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494 commits

Author SHA1 Message Date
Robert Hensing
0c75581d8b Move call-flake.nix to nix-flake 
As suggested by Ericson2314 in review
https://github.com/NixOS/nix/pull/12759#issuecomment-2755352343
 2025-03-27 14:29:07 +00:00
Robert Hensing
3c4c0953e0 nix-expr: Add primops to EvalSettings 2025-03-26 09:32:43 +00:00
Sergei Zimmerman
adbd08399c {libexpr,libcmd}: Make debugger significantly faster 
The underlying issue is that debugger code path was
calling PosTable::operator[] in each eval method.
This has become incredibly expensive since 5d9fdab3de.

While we are it it, I've reworked the code to
not use std::shared_ptr where it really isn't necessary.

As I've documented in previous commits, this is actually
more a workaround for recursive header dependencies now
and is only necessary in `error.hh` code.

Some ad-hoc benchmarking:

After this commit:

```
Benchmark 1: nix eval nixpkgs#hello --impure --ignore-try --no-eval-cache --debugger
  Time (mean ± σ):     784.2 ms ±   7.1 ms    [User: 561.4 ms, System: 147.7 ms]
  Range (min … max):   773.5 ms … 792.6 ms    10 runs
```

On master 3604c7c51:

```
Benchmark 1: nix eval nixpkgs#hello --impure --ignore-try --no-eval-cache --debugger
  Time (mean ± σ):     22.914 s ±  0.178 s    [User: 18.524 s, System: 4.151 s]
  Range (min … max):   22.738 s … 23.290 s    10 runs
```
 2025-03-13 16:24:30 +00:00
Brian McKenna
c82ef825d4 coerceToSingleDerivedPathUnchecked: pass through experimental features 
This fixes a few of the property tests, now that the property tests
are actually generating arbitrary data - some of that data now
requiring experimental features to function properly.
 2025-03-08 19:14:58 +11:00
John Ericson
de22f58dfc Introduce EvalStore::storePath 
This abstracts over a common case. Good for brevity, and enabling
further experiments.
 2025-02-19 21:24:26 -05:00
Eelco Dolstra
99e78c37f7 Use UnionSourceAccessor to mount the chroot store on top of the real store directory 2025-02-19 12:54:09 +01:00
Eelco Dolstra
774b924398 Add a storeFS accessor for paths resulting from IFD 
Hopefully fixes #11503.
 2025-02-19 12:47:28 +01:00
Robert Hensing
7465fbe926 refactor: Extract EvalState::realiseString 2025-01-27 12:32:46 +01:00
Eelco Dolstra
08361f031d EvalState::realiseContext(): Allow access to the entire closure 
Fixes #11030.
 2024-12-16 16:16:36 +01:00
Eelco Dolstra
ad7ad017ea EvalState::callPathFilter(): Remove unnecessary pathArg argument 2024-11-20 16:35:47 +01:00
Robert Hensing
32becc87fe
Merge pull request #11914 from roberth/evalstate-get-builtins 
EvalState::getBuiltins
 2024-11-19 19:33:37 +01:00
Robert Hensing
8a36d2d8a7 Add EvalState::getBuiltins 2024-11-19 18:23:05 +01:00
Eelco Dolstra
af07f33d37 resolveLookupPathPath(): Return a SourcePath instead of a string 
Cherry-picked from lazy-trees.
 2024-11-19 18:03:31 +01:00
Robert Hensing
a58e38dab7 Make EvalState::getBuiltin safe for missing attr 2024-11-19 17:30:58 +01:00
Robert Hensing
61d075840f
Merge pull request #11866 from DeterminateSystems/callFunction-span 
callFunction: Use std::span
 2024-11-18 18:37:12 +01:00
Eelco Dolstra
a2e4a4c238 callFunction: Use std::span 
This is a bit safer than having a separate nrArgs argument.
 2024-11-12 19:26:39 +01:00
Eelco Dolstra
02f0294be0 Fix most DoxyGen warnings 
Helps with #11841.
 2024-11-12 15:34:24 +01:00
Eelco Dolstra
67a42e6240 Merge remote-tracking branch 'origin/master' into flake-substitution 2024-11-11 13:57:24 +01:00
Robert Hensing
a3613f2a3c autoCallFunction: accept const Bindings & 
It does not need to mutate the attrs.
`const` is shallow.
Avoids a const_cast in the hercules-ci-cnix-expr bindings.
 2024-11-10 20:52:05 +01:00
Eelco Dolstra
4dceca51de Don't allow __final in fetchTree 
It's now only allowed in fetchFinalTree, which is not exposed to users
but only to call-flake.nix.
 2024-11-08 19:27:54 +01:00
Eelco Dolstra
b9f78abb7f Alias traceable_allocator to std::allocator when building without GC 
This allows us to get rid of a bunch of #ifdefs.
 2024-09-19 21:04:01 +02:00
Robert Hensing
72a4d1f52d Add :doc support for __functor 2024-08-15 13:04:34 +02:00
Robert Hensing
6068e32aa7 refactor: Extract EvalState::addCallDepth 2024-08-15 13:04:34 +02:00
Eelco Dolstra
d08bb025e1
Merge pull request #11043 from hercules-ci/assert-eq 
`assert`: Report why values aren't equal
 2024-07-22 17:34:28 +02:00
Robert Hensing
6c9d62dceb Doc comments: use std::unordered_map 
Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
 2024-07-16 15:19:39 +02:00
Eelco Dolstra
9c6678da0e
Merge pull request #11092 from DeterminateSystems/hash-SourcePath 
Use std::unordered_map for the EvalState caches
 2024-07-16 11:06:43 +02:00
Robert Hensing
6a125e65d0 Revert "Doc comments: use std::unordered_map" 
hash<SourcePath> isn't implemented yet, and I can't cherry-pick
a bug-free commit yet.

