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Author SHA1 Message Date
Christian Theune 934642155c @eelco's feedback: downgrade to regular float for size, remove unused function. 2016-01-06 08:25:58 +01:00
Christian Theune a12a43046b Edge condition: parser did not pick up floats starting exactly with 0. 2016-01-05 09:54:49 +01:00
Christian Theune f872262e08 Fix up float parsing. 2016-01-05 09:46:37 +01:00
Christian Theune 494fc5acbb Try a simplified version of float lexing that didn't work. 
The last one I tried was botchered anyway ...
 2016-01-05 00:53:22 +01:00
Christian Theune 14ebde5289 First hit at providing support for floats in the language. 2016-01-05 00:40:40 +01:00
Eelco Dolstra a9faa7bbce showId: Handle empty attribute names 
We should probably disallow these, but until then, we shouldn't barf
with an assertion failure.

Fixes #738.
 2015-12-17 15:15:28 +01:00
Shea Levy f327970129 Merge branch 'auto-call-functor' 
autoCallFunction now auto-calls functors
 2015-11-25 11:57:31 -05:00
Shea Levy 9533532ce2 autoCallFunction: Auto-call functors 2015-11-25 11:56:14 -05:00
Eelco Dolstra cad40adce5 Merge pull request #704 from ysangkok/freebsd-support 
FreeBSD support with knowledge about Linux emulation
 2015-11-24 19:24:21 +01:00
Eelco Dolstra 5c28943e8f int2String() -> std::to_string() 2015-10-29 13:26:55 +01:00
Eelco Dolstra 51cf4455b2 isFunctor: Simplify 2015-10-08 13:22:11 +02:00
Mathnerd314 8a87521636 forceFunction: allow functors as well 2015-10-08 13:19:44 +02:00
Manuel Jacob 12c1776df9 Don't try to link libdl on FreeBSD. 
There is no libdl on FreeBSD.  Instead the symbols are included in libc.
 2015-10-06 22:28:30 +02:00
Eelco Dolstra 4ba6bc184c Shut up clang warnings 2015-09-18 01:22:35 +02:00
Iwan Aucamp 3db950aab7 Removed unnecessary included 2015-08-03 11:48:34 +02:00
Eelco Dolstra 2bac04c5ff Fix stack consumption 2015-07-31 20:28:25 +02:00
Iwan Aucamp 75837651f1 Output line number on infinite recursion 2015-07-31 20:26:44 +02:00
Eelco Dolstra 76cc8e97a2 Add sort primop 2015-07-28 18:39:39 +02:00
Eelco Dolstra 50807f3dd5 Add primop genList 
This can be used to implement functions like ‘imap’ (or for that
matter, ‘map’) without the quadratic complexity incurred by calling
‘++’ repeatedly.
 2015-07-28 17:28:35 +02:00
Eelco Dolstra d6d5885c15 Add replaceStrings primop 
This is a generalisation of replaceChars in Nixpkgs.
 2015-07-24 15:32:24 +02:00
Eelco Dolstra 2e8fd4c5cd Add concatStringsSep as a primop 
This fixes the quadratic behaviour of concatStrings/concatStringsSep
in Nixpkgs.
 2015-07-24 02:38:09 +02:00
Eelco Dolstra cb4320c1a0 Cleanup 2015-07-23 23:14:07 +02:00
Eelco Dolstra c8bb2371eb Optimize empty sets 
This reduces the number of Bindings allocations by about 10%.
 2015-07-23 23:11:08 +02:00
Eelco Dolstra 19eddecc0f Merge branch 'attr-set-hh' of https://github.com/nbp/nix 
Conflicts:
	src/libexpr/eval.cc
 2015-07-23 22:16:01 +02:00
Eelco Dolstra b83801f8b3 Optimize small lists 
The value pointers of lists with 1 or 2 elements are now stored in the
list value itself. In particular, this makes the "concatMap (x: if
cond then [(f x)] else [])" idiom cheaper.
 2015-07-23 22:05:09 +02:00
Eelco Dolstra 14be783676 Add primops all and any 
These are used thousands of times during NixOS evaluation, so it's
useful to speed them up.
 2015-07-23 19:23:11 +02:00
Shea Levy 39e27a04b8 Importing derivations: Add name attribute to make a valid drv 2015-07-23 17:04:07 +02:00
Shea Levy 1ed55234d9 Allow derivations-as-srcs in the context of builtins.toFile files 2015-07-23 17:03:47 +02:00
Eelco Dolstra 61af14a921 Add foldl' primop 2015-07-23 17:03:02 +02:00
Eelco Dolstra 0a2bee307b Make <nix/fetchurl.nix> a builtin builder 
This ensures that 1) the derivation doesn't change when Nix changes;
2) the derivation closure doesn't contain Nix and its dependencies; 3)
we don't have to rely on ugly chroot hacks.
 2015-07-20 04:38:46 +02:00
Eelco Dolstra 6bd2c7bb38 OCD: foreach -> C++11 ranged for 2015-07-17 20:13:56 +02:00
Eelco Dolstra f39979c6d3 Make printValue() interruptible 
Fixes #572.
 2015-07-17 11:33:39 +02:00
Nicolas B. Pierron db21cfa688 Move attribute set data structures into their own header file. 
This modification moves Attr and Bindings structures into their own header
file which is dedicated to the attribute set representation. The goal of to
isolate pieces of code which are related to the attribute set
representation. Thus future modifications of the attribute set
representation will only have to modify these files, and not every other
file across the evaluator.
 2015-07-14 19:23:17 +02:00
Guillaume Maudoux 467977f203 Fix the parsing of "$"'s in strings. 2015-07-03 14:09:58 +02:00
Guillaume Maudoux 65e4dcd69b Fix the hack that resets the scanner state. 2015-07-03 13:53:36 +02:00
Eelco Dolstra 65f17cd330 Support URLs in $NIX_PATH 
This didn't work (despite claims in the manual), because the colon in
"http://" was parsed as a element separator. So handle "://"
specially.
 2015-06-17 16:20:11 +02:00
Eelco Dolstra bc51175dc0 Add tarball tests 2015-06-01 16:18:23 +02:00
Eelco Dolstra da196ec68f Document tarball downloading 2015-06-01 15:14:44 +02:00
Eelco Dolstra c1323b53e3 Fix fetchurl/fetchTarball 2015-06-01 15:08:09 +02:00
Eelco Dolstra 1c88e100e7 readFile: Check against nul bytes 2015-06-01 15:07:42 +02:00
Eelco Dolstra 920f5fd4dd Fix import-from-derivation in restricted eval mode 
This relaxes restricted mode to allow access to anything in the
store. In the future, it would be better to allow access to only paths
that have been constructed in the current evaluation (so a hard-coded
/nix/store/blabla in a Nix expression would still be
rejected). However, note that reading /nix/store itself is still
rejected, so you can't use this so get access to things you don't know
about.
 2015-05-22 12:18:23 +02:00
Eelco Dolstra 6519f06f39 nix-env/nix-instantiate/nix-build: Support URIs 
For instance, you can install Firefox from a specific Nixpkgs revision
like this:

  $ nix-env -f 63def04891.tar.gz -iA firefox

Or build a package from the latest nixpkgs-unstable channel:

  $ nix-build https://nixos.org/channels/nixpkgs-unstable/nixexprs.tar.xz -A hello
 2015-05-06 14:54:31 +02:00
Eelco Dolstra 9451ef3731 Allow URLs in the Nix search path 
E.g. to install "hello" from the latest Nixpkgs:

  $ nix-build '<nixpkgs>' -A hello -I nixpkgs=https://nixos.org/channels/nixpkgs-unstable/nixexprs.tar.xz

Or to install a specific version of NixOS:

  $ nixos-rebuild switch -I nixpkgs=63def04891.tar.gz
 2015-05-05 17:09:42 +02:00
Eelco Dolstra 35d30d67eb Make downloads interruptable 2015-05-05 14:39:48 +02:00
Eelco Dolstra 035aeb9547 Fix using restricted mode with chroots 2015-04-16 18:46:17 +02:00
Eelco Dolstra 4ed2187377 Use cached result if there is a network error 2015-04-09 12:49:13 +02:00
Eelco Dolstra 1fc905ad4c Move curl stuff into a separate file 2015-04-09 12:12:50 +02:00
Eelco Dolstra c1f04fae35 Implement a TTL on cached fetchurl/fetchTarball results 
This is because we don't want to do HTTP requests on every evaluation,
even though we can prevent a full redownload via the cached ETag. The
default is one hour.
 2015-04-09 11:55:36 +02:00
Eelco Dolstra 60340ce3e2 Implement caching of fetchurl/fetchTarball results 
ETags are used to prevent redownloading unchanged files.
 2015-04-09 11:42:04 +02:00
Eelco Dolstra 000b5a000f Add fetchTarball builtin 
This function downloads and unpacks the given URL at evaluation
time. This is primarily intended to make it easier to deal with Nix
expressions that have external dependencies. For instance, to fetch
Nixpkgs 14.12:

  with import (fetchTarball https://github.com/NixOS/nixpkgs-channels/archive/nixos-14.12.tar.gz) {};

Or to fetch a specific revision:

  with import (fetchTarball 2766a4b44e.tar.gz) {};

This patch also adds a ‘fetchurl’ builtin that downloads but doesn't
unpack its argument. Not sure if it's useful though.
 2015-03-25 17:29:09 +01:00