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Author SHA1 Message Date
John Wiegley 852aff04e7 Break apart MonadNix, to allow greater flexibility in evaluators 2018-03-31 14:53:38 -07:00
John Wiegley b89b795abe Some improvements to error traces 2018-03-30 23:10:44 -07:00
John Wiegley d08ca26da0 Add informative backtraces on evaluation failure 2018-03-30 23:10:44 -07:00
John Wiegley 74cc1a2ad5 Split MonadNix into evaluation and environmental effects 2018-03-30 14:25:03 -07:00
John Wiegley 9f6c2ba948 Move a lot of code around into new modules 2018-03-30 14:08:38 -07:00
John Wiegley 0b812d5c94 Correctly support 'with' by distinguishing weak scopes from non-weak 2018-03-30 13:18:24 -07:00
John Wiegley a4a2fc0659 Move the linting code into its own module 2018-03-30 12:45:23 -07:00
John Wiegley 22924a591f Implement getEnv, set TEST_VAR=foo for the language tests 2018-03-30 02:16:52 -07:00
John Wiegley c234849fd6 Fix a few tests by making a small change to printNix 2018-03-30 02:07:08 -07:00
John Wiegley 8e944cc223 Fix the tests 2018-03-30 02:00:36 -07:00
John Wiegley b456eba4d6 Add some test files 2018-03-30 01:14:06 -07:00
John Wiegley 4e698d76fa More fixes to lazy evaluation and scoping 2018-03-30 01:11:27 -07:00
John Wiegley 8f24c7b645 Implement laziness, although without support for concurrency 2018-03-29 15:35:12 -07:00
John Wiegley 84918aa1d3 Remove the MonadFix requirement, it was not needed; fix NRecSet 2018-03-28 23:52:07 -07:00
John Wiegley d77e52e9d4 Don't run the language tests (say, on Travis) unless LANGUAGE_TESTS=yes 2018-03-28 16:30:54 -07:00
John Wiegley dfee8cd2b8 Add checkExpr, which checks for errors in Nix expressions 
This allows us to pass 10 more of the NixLanguageTests, so that after parsing
a file containing "x: y", we can report that y is undefined.
 2018-03-28 16:27:35 -07:00
John Wiegley 39f772ef3c Restore monadic abstraction (to support importFile), fix attribute sets 2018-03-28 14:45:10 -07:00
John Wiegley 124530c9a9 Fix at-right patterns 2018-03-27 22:53:52 -07:00
John Wiegley 3a29249e43 Normalize import statements, add option parsing 2018-03-27 21:59:27 -07:00
John Wiegley 1e0e47d064 Remove monadic context from evalExpr: we weren't using it! 2018-03-27 19:07:08 -07:00
John Wiegley 278916a9ab Further work on argument evaluation 2018-03-27 18:42:31 -07:00
John Wiegley ecd18e3da3 Merge branch 'master' into fix-recursive-argument-set 2018-03-27 14:34:28 -07:00
Georges Dubus 2e26bd75a5 Fix a bug where defaultargs are absent from the atpattern argument 2018-03-11 12:15:33 +01:00
Georges Dubus 0f7332636e Add support for variadic parameters 
Everything was already in place, but not used for variadic parameters.

