Improve accuracy of bad schemas

Author: mdekrey

lib/OpenApi.CSharp/CSharpInlineSchemas.cs

@@ -22,7 +22,16 @@ public class CSharpInlineSchemas(CSharpSchemaOptions options, DocumentRegistry d
 	public CSharpInlineDefinition? ToInlineDataType(JsonSchema? schema)
 	{
 		if (schema == null) return null;
-		return ToInlineDataType(schema.ResolveSchemaInfo());
+		try
+		{
+			return ToInlineDataType(schema.ResolveSchemaInfo());
+		}
+		catch (Exception ex)
+		{
+			throw new MultipleDiagnosticException([
+				.. ex.ToDiagnostics(documentRegistry, schema.Metadata),
+			]);
+		}
 	}
 
 	[return: NotNullIfNotNull(nameof(schema))]

lib/OpenApiCodegen.Server.Mvc.Test/ComprehensiveTransformsShould.cs

@@ -98,8 +98,10 @@ public void Reports_diagnostics_for_bad_2_yaml()
 			{
 				Assert.IsType<UnableToCreateInlineSchemaDiagnostic>(diag);
 				Assert.Equal("proj://embedded/bad.2.yaml", diag.Location.RetrievalUri.OriginalString);
-				Assert.Equal(16, diag.Location.Range?.Start.Line);
-				Assert.Equal(17, diag.Location.Range?.Start.Column);
+				Assert.Equal(18, diag.Location.Range?.Start.Line);
+				Assert.Equal(25, diag.Location.Range?.Start.Column);
+				Assert.Equal(18, diag.Location.Range?.End.Line);
+				Assert.Equal(55, diag.Location.Range?.End.Column);
 			}
 		);
 	}