Support translating struct updates to Bluespec. Refs #10. #13
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To accomplish this, we leverage Bluespec's functional struct updates. For
instance, suppose we have a Copilot struct with fields `x :: Field "x" Int32`
and `y :: Field "y" Int32`. If we update a struct's `x` field to be `42`, then
the generated Bluespec code would look roughly like `v { x = 42 }`.
Doing so requires generalizing the test suite infrastructure a bit, as we need to be able to display and read struct values in order to test `UpdateField`. Thankfully, this proves relatively straightforward.
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To accomplish this, we leverage Bluespec's functional struct updates. For instance, suppose we have a Copilot struct with fields
x :: Field "x" Int32andy :: Field "y" Int32. If we update a struct'sxfield to be42, then the generated Bluespec code would look roughly likev { x = 42 }.In order to test
UpdateField(thecopilot-corerepresentation of struct field updates), we also generalize the test suite infrastructure a bit, as we need to be able to display and read struct values. Thankfully, this proves relatively straightforward.Fixes #10.