This reverts commit 95529f31e3bbda99111c5ce98a33484dc6e7a462.
 2024-07-15 19:56:40 +02:00
Robert Hensing
21817473e8 Doc comments: use std::unordered_map 
Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
 2024-07-15 19:56:40 +02:00
Robert Hensing
d4f576b0b2 nix repl: Render docs for attributes 2024-07-15 19:56:40 +02:00
Eelco Dolstra
cdc23b67a6 Provide std::hash<SourcePath> 2024-07-12 17:54:27 +02:00
John Ericson
337a5a23b7
Merge pull request #11089 from NixOS/warnings-includes 
Fix warnings and optimize includes
 2024-07-12 10:29:26 -04:00
Robert Hensing
8df041cbc6 Solve unused header warnings reported by clangd 2024-07-12 15:37:54 +02:00
John Ericson
3fc77f281e No global settings in libnixfetchers and libnixflake 
Progress on #5638

There are still a global fetcher and eval settings, but they are pushed
down into `libnixcmd`, which is a lot less bad a place for this sort of
thing.

Continuing process pioneered in
52bfccf8d8.
 2024-07-12 08:50:28 -04:00
Robert Hensing
cfe3ee3de8
nix-shell: look up shell.nix when argument is a directory (#11057) 
* Refactor: rename runEnv -> isNixShell

* Refactor: rename left -> remainingArgs

* nix-build.cc: Refactor: extract baseDir variable

* nix-build.cc: Refactor: extract sourcePath, resolvedPath variables

* nix-shell: Look for shell.nix when directory is specified

* Add legacy setting: nix-shell-always-looks-for-shell-nix

* rl-next: Add note about shell.nix lookups

* tests/functional/shell.nix: Implement runHook for dummy stdenv
 2024-07-08 14:36:36 +02:00
Robert Hensing
d63bd8295e assert: Report why values aren't equal 2024-07-05 16:43:48 +02:00
John Ericson
52bfccf8d8 No global eval settings in libnixexpr 
Progress on #5638

There is still a global eval settings, but it pushed down into
`libnixcmd`, which is a lot less bad a place for this sort of thing.
 2024-06-24 12:15:16 -04:00
Robert Hensing
6f64154eea
Merge pull request #10884 from tomberek/tomberek.warn_structuredAttrs_advanced 
fix: warn and document when advanced attributes will have no impact d…
 2024-06-24 07:56:26 +02:00
John Ericson
5b53d8fec3 Factor out GC initialization code 
This is not really part of the evaluator: it is just an integration
between Boehm GC and Boost coroutines usable for any purpose. The
evaluator (merely) optionally uses it.
 2024-06-12 16:00:03 -04:00
Tom Bereknyei
4809e59b7e fix: warn and document when advanced attributes will have no impact due to __structuredAttrs 2024-06-10 09:31:21 -04:00
Eelco Dolstra
7d295c594e Make EvalState::srcToStore thread-safe 2024-06-04 16:56:06 +02:00
Robert Hensing
c07500e14d refactor: Extract EvalState::{runDebugRepl,canDebug} 2024-06-03 16:24:21 +02:00
Eelco Dolstra
ba5929c7be Merge InputAccessor into SourceAccessor 
After the removal of the InputAccessor::fetchToStore() method, the
only remaining functionality in InputAccessor was `fingerprint` and
`getLastModified()`, and there is no reason to keep those in a
separate class.
 2024-05-03 12:14:01 +02:00
Robert Hensing
f34b52b521 libexpr: Add missing GC root for baseEnv 
This missing GC root wasn't much of a problem before, because the
heap would end up with a reference to the `baseEnv` pretty soon,
but when unit testing, the construction of `EvalState` doesn't
necessarily happen well before GC runs for the first time.

Found while unit testing the Rust bindings that currently reside
at https://github.com/nixops4/nixops4/tree/main/rust
 2024-05-01 22:36:39 +02:00
Guillaume Maudoux
a60a1f09b2 Reuse eval caches and related values when possible 2024-04-22 20:32:41 +02:00
Roland Coeurjoly
62ce139e3f No need to undef now that there is no collision 2024-04-13 23:34:01 +02:00
Roland Coeurjoly
40a6a9fdb8 Rename SearchPath to LookupPath and searchPath to lookupPath 2024-04-13 17:35:15 +02:00
John Ericson
8433027e35 Build a minimized Nix with MinGW 
At this point many features are stripped out, but this works:

- Can run libnix{util,store,expr} unit tests
- Can run some Nix commands

Co-Authored-By volth <volth@volth.com>
Co-Authored-By Brian McKenna <brian@brianmckenna.org>
 2024-04-17 12:26:10 -04:00
Eelco Dolstra
6a3ecdaa39 Merge remote-tracking branch 'origin/master' into finish-value 2024-04-17 16:02:44 +02:00
Robert Hensing
02c41aba5b libexpr-c: Add nix_string_realise 2024-04-05 16:08:18 +02:00
Robert Hensing
12ec3154b8
Merge pull request #8699 from tweag/nix-c-bindings 
(Towards) stable C bindings for libutil, libexpr
 2024-04-04 17:50:52 +02:00