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17 commits

Author SHA1 Message Date
Eelco Dolstra b545c669a0 * Tests for domain checks. 2006-07-24 15:50:29 +00:00
Eelco Dolstra 57751fdb55 * Refactoring to support domain checks. 2006-07-24 15:16:03 +00:00
Eelco Dolstra 2b4b0658fa * This expression has an undefined variable which isn't detected, so 
evaluation fails:

    error: impossible: undefined variable `gcc'
 2006-07-10 17:35:00 +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 ae55e79541 * More tests. 2006-05-02 11:20:55 +00:00
Eelco Dolstra dca43ef795 * Tests for NIX-45. 2006-05-02 11:15:04 +00:00
Eelco Dolstra 0064599a27 * String interpolation. Expressions like 
"--with-freetype2-library=" + freetype + "/lib"

  can now be written as

    "--with-freetype2-library=${freetype}/lib"

  An arbitrary expression can be enclosed within ${...}, not just
  identifiers.

* Escaping in string literals: \n, \r, \t interpreted as in C, any
  other character following \ is interpreted as-is.
  
* Newlines are now allowed in string literals.
 2006-05-01 14:01:47 +00:00
Eelco Dolstra 6cecad2be0 * Allow string concatenations involving derivations, e.g., 
configureFlags = "--with-freetype2-library="
      + freetype + "/lib";
 2006-05-01 09:56:56 +00:00
Eelco Dolstra fa95f4be3f * More test coverage. 2006-03-01 16:26:13 +00:00
Eelco Dolstra 44409f52c1 * "Fix" the test, since we cannot feasibly support the intended semantics. 2005-11-17 11:58:22 +00:00
Eelco Dolstra 1f285cf556 * Scoping bug in `with'. 2005-11-04 14:50:33 +00:00
Eelco Dolstra 991a130b1e * Added a list concatenation operator: 
[1 2 3] ++ [4 5 6] => [1 2 3 4 5 6]
 2005-07-25 15:05:34 +00:00
Eelco Dolstra 040140dd1c * Added a primop `removeAttrs' to remove attributes from a set, e.g., 
`removeAttrs attrs ["x", "y"]' returns the set `attrs' with the
  attributes named `x' and `y' removed.  It is not an error for the
  named attributes to be missing from the input set.
 2005-05-18 17:19:21 +00:00
Eelco Dolstra 08df443618 * Check for duplicate attributes and formal parameters in Nix 
expressions.
 2005-03-10 11:33:46 +00:00
Eelco Dolstra ed09821859 * Use atdiff' instead of cmp' for checking test output. 
* Don't use local file names in tests since they will produce
  different parse trees depending on the current directory.
 2004-10-27 13:12:58 +00:00
Eelco Dolstra 3277c9432a * Bug fix in parsing of /* ... */ comments; due to longest match 
regexp there could be only one such comment per file.
 2004-10-27 13:00:31 +00:00
Eelco Dolstra 463e2817c5 * Remove ancient Fix tests. 
* Add automated Nix expression language tests.
 2004-10-27 12:41:53 +00:00