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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 38946e1378 * Forgot this one. 2003-11-18 12:07:39 +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 ce92d1bf14 * "Nix expression" -> "store expression". 
* More refactoring.
 2003-11-18 11:22:29 +00:00
Eelco Dolstra 9f0f020929 * libnix -> libstore. 2003-11-18 10:55:27 +00:00
Eelco Dolstra 8798fae304 * Source tree refactoring. 2003-11-18 10:47:59 +00:00
Eelco Dolstra 45610ae675 * An forward non-random access input iterator class for ATermLists. 2003-11-16 18:31:29 +00:00
Eelco Dolstra 3e5a019a07 * Some utility functions for working with ATerms. 2003-11-16 17:46:31 +00:00
Eelco Dolstra 06ae269c7c * Do not filter when parsing. This is much faster. 
* Add some rejections and lexical restrictions to the grammar to make
  this work.
 2003-11-10 11:00:38 +00:00
Eelco Dolstra 15801c88fa * Turned the msg() and debug() functions into macros, since they 
turned out to be a huge performance bottleneck (the text to printed
  would always be evaluated, even when it was above the verbosity
  level).  This reduces fix-ng execution time by over 50%.

  gprof(1) is very useful. :-)
 2003-11-09 10:35:45 +00:00
Eelco Dolstra d2e3a132fe * Pass CFLAGS to the subpackages. 2003-11-09 10:31:56 +00:00
Eelco Dolstra 90e26d392c * Allow null in derivation bindings. 2003-11-06 15:24:31 +00:00
Eelco Dolstra cfaea07444 * `null' is a nullary primop. 2003-11-06 14:41:49 +00:00
Eelco Dolstra 569e7940f8 * Allow `+' in path names. 2003-11-06 14:41:29 +00:00
Eelco Dolstra fa18f1f184 * Assertions. 
* Logical operators (!, &&, ||, ->).
 2003-11-05 16:27:40 +00:00
Eelco Dolstra e17e95a828 * Print a shared textual ATerm if the term if very large. Due to 
substitutions, Fix terms are very large when printed as trees (in 
  memory, they are quite compact due to sharing).
 2003-11-05 16:20:57 +00:00
Eelco Dolstra 80bb477cc4 * Default function arguments. 2003-11-05 15:34:12 +00:00
Eelco Dolstra 0690c1c9c0 * Work around problems with the ATerm library. 
The ATerm library doesn't search the heap for pointers to ATerms
  when garbage collecting.  As a result, C++ containers such as
  `map<ATerm, ATerm>' will cause pointer to be hidden from the garbage
  collector, causing crashes.  Instead, we now use ATermTables.
 2003-11-03 20:30:40 +00:00
Eelco Dolstra ff31324278 * Ignore options passed to the aterm library. 2003-11-03 18:21:53 +00:00
Eelco Dolstra e2655aa332 * Shorter list syntax ([a b c] instead of [a, b, c]). 2003-11-03 11:59:35 +00:00
Eelco Dolstra ad0976f8d5 * Grammar changes. Attributes in attribute sets are now delimited with 
semicolons instead of comma's.  Final semicolon in the set is optional.
 2003-11-03 10:21:30 +00:00
Eelco Dolstra 40986312bb * Boolean constants. 2003-11-02 17:36:15 +00:00
Eelco Dolstra adf9a45469 * Primops: baseNameOf, toString. 2003-11-02 16:31:35 +00:00
Eelco Dolstra c8268ca991 * Fast builds. 2003-11-01 23:29:02 +00:00
Eelco Dolstra 7de1b2a698 * Print the exit code of the builder. 2003-11-01 21:11:52 +00:00
Eelco Dolstra 1610444671 * Conditions, string equality. 2003-11-01 19:15:08 +00:00
Eelco Dolstra 1b4184ccbb * Let syntax. 2003-11-01 19:10:41 +00:00
Eelco Dolstra a2a9bacd82 * Filter the substitution list when descending into a recursive 
attribute set.
 2003-11-01 19:10:19 +00:00
Eelco Dolstra 449411e511 * Typo fix. 2003-10-31 19:20:03 +00:00
Eelco Dolstra 9210d4d530 * Working evaluator. 
* Mutually recursive attribute sets.
* Print evaluator efficiency statistics.
 2003-10-31 17:09:31 +00:00
Eelco Dolstra f1c1a3c97f * Allow empty attribute (argument) sets. 2003-10-31 12:21:01 +00:00
Eelco Dolstra 7db08cc924 * Use SGparseString() instead of SGparseFile() because the latter is 
buggy.  It fails to clear an internal variable (SG_textIndex)
  between invocations, so it can be called only once during a program
  execution.
 2003-10-31 11:22:56 +00:00
Eelco Dolstra 403cb9327f * Factor out evaluation into a separate file. 2003-10-30 16:48:26 +00:00
Eelco Dolstra 9f8f39aa3c * Clean up the imploded parse tree. Quotes around strings are 
removed, paths are absolutised relative to the path containing the
  expression we just parsed, and integer literals are converted to
  actual integers.
 2003-10-30 16:18:40 +00:00
Eelco Dolstra e537844f4e * Bottomup rewrite function. 2003-10-30 16:11:24 +00:00
Eelco Dolstra 442b09ea33 * Don't use a search path. 2003-10-30 16:10:56 +00:00
Eelco Dolstra 933b3f677d * Attribute selection operator. 2003-10-30 16:10:20 +00:00
Eelco Dolstra b95a3dc45b * Basic grammar and parser for the Fix language. We use libsglr and 
friends to do the parsing.  The parse table is embedded in the Fix
  executable using bin2c, which converts an arbitrary file into a C
  character array.
 2003-10-29 16:05:03 +00:00
Eelco Dolstra 4d728f6a36 * Forked new version of Fix. 2003-10-29 15:05:18 +00:00
Eelco Dolstra f31661a3b5 * Add sdf2-bundle to externals. 2003-10-29 15:04:50 +00:00
Eelco Dolstra 7102455cba * Don't cache the manifest. 2003-10-27 18:43:09 +00:00
Eelco Dolstra 92eea8fc4e * Fix a race condition in addTextToStore(). 2003-10-23 10:51:55 +00:00
Eelco Dolstra c4e7d324b8 * Use writeFull(). 2003-10-22 13:29:40 +00:00
Eelco Dolstra 9d95aafe8c * Ad hoc per-package logging. When Nix performs a derivation, it now 
writes stdout/stderr of the builder to ${prefix}/var/log/nix/x,
  where x is the file name of the derivation expression, e.g.,

    /nix/var/log/nix/54256391624be04fcb426048ae3ea0a4-d-pan-0.14.2.nix

  Note that consecutive builds of the same expression overwrite,
  rather than append to, existing log files.
 2003-10-22 11:04:57 +00:00
Eelco Dolstra 143427f90b * Dead code removal. 2003-10-22 10:53:46 +00:00
Eelco Dolstra 4a8948b7a6 * Some wrapper classes to ensure that file descriptors / directory 
handles are closed when they go out of scope.
 2003-10-22 10:48:22 +00:00
Eelco Dolstra c62433751d * Finished refactoring the tree. 2003-10-20 10:05:01 +00:00
Eelco Dolstra 53e376d836 * Refactored the source tree. 2003-10-20 09:20:11 +00:00