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Fixes:
- Identifiers starting with _ are prohibited
- Some driveby header dependency cleaning which wound up with doing some
extra fixups.
- Fucking C style casts, man. C++ made these 1000% worse by letting you
also do memory corruption with them with references.
- Remove casts to Expr * where ExprBlackHole is an incomplete type by
introducing an explicitly-cast eBlackHoleAddr as Expr *.
- An incredibly illegal cast of the text bytes of the StorePath hash
into a size_t directly. You can't DO THAT.
Replaced with actually parsing the hash so we get 100% of the bits
being entropy, then memcpying the start of the hash. If this shows
up in a profile we should just make the hash parser faster with a
lookup table or something sensible like that.
- This horrendous bit of UB which I thankfully slapped a deprecation
warning on, built, and it didn't trigger anywhere so it was dead
code and I just deleted it. But holy crap you *cannot* do that.
inline void mkString(const Symbol & s)
{
mkString(((const std::string &) s).c_str());
}
- Some wrong lints. Lots of wrong macro lints, one wrong
suspicious-sizeof lint triggered by the template being instantiated
with only pointers, but the calculation being correct for both
pointers and not-pointers.
- Exceptions in destructors strike again. I tried to catch the
exceptions that might actually happen rather than all the exceptions
imaginable. We can let the runtime hard-kill it on other exceptions
imo.
Change-Id: I71761620846cba64d66ee7ca231b20c061e69710
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Part of #270, #271
Change-Id: I864d7340f26d3c0f9c45db7b6b545face38d8294
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Change-Id: Ia1a72348336794b5fb9f2694dd750266089b904e
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This is terrible UX, and frankly an eval failure should be a cache
invalidation anyway.
This removes the CachedEvalError type entirely.
Fixes #223.
Change-Id: I91f8003eabd0ea45003024e96d1de3c7ae8e49d8
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Do not skip any stack frames when `--show-trace` is given
(cherry picked from commit 0b47783d0a879875d558f0b56e49584f25ceb2d0)
Change-Id: Ia0f18266dbcf97543110110c655c219c7a3e3270
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Cleanup `fmt.hh`
(cherry picked from commit 47a1dbb4b8e7913cbb9b4d604728b912e76e4ca0)
Change-Id: Id076a45cb39652f437fe3f8bda10c310a9894777
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(cherry picked from commit 474fc4078acbe062fcc31ce91c69c8f33bf00d5f)
Change-Id: I9f78f7afd8468d0ab676c0f60c4f7d6140128583
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While preparing PRs like #9753, I've had to change error messages in
dozens of code paths. It would be nice if instead of
EvalError("expected 'boolean' but found '%1%'", showType(v))
we could write
TypeError(v, "boolean")
or similar. Then, changing the error message could be a mechanical
refactor with the compiler pointing out places the constructor needs to
be changed, rather than the error-prone process of grepping through the
codebase. Structured errors would also help prevent the "same" error
from having multiple slightly different messages, and could be a first
step towards error codes / an error index.
This PR reworks the exception infrastructure in `libexpr` to
support exception types with different constructor signatures than
`BaseError`. Actually refactoring the exceptions to use structured data
will come in a future PR (this one is big enough already, as it has to
touch every exception in `libexpr`).
The core design is in `eval-error.hh`. Generally, errors like this:
state.error("'%s' is not a string", getAttrPathStr())
.debugThrow<TypeError>()
are transformed like this:
state.error<TypeError>("'%s' is not a string", getAttrPathStr())
.debugThrow()
The type annotation has moved from `ErrorBuilder::debugThrow` to
`EvalState::error`.
(cherry picked from commit c6a89c1a1659b31694c0fbcd21d78a6dd521c732)
Change-Id: Iced91ba4e00ca9e801518071fb43798936cbd05a
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