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639 commits

Author SHA1 Message Date
Eelco Dolstra b6809608cc Get rid of some unnecessary ExprConcatStrings nodes in dynamic attrs 
This gives a ~18% speedup in NixOS evaluation (after converting
most calls to hasAttr/getAttr to dynamic attrs).
 2014-10-05 01:04:58 +02:00
Eelco Dolstra 1418806969 Show total allocations 2014-10-05 00:39:28 +02:00
Eelco Dolstra c3f0a489f9 Add primop ‘catAttrs’ 2014-10-04 18:15:03 +02:00
Eelco Dolstra d4fcbe1687 Add primop ‘attrValues’ 2014-10-04 16:41:24 +02:00
Eelco Dolstra 58d8a213b0 Tweak 2014-10-04 11:27:23 +02:00
Eelco Dolstra 3f8576a6ab Remove some duplicate code 2014-10-03 22:37:51 +02:00
Shea Levy c08c802bf3 Add readDir primop 2014-10-03 22:32:11 +02:00
Eelco Dolstra 3b5fa8d50c Don't recompile the same regex over and over 2014-10-03 21:29:40 +02:00
Eelco Dolstra 104e55bb7f nix-env: Add regular expression support in selectors 
So you can now do things like:

  $ nix-env -qa '.*zip.*'
  $ nix-env -qa '.*(firefox|chromium).*'
 2014-10-03 21:29:40 +02:00
Eelco Dolstra a17c23426e printValue(): Don't print <CYCLE> for repeated values 2014-10-01 15:54:40 +02:00
Eelco Dolstra d61853430a Support control characters in JSON output 2014-09-30 00:41:18 +02:00
Eelco Dolstra 0ed1b924be Bindings: Remove copy constructor 2014-09-24 15:29:05 +02:00
Eelco Dolstra ebb1dbb3e1 Add missing static 2014-09-23 15:08:27 +02:00
Eelco Dolstra 53b044c2f6 Don't evaluate inside a "throw" 
Workaround for
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41174. This caused
hydra-eval-jobs to ignore SIGINT.
 2014-09-22 19:18:05 +02:00
Eelco Dolstra 0cd6596b0e Add ‘deepSeq’ primop 
Note that unlike ‘lib.deepSeq’ in Nixpkgs, this handles cycles.
 2014-09-22 16:05:00 +02:00
Eelco Dolstra 831fc8ea21 Make forceValueDeep work on values with cycles 2014-09-22 16:05:00 +02:00
Eelco Dolstra 1e0a799bef Rename strictForceValue -> forceValueDeep 2014-09-22 16:05:00 +02:00
Eelco Dolstra 022618c794 Handle cycles when printing a value 
So this no longer crashes with a stack overflow:

  nix-instantiate -E --eval 'let as = { x = as; }; in as'

Instead it prints:

  { x = { x = <CYCLE>; }; }
 2014-09-22 16:05:00 +02:00
Eelco Dolstra a54c263402 Add ‘seq’ primop 2014-09-22 16:05:00 +02:00
Eelco Dolstra eff120d1b9 Add a function ‘valueSize’ 
It returns the size of value, including all other values and
environments reachable from it. It is intended for debugging memory
consumption issues.
 2014-09-22 16:05:00 +02:00
Eelco Dolstra 2d6cd8aafd attrNames: Don't allocate duplicates of the symbols 2014-09-19 18:11:46 +02:00
Eelco Dolstra ea525a261f Fix off-by-one 2014-09-19 18:08:14 +02:00
Eelco Dolstra 93e4f01ee3 Inline Bindings::find() 2014-09-19 16:56:13 +02:00
Eelco Dolstra 5b58991a71 Store Attrs inside Bindings 
This prevents a double allocation per attribute set.
 2014-09-19 16:49:41 +02:00
Eelco Dolstra d4a71ec3bf Update spec file 
http://hydra.nixos.org/build/14344391
 2014-09-18 15:42:01 +02:00
Eelco Dolstra 8be9990cdb Install some pkgconfig files 2014-09-18 12:00:40 +02:00
Eelco Dolstra 6e5b02bee4 Add some instrumentation for debugging GC leaks 2014-09-17 15:19:07 +02:00
Eelco Dolstra 9d65287b91 Fix dependency ordering 2014-09-04 20:02:08 +02:00
Eelco Dolstra 9472b4157d Fix boost::too_many_args error 
Fixes #333.
 2014-09-02 22:53:01 +02:00
Eelco Dolstra fefd3650d4 Fix a segfault in ‘nix-env -qa’ 
This was triggered by 47e185847e, which
turned globals.state into a pointer.
 2014-08-21 00:05:17 +02:00
Eelco Dolstra 11849a320e Use proper quotes everywhere 2014-08-20 18:03:48 +02:00
Eelco Dolstra 373fad75e1 Add some color 2014-08-20 16:50:17 +02:00
Eelco Dolstra 47e185847e Refactor option handling 2014-08-13 03:50:44 +02:00
Eelco Dolstra 5bed74d1b0 Fix warning about non-existant -I directories 2014-08-13 02:57:59 +02:00
Eelco Dolstra 3d221a7bb1 Rename nixPath to __nixPath 
The name ‘nixPath’ breaks existing code.
 2014-07-30 11:28:39 +02:00
Eelco Dolstra 62ad3dfc43 Remove some obsolete files 2014-07-23 23:56:58 +02:00
Eelco Dolstra 0e5d0c1543 Fix compilation error on some versions of GCC 
src/libexpr/primops.cc:42:8: error: looser throw specifier for 'virtual nix::InvalidPathError::~InvalidPathError()'
src/libexpr/nixexpr.hh:12:1: error:   overriding 'virtual nix::EvalError::~EvalError() noexcept (true)'

