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-rw-r--r--users/grfn/xanthous/package.yaml1
-rw-r--r--users/grfn/xanthous/pkg.nix40
-rw-r--r--users/grfn/xanthous/src/Xanthous/Generators/Speech.hs108
-rw-r--r--users/grfn/xanthous/src/Xanthous/Orphans.hs24
-rw-r--r--users/grfn/xanthous/src/Xanthous/Random.hs39
-rw-r--r--users/grfn/xanthous/test/Xanthous/RandomSpec.hs22
-rw-r--r--users/grfn/xanthous/xanthous.cabal8
7 files changed, 216 insertions, 26 deletions
diff --git a/users/grfn/xanthous/package.yaml b/users/grfn/xanthous/package.yaml
index 4f01759e9732..3939d52a51e7 100644
--- a/users/grfn/xanthous/package.yaml
+++ b/users/grfn/xanthous/package.yaml
@@ -33,6 +33,7 @@ dependencies:
 - containers
 - criterion
 - data-default
+- data-interval
 - deepseq
 - directory
 - fgl
diff --git a/users/grfn/xanthous/pkg.nix b/users/grfn/xanthous/pkg.nix
index ccc0c3fcd451..020fa18266ea 100644
--- a/users/grfn/xanthous/pkg.nix
+++ b/users/grfn/xanthous/pkg.nix
@@ -1,17 +1,17 @@
 { mkDerivation, aeson, array, async, base, bifunctors, brick
 , checkers, classy-prelude, comonad, comonad-extras, constraints
-, containers, criterion, data-default, deepseq, directory, fgl
-, fgl-arbitrary, file-embed, filepath, generic-arbitrary
-, generic-lens, groups, hgeometry, hgeometry-combinatorial, hpack
-, JuicyPixels, lens, lens-properties, lib, lifted-async, linear
-, megaparsec, mmorph, monad-control, MonadRandom, mtl
-, optparse-applicative, parallel, parser-combinators, pointed
-, QuickCheck, quickcheck-instances, quickcheck-text, random
-, random-extras, random-fu, random-source, Rasterific
-, raw-strings-qq, reflection, semigroupoids, semigroups, splitmix
-, stache, streams, tasty, tasty-hunit, tasty-quickcheck, text
-, text-zipper, tomland, transformers, vector, vty, witherable, yaml
-, zlib
+, containers, criterion, data-default, data-interval, deepseq
+, directory, fgl, fgl-arbitrary, file-embed, filepath
+, generic-arbitrary, generic-lens, groups, hgeometry
+, hgeometry-combinatorial, hpack, JuicyPixels, lens
+, lens-properties, lib, lifted-async, linear, megaparsec, mmorph
+, monad-control, MonadRandom, mtl, optparse-applicative, parallel
+, parser-combinators, pointed, QuickCheck, quickcheck-instances
+, quickcheck-text, random, random-extras, random-fu, random-source
+, Rasterific, raw-strings-qq, reflection, semigroupoids, semigroups
+, splitmix, stache, streams, tasty, tasty-hunit, tasty-quickcheck
+, text, text-zipper, tomland, transformers, vector, vty, witherable
+, yaml, zlib
 }:
 mkDerivation {
   pname = "xanthous";
@@ -22,8 +22,8 @@ mkDerivation {
   libraryHaskellDepends = [
     aeson array async base bifunctors brick checkers classy-prelude
     comonad comonad-extras constraints containers criterion
-    data-default deepseq directory fgl fgl-arbitrary file-embed
-    filepath generic-arbitrary generic-lens groups hgeometry
+    data-default data-interval deepseq directory fgl fgl-arbitrary
+    file-embed filepath generic-arbitrary generic-lens groups hgeometry
     hgeometry-combinatorial JuicyPixels lens lifted-async linear
     megaparsec mmorph monad-control MonadRandom mtl
     optparse-applicative parallel parser-combinators pointed QuickCheck
@@ -36,8 +36,8 @@ mkDerivation {
   executableHaskellDepends = [
     aeson array async base bifunctors brick checkers classy-prelude
     comonad comonad-extras constraints containers criterion
-    data-default deepseq directory fgl fgl-arbitrary file-embed
-    filepath generic-arbitrary generic-lens groups hgeometry
+    data-default data-interval deepseq directory fgl fgl-arbitrary
+    file-embed filepath generic-arbitrary generic-lens groups hgeometry
     hgeometry-combinatorial JuicyPixels lens lifted-async linear
     megaparsec mmorph monad-control MonadRandom mtl
     optparse-applicative parallel parser-combinators pointed QuickCheck
@@ -49,8 +49,8 @@ mkDerivation {
   testHaskellDepends = [
     aeson array async base bifunctors brick checkers classy-prelude
     comonad comonad-extras constraints containers criterion
-    data-default deepseq directory fgl fgl-arbitrary file-embed
-    filepath generic-arbitrary generic-lens groups hgeometry
+    data-default data-interval deepseq directory fgl fgl-arbitrary
+    file-embed filepath generic-arbitrary generic-lens groups hgeometry
     hgeometry-combinatorial JuicyPixels lens lens-properties
     lifted-async linear megaparsec mmorph monad-control MonadRandom mtl
     optparse-applicative parallel parser-combinators pointed QuickCheck
@@ -63,8 +63,8 @@ mkDerivation {
   benchmarkHaskellDepends = [
     aeson array async base bifunctors brick checkers classy-prelude
     comonad comonad-extras constraints containers criterion
-    data-default deepseq directory fgl fgl-arbitrary file-embed
-    filepath generic-arbitrary generic-lens groups hgeometry
+    data-default data-interval deepseq directory fgl fgl-arbitrary
+    file-embed filepath generic-arbitrary generic-lens groups hgeometry
     hgeometry-combinatorial JuicyPixels lens lifted-async linear
     megaparsec mmorph monad-control MonadRandom mtl
