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* 2283 - represent each /property as a treeKartik K. Agaram2015-10-261-1/+1
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* 2277 - reagents now have a tree of typesKartik K. Agaram2015-10-251-4/+7
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* 2258 - separate warnings from errorsKartik K. Agaram2015-10-061-7/+12
| | | | | | | At the lowest level I'm reluctantly starting to see the need for errors that stop the program in its tracks. Only way to avoid memory corruption and security issues. But beyond that core I still want to be as lenient as possible at higher levels of abstraction.
* 2226 - standardize warning formatKartik K. Agaram2015-10-011-1/+1
| | | | | | | | Always show recipe name where error occurred. But don't show internal 'interactive' name for sandboxes, that's just confusing. What started out as warnings are now ossifying into errors that halt all execution. Is this how things went with C and Unix as well?
* 2218 - check types in instructions much earlierKartik K. Agaram2015-09-301-2/+2
| | | | | | | | | Front-loads it a bit more than I'd like, but the payoff is that other recipes will now be able to describe the type checks right next to their operation. I'm also introducing a new use of /raw with literals to indicate unsafe typecasts.
* 1868 - start using naked literals everywhereKartik K. Agaram2015-07-281-9/+9
| | | | First step to reducing typing burden. Next step: inferring types.
* 1848 - core instructions now check for ingredientsKartik K. Agaram2015-07-251-2/+2
| | | | Also standardized warnings.
* 1844 - explicitly end each trace lineKartik K. Agaram2015-07-251-2/+2
| | | | | | | | | More verbose, but it saves trouble when debugging; there's never something you thought should be traced but just never came out the other end. Also got rid of fatal errors entirely. Everything's a warning now, and code after a warning isn't guaranteed to run.
* 1770 - globals now work with namesKartik K. Agaram2015-07-131-2/+23
| | | | We won't bother supporting names for globals, for now.
* 1769 - routines can now have global variablesKartik K. Agaram2015-07-131-0/+54