http://hydra.nixos.org/build/12385750
 2014-07-09 12:14:40 +02:00
Eelco Dolstra beaf3e90af Add builtin function ‘fromJSON’ 
Fixes #294.
 2014-07-04 13:34:15 +02:00
Shea Levy d62f46e500 Only add the importNative primop if the allow-arbitrary-code-during-evaluation option is true (default false) 2014-06-24 10:50:03 -04:00
Shea Levy 5cd022d6c0 Add importNative primop 
This can be used to import a dynamic shared object and return an
arbitrary value, including new primops. This can be used both to test
new primops without having to recompile nix every time, and to build
specialized primops that probably don't belong upstream (e.g. a function
that calls out to gpg to decrypt a nixops secret as-needed).

The imported function should initialize the Value & as needed. A single
import can define multiple values by creating an attrset or list, of
course.

An example initialization function might look like:

extern "C" void initialize(nix::EvalState & state, nix::Value & v)
{
    v.type = nix::tPrimOp;
    v.primOp = NEW nix::PrimOp(myFun, 1, state.symbols.create("myFun"));
}

Then `builtins.importNative ./example.so "initialize"` will evaluate to
the primop defined in the myFun function.
 2014-06-17 12:08:01 -04:00
Eelco Dolstra 0960d674d4 Drop ImportError and FindError 
We're not catching these anywhere.
 2014-06-12 13:00:54 +02:00
Shea Levy 718f20da6d findFile: Realise the context of the path attributes 2014-06-12 12:57:14 +02:00
Shea Levy a8fb575c98 Share code between scopedImport and import 
In addition to reducing duplication, this fixes both import from
derivation and import of derivation for scopedImport
 2014-06-12 12:52:39 +02:00
Eelco Dolstra ee7fe64c0a == operator: Ignore string context 
There really is no case I can think of where taking the context into
account is useful. Mostly it's just very inconvenient.
 2014-06-10 14:02:56 +02:00
Eelco Dolstra becc2b0167 Sort nixPath attributes 2014-05-29 19:02:14 +02:00
Eelco Dolstra 54a34119f3 Use std::unordered_set 2014-05-26 17:53:17 +02:00
Eelco Dolstra d8c061e044 Remove ExprBuiltin 
It's slower than ExprVar since it doesn't compute a static
displacement. Since we're not using the throw primop in the
implementation of <...> anymore, it's also not really needed.
 2014-05-26 17:14:28 +02:00
Eelco Dolstra 62a6eeb1f3 Make the Nix search path declarative 
Nix search path lookups like <nixpkgs> are now desugared to ‘findFile
nixPath <nixpkgs>’, where ‘findFile’ is a new primop. Thus you can
override the search path simply by saying

  let
    nixPath = [ { prefix = "nixpkgs"; path = "/my-nixpkgs"; } ];
  in ... <nixpkgs> ...

In conjunction with ‘scopedImport’ (commit
c273c15cb1), the Nix search path can be
propagated across imports, e.g.

  let

    overrides = {
      nixPath = [ ... ] ++ builtins.nixPath;
      import = fn: scopedImport overrides fn;
      scopedImport = attrs: fn: scopedImport (overrides // attrs) fn;
      builtins = builtins // overrides;
    };

  in scopedImport overrides ./nixos
 2014-05-26 17:02:22 +02:00
Eelco Dolstra 39d72640c2 Ensure that -I flags get included in nixPath 
Also fixes #261.
 2014-05-26 16:52:31 +02:00
Eelco Dolstra a8edf185a9 Add constant ‘nixPath’ 
It contains the Nix expression search path as a list of { prefix, path
} sets, e.g.

  [ { path = "/nix/var/nix/profiles/per-user/root/channels/nixos"; prefix = ""; }
    { path = "/etc/nixos/configuration.nix"; prefix = "nixos-config"; }
    { path = "/home/eelco/Dev/nix/inst/share/nix/corepkgs"; prefix = "nix"; }
  ]
 2014-05-26 14:55:47 +02:00