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Author SHA1 Message Date
Eelco Dolstra a247d20604 * Fix compiling without Boehm. 
* Fix the stats.
 2010-10-23 22:58:24 +00:00
Eelco Dolstra b2ba62170c * Optimise string constants by putting them in the symbol table. 2010-10-23 21:11:59 +00:00
Eelco Dolstra 8ac06726b9 * Make Value smaller by not storing redundant PrimOp info. 
* Clear pointers in Values after overwriting them to make sure that no
  objects are kept alive unnecessarily.
 2010-10-23 20:07:47 +00:00
Eelco Dolstra 3f66cfb96b * Remove allocValues(). 2010-10-23 18:18:07 +00:00
Eelco Dolstra 4dee289550 * In environments, store pointers to values rather than values. This 
improves GC effectiveness a bit more (because a live value doesn't
  keep other values in the environment plus the parent environments
  alive), and removes the need for copy nodes.
 2010-10-22 15:51:52 +00:00
Eelco Dolstra 41c45a9b31 * Store Value nodes outside of attribute sets. I.e., Attr now stores 
a pointer to a Value, rather than the Value directly.  This improves
  the effectiveness of garbage collection a lot: if the Value is
  stored inside the set directly, then any live pointer to the Value
  causes all other attributes in the set to be live as well.
 2010-10-22 14:47:42 +00:00
Eelco Dolstra 64c3325b0b * Make building against the Boehm GC a configure option. 2010-10-22 13:39:15 +00:00
Eelco Dolstra 76feaf016a * Keep some more stats. 2010-10-20 15:48:00 +00:00
Eelco Dolstra e879a0371b * Use the Boehm garbage collector to reclaim unused memory in the Nix 
expression evaluator.
 2010-10-20 11:38:30 +00:00
Eelco Dolstra 705868a8a9 * Make sure that config.h is included before the system headers, 
because it defines _FILE_OFFSET_BITS.  Without this, on 
  OpenSolaris the system headers define it to be 32, and then 
  the 32-bit stat() ends up being called with a 64-bit "struct 
  stat", or vice versa.

  This also ensures that we get 64-bit file sizes everywhere.

* Remove the redundant call to stat() in parseExprFromFile().
  The file cannot be a symlink because that's the exit condition
  of the loop before.
 2010-10-04 17:55:38 +00:00
Eelco Dolstra 95f4f2cf61 * If std::tr1::unordered_set is unavailable, use std::set. 2010-10-04 16:16:19 +00:00
Eelco Dolstra 4aa9245083 * Hack needed for GCC 4.3.2 on OpenSolaris. 2010-10-04 10:51:16 +00:00
Eelco Dolstra df50916e46 * Oops - "null" was displayed as "true". 2010-08-27 12:10:56 +00:00
Eelco Dolstra 6d6200f37a * Optimisation in the // operator: if one of the sets is empty, return 
the other set.
 2010-08-02 16:31:05 +00:00
Eelco Dolstra 7af6a2fd71 * intersectAttrs: optimise for the case where the second set is larger 
than the first set.  (That's usually the case with callPackage.)
 2010-08-02 11:54:44 +00:00
Eelco Dolstra f16fe2af8d * builtins.toXML: propagate the string context. This is a regression 
from the old ATerm-based evaluator.
 2010-06-10 10:29:50 +00:00
Eelco Dolstra 1ab67cf437 2010-06-02 09:43:04 +00:00
Eelco Dolstra 89865da76d * Turn build errors during evaluation into EvalErrors. 2010-06-01 11:19:32 +00:00
Eelco Dolstra 93cd5a4a13 * The << operator on values should be const. 2010-05-18 10:36:37 +00:00
Eelco Dolstra b2235d81d1 * Restore the __overrides feature that was lost somewhere in the 
fast-eval branch.
 2010-05-15 08:10:12 +00:00
Eelco Dolstra bd25ac2260 * Print attributes in sorted order. 2010-05-12 12:15:49 +00:00
Eelco Dolstra 81a4b4e49b * Implemented tryEval, the last missing primop in the fast-eval 
branch.  Also added a test for tryEval.
 2010-05-12 11:23:44 +00:00
Eelco Dolstra 1a8eb6e3ec 2010-05-07 15:26:33 +00:00
Eelco Dolstra 83dfa89870 * Sync with the trunk. 2010-05-07 14:46:47 +00:00
Eelco Dolstra 01e58adce0 * Store position info for inherited attributes. 2010-05-07 12:43:57 +00:00
Eelco Dolstra 83d7b89660 * Updated addErrorContext. 2010-05-07 12:33:14 +00:00
Eelco Dolstra e2d5e40f4f * Keep track of the source positions of attributes. 2010-05-07 12:11:05 +00:00
Eelco Dolstra 84ce7ac76f * Store attribute positions in the AST and report duplicate attribute 
errors with position info.
* For all positions, use the position of the first character of the
  first token, rather than the last character of the first token plus
  one.
 2010-05-06 16:46:48 +00:00
Eelco Dolstra 2be6118f4c * Don't need the test program anymore. 2010-04-23 09:09:32 +00:00
Eelco Dolstra 0bc468f195 * Simplify the implementation of `with'. This gives a 7% speedup in 
evaluating the NixOS system configuration.
 2010-04-22 15:08:09 +00:00
Eelco Dolstra ebade9ff8b * Check for duplicate attribute names / function arguments. `make 
check' now succeeds :-)
* An attribute set such as `{ foo = { enable = true; };
  foo.port = 23; }' now parses.  It was previously rejected, but I'm
  too lazy to implement the check.  (The only reason to reject it is
  that the reverse, `{ foo.port = 23; foo = { enable = true; }; }', is
  rejected, which is kind of ugly.)
 2010-04-22 11:02:24 +00:00
Eelco Dolstra 2d7636529f * String equality tests should take the context into account. All the 
evaluation test cases now succeed.
 2010-04-22 09:54:11 +00:00
Eelco Dolstra 6f0f16497a * Fix the interpretation of ''\<character> in indented strings. 2010-04-21 16:18:27 +00:00
Eelco Dolstra 0777448ca6 * Fixed builtins.genericClosure. 2010-04-21 15:57:11 +00:00
Eelco Dolstra fe2d869e04 * Store user environment manifests as a Nix expression in 
$out/manifest.nix rather than as an ATerm.

