user interface - Macro/Scripting language for non-developers with a simple GUI-based editor -

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we wish provide people able add logic accounts(say, given few arguments, how compute particular result). so, essentially, tantamount writing simple business rules support conditionals , expressions. however, challenge provide them simple online editor can create logic (preferably) visual means (drag/drop expr-tree nodes maybe -- kinda y! pipes).

does know of scripting/macro/domain-specific language lets people this? challenge visual editor, since don't wish invest in developing ui editing. basic requirements be:
1. embedded language, or run securely (no reboot -n or <junk-dangerous-command> >> ~/.bashrc)
2. accessible users without coding background (no need of advanced features)
3. preferably have simple gui based editor create logic programs accessible non-developers (kinda spreadsheets)
4. ability generate compile-time warnings (invalid code) (type safety?)
5. ability embed data before execution available interpreter (eg., name, birthday, amount)

anybody tried doing , got ideas? looked @ lua, io, python, ruby , host of others, challenge don't think non-programmers able understand code much. added via "meta-programming" ruby well, if editor developed!

as matter fact, microsoft developing oslo, right alley. chris sells has been writing lot recently.

it designed way author dsls , visually author these models graphical tool called quadrant. sounds very similar looking for.

open source wise, ruby think can close, can see if @ _whytheluckystiff's try ruby or hackety.


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