     optparse-applicative parallel parser-combinators pointed QuickCheck
diff --git a/users/grfn/xanthous/src/Xanthous/Generators/Speech.hs b/users/grfn/xanthous/src/Xanthous/Generators/Speech.hs
new file mode 100644
index 000000000000..76830c4d9116
--- /dev/null
+++ b/users/grfn/xanthous/src/Xanthous/Generators/Speech.hs
@@ -0,0 +1,108 @@
+{-# LANGUAGE TemplateHaskell #-}
+--------------------------------------------------------------------------------
+module Xanthous.Generators.Speech
+  ( -- * Abstract phonotactics
+    Phonotactics(..)
+    -- ** Lenses
+  , onsets
+  , nuclei
+  , codas
+  , numOnsets
+  , numNuclei
+  , numCodas
+
+    -- ** Definitions for languages
+  , english
+
+    -- * Language generation
+  , syllable
+
+  ) where
+--------------------------------------------------------------------------------
+import           Xanthous.Prelude hiding (replicateM)
+import           Data.Interval (Interval)
+import qualified Data.Interval as Interval
+import           Control.Monad.Random.Class (MonadRandom)
+import           Xanthous.Random (chooseRange, choose, ChooseElement (ChooseElement))
+import           Control.Monad (replicateM)
+--------------------------------------------------------------------------------
+
+newtype Phoneme = Phoneme Text
+  deriving stock (Show, Eq, Generic)
+  deriving anyclass (NFData)
+  deriving newtype (IsString, Semigroup, Monoid)
+
+data Phonotactics = Phonotactics
+  { _onsets    :: [Phoneme]
+  , _nuclei    :: [Phoneme]
+  , _codas     :: [Phoneme]
+  , _numOnsets :: Interval Word
+  , _numNuclei :: Interval Word
+  , _numCodas  :: Interval Word
+  }
+  deriving stock (Show, Eq, Generic)
+  deriving anyclass (NFData)
+makeLenses ''Phonotactics
+
+syllable :: MonadRandom m => Phonotactics -> m Text
+syllable phonotactics = do
+  let genPart num choices = do
+        n <- fromIntegral . fromMaybe 0 <$> chooseRange (phonotactics ^. num)
+        fmap (fromMaybe mempty . mconcat)
+          . replicateM n
+          . choose . ChooseElement
+          $ phonotactics ^. choices
+
+  (Phoneme onset) <- genPart numOnsets onsets
+  (Phoneme nucleus) <- genPart numNuclei nuclei
+  (Phoneme coda) <- genPart numCodas codas
+
+  pure $ onset <> nucleus <> coda
+
+--------------------------------------------------------------------------------
+
+-- <https://en.wikipedia.org/wiki/English_phonology#Phonotactics>
+english :: Phonotactics
+english = Phonotactics
+  { _onsets = [ "pl" , "bl" , "kl" , "gl" , "pr" , "br" , "tr" , "dr" , "kr"
+              , "gr" , "tw" , "dw" , "gw" , "kw" , "pw"
+
+              , "fl" , "sl" , {- "thl", -} "shl" {- , "vl" -}
+              , "p", "b", "t", "d", "k", "ɡ", "m", "n", "f", "v", "th", "s"
+              , "z", "h", "l", "w"
+
+              , "sp", "st", "sk"
+
+              , "sm", "sn"
+
+              , "sf", "sθ"
+
+              , "spl", "skl", "spr", "str", "skr", "skw", "sm", "sp", "st", "sk"
+              ]
+  , _nuclei = [ "a", "e", "i", "o", "u", "ur", "ar", "or", "ear", "are", "ure"
+              , "oa", "ee", "oo", "ei", "ie", "oi", "ou"
+              ]
+  , _codas = [ "m", "n", "ng", "p", "t", "tsh", "k", "f", "sh", "s", "th", "x"
+             , "v", "z", "zh", "l", "r", "w"
+
+             , "lk", "lb", "lt", "ld", "ltsh", "ldsh", "lk"
+             , "rp", "rb", "rt", "rd", "rtsh", "rdsh", "rk", "rɡ"
+             , "lf", "lv", "lth", "ls", "lz", "lsh", "lth"
+             , "rf", "rv", "rth", "rs", "rz", "rth"
+             , "lm", "ln"
+             , "rm", "rn", "rl"
+             , "mp", "nt", "nd", "nth", "nsh", "ŋk"
+             , "mf", "ms", "mth", "nf", "nth", "ns", "nz", "ŋθ"
+             , "ft", "sp", "st", "sk"
+             , "fth"
+             , "pt", "kt"
+             , "pth", "ps", "th", "ts", "dth", "dz", "ks"
+             , "lpt", "lps", "lfth", "lts", "lst", "lkt", "lks"
+             , "rmth", "rpt", "rps", "rts", "rst", "rkt"
+             , "mpt", "mps", "ndth", "ŋkt", "ŋks", "ŋkth"
+             , "ksth", "kst"
+             ]
+  , _numOnsets = Interval.singleton 1
+  , _numNuclei = Interval.singleton 1
+  , _numCodas  = Interval.singleton 1
+  }
diff --git a/users/grfn/xanthous/src/Xanthous/Orphans.hs b/users/grfn/xanthous/src/Xanthous/Orphans.hs
index 1fe9708edbe0..2a9a7a7ebc29 100644
--- a/users/grfn/xanthous/src/Xanthous/Orphans.hs
+++ b/users/grfn/xanthous/src/Xanthous/Orphans.hs
@@ -1,10 +1,10 @@
 {-# LANGUAGE RecordWildCards #-}
 {-# LANGUAGE StandaloneDeriving #-}
 {-# LANGUAGE UndecidableInstances #-}
-{-# LANGUAGE PatternSynonyms #-}
 {-# LANGUAGE PackageImports #-}
 {-# OPTIONS_GHC -Wno-orphans #-}
 --------------------------------------------------------------------------------
+{-# OPTIONS_GHC -Wno-deferred-type-errors #-}
 module Xanthous.Orphans
   ( ppTemplate
   ) where
@@ -31,6 +31,8 @@ import           Linear
 --------------------------------------------------------------------------------
 import           Xanthous.Util.JSON
 import           Xanthous.Util.QuickCheck
+import qualified Data.Interval as Interval
+import Data.Interval (Interval, Extended (..))
 --------------------------------------------------------------------------------
 
