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Author SHA1 Message Date
Eelco Dolstra
18e6096105 * Organise primops.cc a bit better. 2007-01-29 15:11:32 +00:00
Eelco Dolstra
7349bd0176 New primitives: 
* `sub' to subtract two numbers.
* `stringLength' to get the length of a string.
* `substring' to get a substring of a string.  These should be enough
  to allow most string operations to be expressed.
 2007-01-29 14:23:09 +00:00
Eelco Dolstra
7dedbd896a * filterSource: pass strings to the predicate function instead of 
paths.  Paths can have unexpected semantics.
 2007-01-29 13:32:50 +00:00
Eelco Dolstra
71ceb1c161 * Handle multiple indirect symlinks when loading a Nix expression. 2007-01-15 14:50:25 +00:00
Eelco Dolstra
e4b0666f8e * builtins.filterSource: pass the type of the file ("regular", 
"directory", "symlink") as the second argument to the filter
  predicate.
 2007-01-15 08:54:51 +00:00
Eelco Dolstra
e418976107 * Option --argstr for passing string arguments easily. (NIX-75) 2007-01-14 12:32:44 +00:00
Eelco Dolstra
f23dcdd603 * Canonicalise ASTs in `nix-instantiate --eval': remove position 
info, sort attribute sets.
 2007-01-13 16:17:07 +00:00
Eelco Dolstra
05879db628 * Memoize strict evaluation. 2007-01-13 15:41:54 +00:00
Eelco Dolstra
5011588459 * printTermAsXML: treat derivations specially; emit an element 
<derivation outPath=... drvPath=...> attrs </derivation>.  Only emit
  the attributes of any specific derivation only.  This prevents
  exponententially large XML output due to the absense of sharing.
 2007-01-13 15:11:10 +00:00
Eelco Dolstra
792878af91 * Make printing an expression as XML interruptible. 2007-01-13 14:48:41 +00:00
Eelco Dolstra
11158028be * Cleanup. 2007-01-13 14:21:49 +00:00
Eelco Dolstra
1073b1780a * Remove debug message. 2006-12-13 14:29:05 +00:00
Eelco Dolstra
a3e6415ba8 * New primop builtins.filterSource, which can be used to filter files 
from a source directory.  All files for which a predicate function
  returns true are copied to the store.  Typical example is to leave
  out the .svn directory:

    stdenv.mkDerivation {
      ...
      src = builtins.filterSource
        (path: baseNameOf (toString path) != ".svn")
        ./source-dir;
      # as opposed to
      #   src = ./source-dir;
    }

  This is important because the .svn directory influences the hash in
  a rather unpredictable and variable way.
 2006-12-12 23:05:01 +00:00
Eelco Dolstra
1a7e88bbd9 * New built-in function `builtins.attrNames' that returns the 
names of the attributes in an attribute set.
 2006-12-12 16:14:31 +00:00
Eelco Dolstra
9c9cdb06d0 * Remove SwitchToOriginalUser, we're not going to need it anymore. 2006-12-02 14:34:14 +00:00
Eelco Dolstra
fcd9900d74 * Replace read-only calls to addTextToStore. 2006-12-01 21:00:39 +00:00
Eelco Dolstra
a824d58b56 * Merge addToStore and addToStoreFixed. 
* addToStore now adds unconditionally, it doesn't use readOnlyMode.
  Read-only operation is up to the caller (who can call
  computeStorePathForPath).
 2006-12-01 20:51:18 +00:00
Eelco Dolstra
6ecb840fd1 * Put building in the store API. 2006-11-30 18:02:04 +00:00
Eelco Dolstra
e2ef5e07fd * Refactoring. There is now an abstract interface class StoreAPI 
containing functions that operate on the Nix store.  One
  implementation is LocalStore, which operates on the Nix store
  directly.  The next step, to enable secure multi-user Nix, is to
  create a different implementation RemoteStore that talks to a
  privileged daemon process that uses LocalStore to perform the actual
  operations.
 2006-11-30 17:43:04 +00:00
Eelco Dolstra
7e85a2af5f * Fix importing of derivation outputs. 2006-11-03 16:17:39 +00:00
Eelco Dolstra
dd300fb48d * Some better error messages. 2006-10-23 16:45:19 +00:00
Eelco Dolstra
17f4883bfe * Better message. 2006-10-19 17:43:58 +00:00
Eelco Dolstra
9bd93f7606 * toFile: maintain the references. 2006-10-19 17:39:02 +00:00
Eelco Dolstra
daa8f85fcd * Backwards compatibility hack for user environments made by Nix <= 0.10. 2006-10-17 14:13:15 +00:00
Eelco Dolstra
24737f279e * Backwards compatibility with old user environment manifests. 2006-10-17 14:01:45 +00:00
Eelco Dolstra
4bd5cdb90b * Print out the offending path. 2006-10-17 14:01:28 +00:00
Eelco Dolstra
58ff6939f4 * An awful backwards compatibility hack. 2006-10-17 12:58:42 +00:00
Eelco Dolstra
3059df0f1e * baseNameOf: paths don't have to be absolute. 2006-10-17 12:34:13 +00:00
Eelco Dolstra
be1961c9f8 * toPath: should be the identity on paths. 2006-10-17 11:07:11 +00:00
Eelco Dolstra
cba913c521 * dirOf: return a path if the argument is a path. 2006-10-17 11:05:34 +00:00
Eelco Dolstra
cf705eaf78 * toString: don't copy paths. So toString can be used to pass 
non-store paths to a builder.
 2006-10-17 10:58:12 +00:00
Eelco Dolstra
7de5fe2fc2 * Do the path check on the normal form. 2006-10-17 10:57:25 +00:00
Eelco Dolstra
d7efd76394 * Big cleanup of the semantics of paths, strings, contexts, string 
concatenation and string coercion.  This was a big mess (see
  e.g. NIX-67).  Contexts are now folded into strings, so that they
  don't cause evaluation errors when they're not expected.  The
  semantics of paths has been clarified (see nixexpr-ast.def).
  toString() and coerceToString() have been merged.