On the other hand fixed parameters sets are currently bugged, as they don't
reject extra arguments (they act like variadic parameters set). This commit adds
a TODO mentionning that.
 2018-03-09 14:09:43 +01:00
Kosyrev Serge 0693768550
Fix #93: true/false being mis-parsed when part of an attribute name. 2018-03-06 04:14:16 +03:00
Georges Dubus 6a8ae208b4 Use environment in evaluation of function definitions 2018-03-01 20:04:54 +01:00
Allen Nelson 46bb504ccc whack that mole 2018-02-28 11:45:34 -06:00
Allen Nelson cbee241685 remove mkDots test, no longer necessary 2018-02-28 10:59:53 -06:00
John Wiegley f2ceb7513d
Merge pull request #82 from layus/nix-test 
Run nix language tests from upstream
 2018-02-20 16:07:41 -08:00
Guillaume Maudoux 25f1da3408 Run lang tests from upstream 2018-02-15 12:06:09 +01:00
Georges Dubus e73fc5d196 More WIP 2018-02-13 15:49:46 +01:00
Guillaume Maudoux 0914047115 Handle let { body = ... } expressions 2018-02-10 13:30:33 +01:00
Georges Dubus 7b651303e2 WIP fix recursive default args 2018-01-29 19:56:58 +01:00
Georges Dubus b61b5791bb Change the environment in evaluation to be a Map Text (NValue m) 
Currently, the environment is passed as a `NValue m`, but is assumed to be
a set every single time it is used. This commit changes it `Map Text (NValue
m)`. Since this is used a lot, it defines a new type alias:

```
type ValueSet m = Map.Map Text (NValue m)
```

This has multiples benefits:
- Simplify some code by removing all the checks that the env is indeed a set
- Simplify the usage of the module by making clear that we need a set as the
  environment. (I especially like this, since it took me a while to figure out
  what that argument was supposed to be the first time).
- Make it simple to inject functions in the environment (for example to have
  builtins) since now the function definition doesn't need to unwrap the set.
 2018-01-28 23:27:33 +01:00
Rhys 0d456691b5 Escape ${ but not plain $ in indented strings 
Includes some very basic regression tests, but no change for
non-indented strings.
 2017-05-31 21:24:43 +10:00
Profpatsch 8b4c137a3b Shorthands.hs, mkDot/mkDots: automatically quote non-symbols 
Nix can accept (nearly?) arbitrary values as attributes, if they are quoted in
strings. So generating “dots” should always result in valid nix attributes.
This uses the same regex as the nix lexer (as of 1.11).

Also add a few tests whether it correctly generates symbol/non-symbol
attributes.
 2017-04-21 03:54:06 +02:00
Rhys c15de4532a Correctly parse identifiers with reserved word prefixes 2017-04-17 19:33:57 +10:00
Allen Nelson 99b52fe48e separate expr into types and shorthands 2016-01-25 01:00:27 -06:00
Allen Nelson f04ccf9476 use KeyName list instead of AttrPath list 2016-01-24 18:01:45 -06:00
Allen Nelson 80a7dcb684 bump version, separate back out different kinds of params 2016-01-23 18:11:26 -06:00
Allen Nelson 29acdfe988 remove types for rec/nonrec, make unit tests pass 2016-01-23 17:32:45 -06:00
Allen Nelson 50a3d0d0db make tests pass 2016-01-23 15:51:34 -06:00
Allen Nelson d3a1e7207f split into more modules, rename some things, add docs 2016-01-23 15:23:18 -06:00
Anders Papitto 00d7f06dd0 add some evaluation tests and fix bug 2015-12-20 22:17:34 -08:00
Allen Nelson 9765256ab4 parsing variadic functions, avoiding empty list error 2015-06-23 19:19:46 -05:00
Benno Fünfstück 1b82727a17 Use data-fix for Fix and fix path parsing bug 2014-09-27 20:12:30 +02:00
Benno Fünfstück c89db27dd9 Add some more tests for edge cases 2014-08-31 18:06:55 +02:00
Benno Fünfstück 94b7e4b1d7 tests for comment parsing and parser benchmarks 2014-08-27 23:54:31 +02:00
Benno Fünfstück 3a08227c0c Parse double unary - correctly and improve perf 
We now don't use `buildExpressionParser` from parsers because it cannot
deal with double unary `-`, as in `--a`. Because nix doesn't have
operators which have the same precendence but different associativities,
we can greatly simplify the operator parser. This also has the effect of
improving performance and the error messages a bit.
 2014-08-27 22:12:12 +02:00
Benno Fünfstück f3ec70192c parse // in paths correctly as update operator 2014-08-20 15:47:41 +02:00