wip as fuck

CliFx.SourceGeneration/DiagnosticDescriptors.cs

@@ -0,0 +1,26 @@
+using Microsoft.CodeAnalysis;
+
+namespace CliFx.SourceGeneration;
+
+internal static class DiagnosticDescriptors
+{
+    public static DiagnosticDescriptor CommandMustBePartial { get; } =
+        new(
+            $"{nameof(CliFx)}_{nameof(CommandMustBePartial)}",
+            "Command types must be declared as `partial`",
+            "This type (and all its containing types, if present) must be declared as `partial` in order to be a valid command.",
+            "CliFx",
+            DiagnosticSeverity.Error,
+            true
+        );
+
+    public static DiagnosticDescriptor CommandMustImplementInterface { get; } =
+        new(
+            $"{nameof(CliFx)}_{nameof(CommandMustImplementInterface)}",
+            $"Commands must implement the `{KnownSymbolNames.CliFxCommandInterface}` interface",
+            $"This type must implement the `{KnownSymbolNames.CliFxCommandInterface}` interface in order to be a valid command.",
+            "CliFx",
+            DiagnosticSeverity.Error,
+            true
+        );
+}