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Author SHA1 Message Date
Eelco Dolstra a69534fc21 * Drop ATmake / ATMatcher also in handling store expressions. 2004-10-29 11:22:49 +00:00
Eelco Dolstra 5fe9222b36 * Don't use ATmake / ATmatch anymore, nor the ATMatcher class. 
Instead we generate data bindings (build and match functions) for
  the constructors specified in `constructors.def'.  In particular
  this removes the conversions between AFuns and strings, and Nix
  expression evaluation now seems 3 to 4 times faster.
 2004-10-26 22:54:26 +00:00
Eelco Dolstra ee401afad8 * Mode --parse-only' to parse the input (on stdin, -'), and print 
out the AST as an ATerm.
* Mode `--eval-only' to parse and evaluate the input, and print the
  resulting normal form as an ATerm.

Neither of these modes require store/DB write permission.
 2004-10-26 16:59:36 +00:00
Eelco Dolstra 638ce339a5 * Nix-instantiate now accepts sets of derivations (just like nix-env). 2004-07-01 14:25:26 +00:00
Eelco Dolstra 59b94ee18a * When something goes wrong in the evaluation of a Nix expression, 
print a nice backtrace of the stack, rather than vomiting a gigantic
  (and useless) aterm on the screen.  Example:

    error: while evaluating file `.../pkgs/system/test.nix':
    while evaluating attribute `subversion' at `.../pkgs/system/all-packages-generic.nix', line 533:
    while evaluating function at `.../pkgs/applications/version-management/subversion/default.nix', line 1:
    assertion failed at `.../pkgs/applications/version-management/subversion/default.nix', line 13

  Since the Nix expression language is lazy, the trace may be
  misleading.  The purpose is to provide a hint as to the location of
  the problem.
 2004-04-05 22:27:41 +00:00
Eelco Dolstra 0dfdafdf6d * Allow linking against an external Berkeley DB / ATerm library. 2004-02-16 16:37:16 +00:00
Eelco Dolstra 9b44480612 * Use a map to lookup primops. 
* Various performance improvements in the evaluator.
* Do not link against unused (and missing!) libraries (-lsglr, etc.).
 2004-02-04 16:03:29 +00:00
Eelco Dolstra 0d3a1a8582 * Add missing files to `make dist'. 2003-12-02 12:37:37 +00:00
Eelco Dolstra 078e20885e * Help text for all (non-script) programs, so no more: 
$ nix-instantiate --help
error: unknown flag `--help`
Try `nix-instantiate --help' for more information.

:-)
 2003-12-01 15:55:05 +00:00
Eelco Dolstra 9486dda115 * Fix nix-push. 2003-11-22 20:39:51 +00:00
Eelco Dolstra ab0bc4999a * Maintain integrity of the substitute and successor mappings when 
deleting a path in the store.
* Allow absolute paths in Nix expressions.
* Get nix-prefetch-url to work again.
* Various other fixes.
 2003-11-22 18:45:56 +00:00
Eelco Dolstra fd7ac09f10 * Refactoring (step 2). 2003-11-19 12:03:01 +00:00
Eelco Dolstra ac68840e79 * Refactoring: put the Nix expression evaluator in its own library so 
that it can be used by multiple programs.
 2003-11-19 11:35:41 +00:00
Eelco Dolstra 2be8b5917a * Use `sdftable -s' to get warnings about the grammar. 
* Several bug fixes in the grammar.
* Allow one-line comments (#... and //...) to end in EOF.
 2003-11-19 10:04:03 +00:00
Eelco Dolstra dfc9c64ead * "Fix expression" -> "Nix expression". 
* More refactoring.
 2003-11-18 12:06:07 +00:00
Eelco Dolstra b1117ef29d * nix -> nix-store, fix -> nix-instantiate. 2003-11-18 11:38:25 +00:00
Eelco Dolstra 2dc84e5569 * Descriptors now have a "system" field specifying the platform that 
the build or run action should be perfomed on.  This ensures that
  descriptors have different hashes on different platforms.
 2003-03-24 12:49:40 +00:00
Eelco Dolstra e582ee67cd * Fetch sources from the network. 2003-03-21 14:10:06 +00:00
Eelco Dolstra cadc3852e4 * nix-instantiate now instantiantes the closure of the set of 
descriptor templates under the import relation.  I.e., we can now
  say:

    nix-instantiate outdir foo.nix

  which will create descriptors for foo.nix and all imported packages
  in outdir/.
 2003-03-20 22:23:48 +00:00
Eelco Dolstra b3594e9eaf * A script to instantiate package descriptors from templates. 2003-03-20 16:52:30 +00:00