  Semantic change: paths are now copied to the store when they're in a
  concatenation (and in most other situations - that's the
  formalisation of the meaning of a path).  So

    "foo " + ./bla

  evaluates to "foo /nix/store/hash...-bla", not "foo
  /path/to/current-dir/bla".  This prevents accidental impurities, and
  is more consistent with the treatment of derivation outputs, e.g.,
  `"foo " + bla' where `bla' is a derivation.  (Here `bla' would be
  replaced by the output path of `bla'.)
 2006-10-16 15:55:34 +00:00
Eelco Dolstra
7d4567f2cc * Removed URIs from the evaluator (NIX-66). They are now just another 
kind of notation for strings.
 2006-10-11 21:59:33 +00:00
Eelco Dolstra
0c4c5c2020 * Quick hack to fix NIX-67: evaluation result differing if the Nix 
expression resides in the store.
 2006-10-10 21:23:35 +00:00
Eelco Dolstra
bd0c40e1e9 * import': unwrap the context. Necessary to make import (x + y)' 
work, where x is a store path.
 2006-10-10 15:07:23 +00:00
Eelco Dolstra
5fd44654db * toXML: propagate the context to allow derivations to be used in the 
argument.
 2006-10-03 15:38:59 +00:00
Eelco Dolstra
d20c3011a0 * toFile: added an additional argument to specify the store path 
suffix, e.g., `builtins.toFile "builder.sh" "..."'.
* toFile: handle references to other files correctly.
 2006-10-03 14:55:54 +00:00
Eelco Dolstra
ac19b333b3 * Finally, a real "let" syntax: `let x = ...; ... z = ...; in ...'. 2006-10-02 15:52:44 +00:00
Eelco Dolstra
7581cfdee4 * Hack for Bison 2.3 compatability. 2006-10-02 14:43:15 +00:00
Eelco Dolstra
e347033f71 * The result of a concatenation with a derivation on the left-hand 
side should be a path, I guess.
* Handle paths that are in the store but not direct children of the
  store directory.
* Ugh, hack to prevent double context wrapping.
 2006-09-24 21:39:57 +00:00
Eelco Dolstra
0e705391db * Primop `toPath' to convert a string to a path. 
* Primop `pathExists' to check for path existence.
 2006-09-24 18:23:32 +00:00
Eelco Dolstra
e47e0c2dbe * Builtin function `getEnv' for getting environment variables. 2006-09-24 17:48:41 +00:00
Eelco Dolstra
df8873e14a * lessThan primitive for integer comparison. 2006-09-24 15:21:48 +00:00
Eelco Dolstra
2ab4bc44c7 * Builtin function `add' to add integers. 
* Put common test functions in tests/lang/lib.nix.
 2006-09-22 15:29:21 +00:00
Eelco Dolstra
d315210612 * Added a builtin function `isList' to test whether a value is a list. 
With this primitive, a list-flattening function can be implemented
  (NIX-55, example is in tests/lang/eval-okay-flatten.nix).
 2006-09-22 14:55:19 +00:00
Eelco Dolstra
c02a44183f * Builtin functions head' and tail' to return the head and tail of 
list.  Useful for lots of things, such as implementing a fold
  function (see NIX-30, example is in tests/lang/eval-okay-list.nix).
 2006-09-22 14:46:36 +00:00
Eelco Dolstra
8a1ab709a4 * New builtin functions builtins.{hasAttr, getAttr} to check for 
attribute existence and to return an attribute from an attribute
  set, respectively.  Example: `hasAttr "foo" {foo = 1;}'.  They
  differ from the `?' and `.' operators in that the attribute name is
  an arbitrary expression.  (NIX-61)
 2006-09-22 14:31:55 +00:00
Eelco Dolstra
4e91d8621f * Fix comment. 2006-09-21 18:52:05 +00:00
Eelco Dolstra
1bdc152931 * Shut up a warning. 2006-09-20 16:36:29 +00:00
Eelco Dolstra
0623359fbc * Print a better error message for wrong hashes (NIX-49). 2006-09-20 16:15:32 +00:00
Eelco Dolstra
01d169f817 * Support `++'. 
* More follow restrictions on layout.
 2006-09-11 13:05:15 +00:00
Eelco Dolstra
fc195519b5 * Sone missing #includes. 2006-09-05 08:54:48 +00:00
Eelco Dolstra
bafc1690fc * Move setuid stuff to libutil. 
* Install libexpr header files.
 2006-09-04 22:55:28 +00:00
Eelco Dolstra
e5a6c09b12 * Install header files in /nix/include/nix. 2006-09-04 22:41:36 +00:00
Eelco Dolstra
4be5443882 * Remove unnecessary inclusions of aterm2.h. 2006-09-04 22:08:40 +00:00
Eelco Dolstra
e3ce954582 * Compile the lexer as C++ code. Remove all the redundant C/C++ 
marshalling code.
 2006-09-04 21:36:15 +00:00
Eelco Dolstra
75068e7d75 * Use a proper namespace. 
* Optimise header file usage a bit.
* Compile the parser as C++.
 2006-09-04 21:06:23 +00:00
Eelco Dolstra
aab8812732 * Store the Nix libraries in ${libdir}/nix instead of ${libdir}. 2006-09-04 15:12:24 +00:00
Eelco Dolstra
7974aae81c * New primop: builtins.toFile, which writes a string into the store 
and returns its path.  This can be used to (for instance) write
  builders inside a Nix expression, e.g.,

