Fateinjector -

"Don't test for errors. Dictate destinies." 2. Core Architecture FateInjector comprises five modular layers: 2.1. FateScript VM (DSL) A small, embeddable bytecode interpreter that executes FateScript – a declarative language for defining fate-altering rules.

Example FateScript:

FateInjector can generate Frida Gadget scripts on the fly: FateInjector