  (Hm, I thought I committed this two days ago...)
 2010-04-21 15:08:58 +00:00
Eelco Dolstra f3b8833a48 * Drop the dependency on the ATerm library. 2010-04-19 14:51:58 +00:00
Eelco Dolstra efc7a579e8 * Don't use the ATerm library for parsing/printing .drv files. 2010-04-19 13:46:58 +00:00
Eelco Dolstra 55b5ddd3ca * Added parsing of manifests in ATerm format. 2010-04-19 12:10:04 +00:00
Eelco Dolstra 5c31995bb8 * Updated some more primops. 2010-04-16 15:13:47 +00:00
Eelco Dolstra 8ca4a001cb * Improve sharing a bit. 2010-04-16 14:03:26 +00:00
Eelco Dolstra 497e4ad126 * Remove some redundant tests. 2010-04-16 13:51:01 +00:00
Eelco Dolstra 02c1dac909 * In an nested with' where the inner with is a variable (with ...; 
with someVar; ...'), the contents of the variable would be
  clobbered.  (The attributes in the outer `with' were added to the
  variable.)
 2010-04-16 13:44:02 +00:00
Eelco Dolstra 04c4bd3624 * Store lists as lists of pointers to values rather than as lists of 
values.  This improves sharing and gives another speed up.
  Evaluation of the NixOS system attribute is now almost 7 times
  faster than the old evaluator.
 2010-04-15 00:37:36 +00:00
Eelco Dolstra e41b5828db * Better stats. 2010-04-14 23:48:46 +00:00
Eelco Dolstra d39d3c6264 * Implemented inherit. 2010-04-14 23:25:05 +00:00
Eelco Dolstra 267dc693d2 * Fix builtins. 2010-04-14 22:59:39 +00:00
Eelco Dolstra 81de12bc8f * Refactoring: move variable uses to a separate class. 2010-04-14 15:14:23 +00:00
Eelco Dolstra 110d155778 * Implemented withs. 2010-04-14 15:01:04 +00:00
Eelco Dolstra 9985230c00 * After parsing, compute level/displacement pairs for each variable 
use site, allowing environments to be stores as vectors of values
  rather than maps.  This should speed up evaluation and reduce the
  number of allocations.
 2010-04-14 14:42:32 +00:00
Eelco Dolstra 816dd3f061 * Remove more obsolete code. 2010-04-14 12:49:05 +00:00