 instance forall s a.
@@ -350,3 +352,23 @@ deriving newtype instance (Arbitrary s, CoArbitrary (m (a, s)))
 deriving via (GenericArbitrary (V2 a)) instance Arbitrary a => Arbitrary (V2 a)
 instance CoArbitrary a => CoArbitrary (V2 a)
 instance Function a => Function (V2 a)
+
+--------------------------------------------------------------------------------
+
+instance Arbitrary r => Arbitrary (Extended r) where
+  arbitrary = oneof [ pure NegInf
+                    , pure PosInf
+                    , Finite <$> arbitrary
+                    ]
+
+instance Arbitrary Interval.Boundary where
+  arbitrary = elements [ Interval.Open , Interval.Closed ]
+
+instance (Ord r, Arbitrary r) => Arbitrary (Interval r) where
+  arbitrary = do
+    lower <- arbitrary
+    upper <- arbitrary
+    pure $ (if upper < lower then flip else id)
+      Interval.interval
+      lower
+      upper
diff --git a/users/grfn/xanthous/src/Xanthous/Random.hs b/users/grfn/xanthous/src/Xanthous/Random.hs
index 6d34109df7f8..d97dcb9e1175 100644
--- a/users/grfn/xanthous/src/Xanthous/Random.hs
+++ b/users/grfn/xanthous/src/Xanthous/Random.hs
@@ -11,9 +11,10 @@ module Xanthous.Random
   , subRand
   , chance
   , chooseSubset
+  , chooseRange
   ) where
 --------------------------------------------------------------------------------
-import Xanthous.Prelude
+import           Xanthous.Prelude
 --------------------------------------------------------------------------------
 import           Data.List.NonEmpty (NonEmpty(..))
 import           Control.Monad.Random.Class (MonadRandom(getRandomR, getRandom))
@@ -25,6 +26,9 @@ import           Data.Random.Distribution.Uniform
 import           Data.Random.Distribution.Uniform.Exclusive
 import           Data.Random.Sample
 import qualified Data.Random.Source as DRS
+import           Data.Interval ( Interval, lowerBound', Extended (Finite)
+                               , upperBound', Boundary (Closed)
+                               )
 --------------------------------------------------------------------------------
 
