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* 4544Kartik Agaram2018-09-121-4/+4
| | | | | | | | Attempt #3 at fixing CI. In the process the feature gets a lot less half-baked. Ridiculously misleading that we had `has_metadata()` was special-cased to one specific transform. I suck.
* 4535 - support for global variable namesKartik Agaram2018-09-011-32/+18
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* 4531 - automatically compute segment addressesKartik Agaram2018-09-011-10/+0
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* 4523 - Give up on pass-through phasesKartik Agaram2018-08-201-0/+4
| | | | | | | | | | | | | | | | | | | | I'm going to continue using them for now, but I'm fairly certain now that they're just a temporary device to help rapidly-prototype ideas. The reason: there's just too many ways to abuse low-level features, and it ends up taking too much code to disallow things soon after you allow them. New plan: stop trying to write checks, just treat them as temporary conventions for now. Goal is now to just get the core sequence of passes nailed down. Then we'll start reimplementing them from the ground up. First implication of this new plan: ripping out most existing checks. I'm still going to eventually build type checks. But no degenerate checks for code just being too low-level. (This decision is the outcome of a few days of noodling over Forth and https://mastodon.social/@akkartik/100549913519614800.)
* 4517Kartik Agaram2018-08-131-2/+2
| | | | | We want to always print numbers in hex. This should make that a little more comprehensive.
* 4513 - disallow jumps across functionsKartik Agaram2018-08-121-2/+2
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* 4512 - divide labels into two categoriesKartik Agaram2018-08-121-10/+9
| | | | | | | | | Targets you can jump to and ones you can call are conceptually disjoint sets. I'm highlighting these in Vim, but it's a pretty complex pattern. Arguably errors shouldn't be highlighted. Only warnings that are easy to be accidentally deployed.
* 4507Kartik Agaram2018-08-121-12/+32
| | | | | Side effect: better error messages when the tangler does something unexpected.
* 4505 - start warning on jumps without labelsKartik Agaram2018-08-111-0/+10
| | | | | As we climb the ladder of abstraction we'll gradually pull the ladder up behind ourselves.
* 4497Kartik Agaram2018-08-081-0/+14
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* 4496Kartik Agaram2018-08-081-0/+16
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* 4493Kartik Agaram2018-08-081-1/+19
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* 4481Kartik Agaram2018-08-041-1/+1
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* 4480Kartik Agaram2018-08-041-0/+161