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We have decided that leaking memory is a better fate than random,
non-debuggable memory corruption. Future CLs will begin changing
various fields to std::unique_ptr and std::shared_ptr.
It turns out that disabling the GC does not have disasterous impact.
The Nix evaluator only runs on the client CLI, never in any long-
running process. Even the REPL does not leak too badly under this
change, because it uses one EvalState for the duration of the REPL.
Building an explicitly tracing garbage collector is likely in the
future of this project, but that giant amount of work cannot be
done under a nix evaluator that is constantly crashing. We need to
restore development velocity here, and this is the best way we've
figured out to do it.
Change-Id: I2fcda8fcee853c15a9a5e22eca7c5a784bc2bf76
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1720
Reviewed-by: glittershark <grfn@gws.fyi>
Reviewed-by: tazjin <mail@tazj.in>
Tested-by: BuildkiteCI
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The parser contained vectors, and the primary parser state, that
were not participating in GC tracing.
Change-Id: Ie198592cd7acffd390e3e2ae9595138b56416838
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1706
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
Reviewed-by: glittershark <grfn@gws.fyi>
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This compiles under `-Wall -Werror`.
The largest chunk of this change is `final` qualifiers for the various
Nix CLI command structs, which inherit from a Command class that has
more virtual functions than are implemented by each command.
Change-Id: I0925e6e1a39013f026773db5816e4a77d50f3b4a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1294
Tested-by: BuildkiteCI
Reviewed-by: isomer <isomer@tvl.fyi>
Reviewed-by: kanepyork <rikingcoding@gmail.com>
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Moves a function that is not dependent on the generated code over to
parser.hh. This function also looks like it could be improved, but
that is left as an exercise for the reader.
Code that remains in lexer.l has been reformatted, while we're here.
Change-Id: I9c26bb4eed0772a720d0715029e8bc10ab16ac38
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1279
Tested-by: BuildkiteCI
Reviewed-by: Kane York <rikingcoding@gmail.com>
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Several definitions of functions declared in eval.hh were previously
implemented in parser.y, this moves them over to parser.cc.
While this still isn't a reasonable place to keep them, the long-term
fix is more likely to be that eval.hh needs to be split up.
Before we get to that point however, this already gives us the ability
to use tooling with this code.
Change-Id: If06fb655325fe281564047ffab0a0a640428a0ee
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1219
Tested-by: BuildkiteCI
Reviewed-by: isomer <isomer@tvl.fyi>
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Moves several of the static helper functions into a new parser.cc
file.
Once the rest of the code is usefully extracted, these will be moved
to a private namespace.
Change-Id: I0d7b53dcefe31bb5c6bad3ad7f5fcb48276bf799
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1218
Tested-by: BuildkiteCI
Reviewed-by: isomer <isomer@tvl.fyi>
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First step (of many?) towards extracting all the inline code from the
Yacc file and keeping it somewhere more accessible instead.
Note that none of this code has previously been touched by a linter or
formatter, pretty much ever, so as it is extracted it also undergoes
similar changes to the whole codebase after the initial fork.
Change-Id: If3b7181f22e3b3fd8c58dfa9befa7ee2896ea06d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1217
Tested-by: BuildkiteCI
Reviewed-by: isomer <isomer@tvl.fyi>
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