 instance {-# INCOHERENT #-} (Monad m, MonadRandom m) => DRS.MonadRandom m where
@@ -81,11 +85,13 @@ evenlyWeighted = Weighted . itoList
 weightedBy :: Functor t => (a -> w) -> t a -> Weighted w t a
 weightedBy weighting xs = Weighted $ (weighting &&& id) <$> xs
 
-instance (Num w, Ord w, Distribution Uniform w, Excludable w) => Choose (Weighted w [] a) where
+instance (Num w, Ord w, Distribution Uniform w, Excludable w)
+       => Choose (Weighted w [] a) where
   type RandomResult (Weighted w [] a) = Maybe a
   choose (Weighted ws) = sample $ headMay <$> weightedSample 1 ws
 
-instance (Num w, Ord w, Distribution Uniform w, Excludable w) => Choose (Weighted w NonEmpty a) where
+instance (Num w, Ord w, Distribution Uniform w, Excludable w)
+       => Choose (Weighted w NonEmpty a) where
   type RandomResult (Weighted w NonEmpty a) = a
   choose (Weighted ws) =
     sample
@@ -112,6 +118,33 @@ chooseSubset :: ( Num w, Ord w, Distribution Uniform w, Excludable w
                ) => w -> t a -> m (t a)
 chooseSubset = filterA . const . chance
 
