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25 lines
767 B
Haskell
25 lines
767 B
Haskell
module Parser where
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import Diff
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import Range
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import Syntax
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import Term
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import TreeSitter
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import Control.Comonad.Cofree
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type Parser = String -> IO (Term String Info)
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parserForType :: String -> Parser
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parserForType mediaType = maybe lineByLineParser parseTreeSitterFile $ languageForType mediaType
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lineByLineParser :: Parser
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lineByLineParser input = return . root . Indexed $ case foldl annotateLeaves ([], 0) lines of
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(leaves, _) -> leaves
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where
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lines = Prelude.lines input
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root syntax = Info (Range 0 $ length input) mempty :< syntax
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leaf charIndex line = Info (Range charIndex $ charIndex + length line) mempty :< Leaf line
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annotateLeaves (accum, charIndex) line =
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(accum ++ [ leaf charIndex line ]
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, charIndex + length line + 1)
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