbols)
{
return;
}
context.RegisterSymbolStartAction(context =>
{
var type = (INamedTypeSymbol)context.Symbol;
if (!StartupFacts.IsStartupClass(symbols, type))
{
// Not a startup class, nothing to do.
return;
}
// This analyzer fans out a bunch of jobs. The context will capture the results of doing analysis
// on the startup code, so that other analyzers that run later can examine them.
var startupAnalysisContext = new StartupAnalyzerContext(this, symbols);
var services = new ServicesAnalyzer(startupAnalysisContext);
var options = new OptionsAnalyzer(startupAnalysisContext);
var middleware = new MiddlewareAnalyzer(startupAnalysisContext);
context.RegisterOperationBlockStartAction(context =>
{
if (context.OwningSymbol.Kind != SymbolKind.Method)
{
return;
}
var method = (IMethodSymbol)context.OwningSymbol;
if (StartupFacts.IsConfigureServices(symbols, method))
{
OnConfigureServicesMethodFound(method);
services.AnalyzeConfigureServices(context);
options.AnalyzeConfigureServices(context);
}
if (StartupFacts.IsConfigure(symbols, method))
{
OnConfigureMethodFound(method);
middleware.AnalyzeConfigureMethod(context);
}
});
// Run after analyses have had a chance to finish to add diagnostics.
context.RegisterSymbolEndAction(new MiddlewareOrderingAnalyzer(startupAnalysisContext).AnalyzeSymbol);
context.RegisterSymbolEndAction(new MiddlewareRequiredServiceAnalyzer(startupAnalysisContext).AnalyzeSymbol);
context.RegisterSymbolEndAction(new UseMvcAnalyzer(startupAnalysisContext).AnalyzeSymbol);
}, SymbolKind.NamedType);
}
public MiddlewareOrderingAnalyzer(StartupAnalyzerContext context)
{
_context = context;
}
public UseMvcAnalyzer(StartupAnalyzerContext context)
{
_context = context;
}
public ServicesAnalyzer(StartupAnalyzerContext context)
{
_context = context;
}
public MiddlewareRequiredServiceAnalyzer(StartupAnalyzerContext context)
{
_context = context;
}
public OptionsAnalyzer(StartupAnalyzerContext context)
{
_context = context;
}
