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example-based: use random generation for the examples

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hallgren
2011-10-17 13:51:25 +00:00
parent 84635523cc
commit 9c4564c8a4
2 changed files with 8 additions and 7 deletions
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11
src/example-based/ExampleDemo.hs
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@@ -10,7 +10,7 @@ import qualified Data.IntMap as IntMap
import qualified Data.Set as Set
import Data.Maybe
import System.Environment (getArgs)
import System.Random (newStdGen)
import System.Random (RandomGen) --newStdGen
type MyType = CId -- name of the categories from the program
@@ -39,8 +39,7 @@ data Environ = Env {getTypeMap :: TypeMap, -- mapping between a
getConcMap :: ConcMap, -- concrete expression after parsing
getSigs :: Map.Map MyType [FuncWithArg], -- functions for which we have the concrete syntax already with args
getAll :: [FuncWithArg] -- all the functions with arguments
}
}
getNext :: Environ -> ([MyFunc],[MyFunc])
@@ -60,12 +59,12 @@ getNext env =
in (exampleable,testeable)
provideExample :: Environ -> MyFunc -> PGF -> PGF -> Language -> Maybe (Expr,String)
provideExample env myfunc parsePGF pgfFile lang =
provideExample :: RandomGen gen => gen -> Environ -> MyFunc -> PGF -> PGF -> Language -> Maybe (Expr,String)
provideExample gen env myfunc parsePGF pgfFile lang =
fmap giveExample $ getNameExpr myfunc env
where
giveExample e_ =
let newexpr = head $ generateFromDepth pgfFile e_ (Just 5) -- change here with the new random generator
let newexpr = head $ generateRandomFromDepth gen pgfFile e_ (Just 5) -- change here with the new random generator
ty = getType $ head $ filter (\x -> getName x == myfunc) $ getAll env
embeddedExpr = maybe "" (\x -> ", as in: " ++ q (linearize pgfFile lang x)) (embedInStart (getAll env) (Map.fromList [(ty,e_)]))
lexpr = linearize pgfFile lang newexpr