  stdenv.mkDerivation {
    builder = "
      source $stdenv/setup
      ...
    ";
    ...
  }
 2006-09-01 12:07:31 +00:00
Eelco Dolstra
de90fdf908 * Allow "$" in strings as long as they are not followed by "{". (Too 
bad flex doesn't have lexical restrictions, the current solution
  isn't quite right...)
 2006-09-01 12:04:06 +00:00
Eelco Dolstra
f93f7b75be * Okay, that's a bit harder than expected. 2006-08-30 13:10:04 +00:00
Eelco Dolstra
3151bdea55 * Uninitialised variable. 2006-08-30 12:00:27 +00:00
Eelco Dolstra
547b119f25 * Support singleton values and nested lists again in `args', but print 
a warning.
 2006-08-29 15:40:49 +00:00
Eelco Dolstra
2132d9ddeb * Fix the ~ operator. 2006-08-29 15:29:38 +00:00
Eelco Dolstra
1ec9f55741 * In toString, deal with nested lists properly (i.e., flatten them). 2006-08-28 21:47:42 +00:00
Eelco Dolstra
1fca76870b * Removed processBinding, instead we now apply toString to all 
derivation attributes to flatten them into strings.  This is
  possible since string can nowadays be wrapped in contexts that
  describe the derivations/sources referenced by the evaluation of the
  string.
 2006-08-28 13:31:06 +00:00
Eelco Dolstra
8a6080eb14 * Refactoring. 2006-08-26 16:48:01 +00:00
Eelco Dolstra
4b66cebe7b * Remove those storePath attribute sets, we don't need 'em. 2006-08-25 17:09:55 +00:00
Eelco Dolstra
215ec2ddc6 * New primop __toXML (or builtins.toXML) to convert an expression to 
an XML representation stored in a string.  This should be useful to
  pass structured information to builders.
 2006-08-24 14:34:29 +00:00
Eelco Dolstra
f793caf936 * Refactoring. 2006-08-24 14:16:55 +00:00
Eelco Dolstra
da25d80152 * Strict evaluation and XML printing of lists. 2006-08-24 14:03:39 +00:00
Eelco Dolstra
943ab38a0d * Refactoring: move strictEval to libexpr. 2006-08-24 13:39:22 +00:00
Eelco Dolstra
9638f3f393 * Pass the autoArgs to findAlongAttrPath so that "nix-instantiate 
foo.nix -A attr --arg name value" will work if (name, value) is
  needed in the evaluation leading up to "attr".
 2006-08-23 16:20:14 +00:00
Eelco Dolstra
b19cebc513 * Quotes. 2006-08-23 15:46:27 +00:00
Eelco Dolstra
38f18aa6d4 * New primop: abort "error message". 2006-08-23 15:46:00 +00:00
Eelco Dolstra
4a053bfdfd * A new primop `builtins', which returns an attribute set containing 
all the primops.  This allows Nix expressions to test for new
  primops and take appropriate action if they're not available.  For
  instance, rather than calling a primop `foo' directly, they could
  say `if builtins ? foo then builtins.foo ... else ...'.
 2006-08-23 14:39:11 +00:00
Eelco Dolstra
2670642733 * Handle carriage returns. Fixes NIX-53. 2006-08-16 10:28:44 +00:00
Eelco Dolstra
a18d02e0b0 * Print a warning that the subpath operator (~) is deprecated. 2006-08-09 15:08:47 +00:00
Eelco Dolstra
1854f84e83 * Fix a few warnings. 2006-08-04 17:07:13 +00:00
Eelco Dolstra
4661282fde * `nix-instantiate ... --arg NAME VALUE': allow arguments to be passed 
to functions from the command line.
* nix-build: started removing backticks.
 2006-07-28 16:03:28 +00:00
Eelco Dolstra
c11839d7b2 * `nix-instantiate --print-args': print out the valid values for 
functions arguments that have a domain.
 2006-07-28 14:01:29 +00:00
Eelco Dolstra
ca2238cf81 * Refactoring: get the selection path stuff out of getDerivations() 
and put it into a separate function findAlongAttrPath().
 2006-07-26 15:05:15 +00:00
Eelco Dolstra
2317d8f671 * `nix-instantiate --print-args' prints out the arguments of a 
top-level function.
 2006-07-25 21:21:50 +00:00
Eelco Dolstra
0e6dc72a7a * Applied rbroek's patch from the branch at 
https://svn.cs.uu.nl:12443/repos/trace/buildfarm-control/trunk/ext/nix/,
  with some modifications.  This allows `nix-env -qa' to show the
  attribute path that can be used to unambiguously install a package
  using `nix-env -i -A'.  Example:

    $ nix-env -f top-level/all-packages.nix -qaA subversion xorg-server
    subversionWithJava  subversion-1.2.3
    subversion          subversion-1.3.2
    subversion14        subversion-1.4.0pre-rc1
    xorg.xorgserver     xorg-server-1.1.0
 2006-07-25 16:40:38 +00:00
Eelco Dolstra
7a3a5d1608 * When there is a domain check, we have to evaluate the argument. 
Can't be lazy!
 2006-07-24 16:49:28 +00:00
Eelco Dolstra
f4c5531d92 * New language feature: domain checks, which check whether a function 
argument has a valid value, i.e., is in a certain domain.  E.g.,

    { foo : [true false]
    , bar : ["a" "b" "c"]
    }: ...

  This previously could be done using assertions, but domain checks
  will allow the buildfarm to automatically extract the configuration
  space from functions.
 2006-07-24 16:35:34 +00:00
Eelco Dolstra
57751fdb55 * Refactoring to support domain checks. 2006-07-24 15:16:03 +00:00
Eelco Dolstra
4f3725b167 * Better error messages (especially wrt types). 2006-07-19 15:36:15 +00:00
Eelco Dolstra
e10b830251 * Doh! Of couse we cannot memoize across scopes. 2006-07-11 10:29:52 +00:00
Eelco Dolstra
b1c63dc362 * Don't use badTerm, it gives awful error messages. 2006-05-30 11:31:33 +00:00
Eelco Dolstra
b5988004d6 * Support for srcdir != builddir (NIX-41). 2006-05-12 11:47:45 +00:00
Eelco Dolstra
9d72bf8835 * 64-bit compatibility fixes (for problems revealed by building on an Athlon 
64 running 64-bit SUSE).  A patched ATerm library is required to run Nix
  succesfully.
 2006-05-11 02:19:43 +00:00
Eelco Dolstra
5cabd47394 * Allow function argument default values to refer to other arguments 
of the function.  Implements NIX-45.
 2006-05-08 12:52:47 +00:00
Eelco Dolstra
310e605995 * Show evaluation stats when NIX_SHOW_STATS=1. 2006-05-08 10:00:37 +00:00
Eelco Dolstra
0832956089 * Use the new ATermMap. 2006-05-04 12:21:08 +00:00
Eelco Dolstra
d300b4383d * Optimise null-ary term builders. Also declare all term builder 
functions as pure, which might improve performance a bit.
 2006-05-02 21:58:46 +00:00
Eelco Dolstra
68174bdc7d * Use a linked list of substitutions. This reduces the amount of 
copying.
 2006-05-02 21:39:02 +00:00
Eelco Dolstra
c791e94aee * Removed a bunch of ATreverses. 2006-05-02 17:51:50 +00:00
Eelco Dolstra
b52e711910 * Huge reduction in memory use (2/3 or so on large nix-env -qas 
operations): share ATermMaps between DrvInfos.
 2006-05-02 17:12:03 +00:00