generator: Parse and autogenerate version-related defines #431
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MarijnS95
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May 8, 2021
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| value!(CType::U64, complete!(tag!("ULL"))) | | ||
| value!(CType::U32, complete!(tag!("U"))) |
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This was never working before: the longest prefix needs to be matched first but at the same time that sets the minimum length requirement for the rest of the alt!, so tag!("U") never got matched.
Documented here, perhaps this should be a comment in-line:
https://github.com/Geal/nom/blob/38bb94e7bc45c2b4ef0c473e0e5c03ab134cdff3/src/branch/macros.rs#L93-L142
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Ralith
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With more and more version-related defines showing up this saves us a bunch of time.
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MaikKlein
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Depends on #429
With this PR I want to leverage existing parsing and generation infrastructure to completely automate the generation of define macros. It doesn't change much right now but will address #428 as if by magic when generating for
.175🥳Things we should discuss:
SHOUTY_SNAKE_CASE- this isn't standard forconst fn. We previously had a map to re-mapVK_MAKE_VERSIONtomake_versionbut to do this consistently in this new system we'll have to collect a set ofSHOUTY_SNAKE_CASEidentifiers that were found to beconst fn(!define.parameters.is_empty()) intead and map those tosnake_case;EDIT: This is now taken care of by a map, bit verbose but we do that for many other types too;
cexprvshexadecimal_number. Both can probably emit aLiteralorTokenStreamat this point.