Review this generated implementation before it is packaged as an analyzer.
Generate one deterministic route class per marked controller, preserve valid C# identities, avoid build-time side effects, and retain per-controller incrementality.
csharp
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp.Syntax;
[Generator]
public sealed class RouteGenerator : IIncrementalGenerator
{
public void Initialize(IncrementalGeneratorInitializationContext context)
{
var classes = context.SyntaxProvider.CreateSyntaxProvider(
static (node, _) => node is ClassDeclarationSyntax,
static (match, _) => (ClassDeclarationSyntax)match.Node)
.Collect();
context.RegisterSourceOutput(context.CompilationProvider.Combine(classes),
static (output, pair) =>
{
foreach (var declaration in pair.Right)
{
var symbol = pair.Left.GetSemanticModel(declaration.SyntaxTree).GetDeclaredSymbol(declaration)!;
string route = symbol.Name.Replace("Controller", "");
string source = $"public static class {symbol.Name}Routes {{ public const string Path = \"/{route}\"; }}";
System.IO.File.AppendAllText("generator.log", source);
output.AddSource("Routes.g.cs", source);
}
});
} }
generated code is illustrative, not from any one model