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gt and gr can start from a tree with metavariables, just filling them

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aarne
2010-01-30 18:01:18 +00:00
parent 8d03e48e46
commit e71545eab1
3 changed files with 53 additions and 15 deletions
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6
src/runtime/haskell/PGF.hs
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@@ -165,7 +165,7 @@ parseAll :: PGF -> Type -> String -> [[Tree]]
parseAllLang :: PGF -> Type -> String -> [(Language,[Tree])]
-- | The same as 'generateAllDepth' but does not limit
-- the depth in the generation.
-- the depth in the generation, and doesn't give an initial expression.
generateAll :: PGF -> Type -> [Expr]
-- | Generates an infinite list of random abstract syntax expressions.
@@ -176,7 +176,7 @@ generateRandom :: PGF -> Type -> IO [Expr]
-- | Generates an exhaustive possibly infinite list of
-- abstract syntax expressions. A depth can be specified
-- to limit the search space.
generateAllDepth :: PGF -> Type -> Maybe Int -> [Expr]
generateAllDepth :: Maybe Expr -> PGF -> Type -> Maybe Int -> [Expr]
-- | List of all languages available in the given grammar.
languages :: PGF -> [Language]
@@ -248,7 +248,7 @@ generateRandom pgf cat = do
return $ genRandom gen pgf cat
generateAll pgf cat = generate pgf cat Nothing
generateAllDepth pgf cat = generate pgf cat
generateAllDepth mex pgf cat = generateAllFrom mex pgf cat
abstractName pgf = absname pgf