+-- | Choose a random @n@ in the given interval
+chooseRange
+  :: ( MonadRandom m
+    , Distribution Uniform n
+    , Enum n
+    , Bounded n, Show n, Ord n)
+  => Interval n
+  -> m (Maybe n)
+chooseRange int = traverse sample distribution
+  where
+    (lower, lowerBoundary) = lowerBound' int
+    lowerR = case lower of
+      Finite x -> if lowerBoundary == Closed
+                 then x
+                 else succ x
+      _ -> minBound
+    (upper, upperBoundary) = upperBound' int
+    upperR = case upper of
+      Finite x -> if upperBoundary == Closed
+                 then x
+                 else pred x
+      _ -> maxBound
+    distribution
+      | lowerR <= upperR = Just $ Uniform lowerR upperR
+      | otherwise = Nothing
+
+
 --------------------------------------------------------------------------------
 
 bools :: NonEmpty Bool
diff --git a/users/grfn/xanthous/test/Xanthous/RandomSpec.hs b/users/grfn/xanthous/test/Xanthous/RandomSpec.hs
index 187336f08650..c88bd9562928 100644
--- a/users/grfn/xanthous/test/Xanthous/RandomSpec.hs
+++ b/users/grfn/xanthous/test/Xanthous/RandomSpec.hs
@@ -5,7 +5,10 @@ import Test.Prelude
 --------------------------------------------------------------------------------
 import Control.Monad.Random
 --------------------------------------------------------------------------------
-import Xanthous.Random
+import           Xanthous.Random
+import           Xanthous.Orphans ()
+import qualified Data.Interval as Interval
+import           Data.Interval (Interval, Extended (Finite), (<=..<=))
 --------------------------------------------------------------------------------
 
 main :: IO ()
@@ -18,6 +21,23 @@ test = testGroup "Xanthous.Random"
       $ \(l :: [Int]) (Positive (r :: Double)) -> randomTest $ do
         ss <- chooseSubset r l
         pure $ all (`elem` l) ss
+    ]
+  , testGroup "chooseRange"
+    [ testProperty "chooses in the range"
+      $ \(rng :: Interval Int) ->
+        not (Interval.null rng)
+        ==> randomTest ( do
+                chooseRange rng >>= \case
+                  Just r -> pure
+                           . counterexample (show r)
+                           $ r `Interval.member` rng
+                  Nothing -> pure $ property Discard
+            )
+    , testProperty "nonEmpty range is never empty"
+      $ \ (lower :: Int) (NonZero diff) -> randomTest $ do
+        let upper = lower + diff
+        r <- chooseRange (Finite lower <=..<= Finite upper)
+        pure $ isJust r
 
     ]
   ]
diff --git a/users/grfn/xanthous/xanthous.cabal b/users/grfn/xanthous/xanthous.cabal
index 449111fc8ce6..3ad667f62bee 100644
--- a/users/grfn/xanthous/xanthous.cabal
+++ b/users/grfn/xanthous/xanthous.cabal
@@ -4,7 +4,7 @@ cabal-version: 1.12
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: bba18b2b297d73ddcb0a2c365e597a183e6b612ad336e97ca06d9ce87b989656
+-- hash: 3887c4e473843f80e65cb0ae8a1def8fc4871de33e9f425a08820e9a8942e99c
 
 name:           xanthous
 version:        0.1.0.0
@@ -71,6 +71,7 @@ library
       Xanthous.Generators.Level.LevelContents
       Xanthous.Generators.Level.Util
       Xanthous.Generators.Level.Village
+      Xanthous.Generators.Speech
       Xanthous.Messages
       Xanthous.Messages.Template
       Xanthous.Monad
@@ -136,6 +137,7 @@ library
     , containers
     , criterion
     , data-default
+    , data-interval
     , deepseq
     , directory
     , fgl
@@ -227,6 +229,7 @@ executable xanthous
       Xanthous.Generators.Level.LevelContents
       Xanthous.Generators.Level.Util
       Xanthous.Generators.Level.Village
+      Xanthous.Generators.Speech
       Xanthous.Messages
       Xanthous.Messages.Template
       Xanthous.Monad
@@ -291,6 +294,7 @@ executable xanthous
     , containers
     , criterion
     , data-default
+    , data-interval
     , deepseq
     , directory
     , fgl
@@ -412,6 +416,7 @@ test-suite test
     , containers
     , criterion
     , data-default
+    , data-interval
     , deepseq
     , directory
     , fgl
@@ -520,6 +525,7 @@ benchmark benchmark
     , containers
     , criterion
     , data-default
+    , data-interval
     , deepseq
     , directory
     , fgl
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-11-05T04·07+0000