Resolves #24

Author: wlandgraf

.gitignore

@@ -104,3 +104,4 @@ Source/OpenApiDelphiGen.res
 Source/version.res
 Tests/Win32/Debug/dunit.ini
 Tests/OpenApiDelphiGenTests.res
+*.dsv

Source/OpenApiGen.V3.Analyzer.pas

@@ -57,8 +57,9 @@ procedure TOpenApiAnalyzer.Analyze(ADocument: TOpenApiDocument);
   // Build meta information
   MetaClient.Clear;
 
-  for Schema in Document.Components.Schemas do
-    MetaTypeFromSchema(Schema.Value, Schema.Key, TListType.ltAuto);
+  if (Document.Components <> nil) and (Document.Components.Schemas <> nil) then
+    for Schema in Document.Components.Schemas do
+      MetaTypeFromSchema(Schema.Value, Schema.Key, TListType.ltAuto);
   for Path in Document.Paths do
     ProcessPathItem(Path.Key, Path.Value);