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definition:
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extractCurryCode :: Handle -> String -> IO [String]
extractCurryCode _ [] = return []
extractCurryCode hc (c:cs) = case c of
'\\' -> if take 9 cs == "runcurry{"
then let (s,ds) = break (=='}') (drop 9 cs)
in if null ds
then error ("UNCLOSED MACRO: " ++ c:take 50 cs ++ "...")
else do xs <- extractCurryCode hc (tail ds)
return (s:xs)
else extractCurryCode hc cs
'\n' -> if not (null cs) && head cs == '%'
then skipLine cs
else if take 17 cs == "\\begin{curryprog}"
then copyCurryCode hc (drop 17 cs) >>=
extractCurryCode hc
else extractCurryCode hc cs
_ -> extractCurryCode hc cs
where
skipLine [] = return []
skipLine (d:ds) = if d=='\n'
then extractCurryCode hc (d:ds)
else skipLine ds
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demand:
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argument 2
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deterministic:
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deterministic operation
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documentation:
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--- Extract \begin{curryprog}...\end{curryprog} and \runcurry{...} from a text.
--- The "{...}" must not contain any further curly brackets.
--- The extracted `curryprog` code is written to the handle.
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failfree:
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<FAILING>
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indeterministic:
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referentially transparent operation
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infix:
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no fixity defined
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iotype:
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{(_,{[]}) |-> _ || (_,{:}) |-> _}
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name:
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extractCurryCode
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precedence:
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no precedence defined
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result-values:
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_
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signature:
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System.IO.Handle -> String -> Prelude.IO [String]
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solution-complete:
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operation might suspend on free variables
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terminating:
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possibly non-terminating
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totally-defined:
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possibly non-reducible on same data term
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