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65 lines
1.8 KiB
Haskell
Executable File
65 lines
1.8 KiB
Haskell
Executable File
#!/usr/bin/env runhaskell
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-- |
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-- Module : $Header$
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-- Copyright : (c) 2013-2015 Galois, Inc.
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-- License : BSD3
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-- Maintainer : cryptol@galois.com
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-- Stability : provisional
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-- Portability : portable
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import Cryptol.Parser.Lexer
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import Cryptol.Utils.PP
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main :: IO ()
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main = interact (wrap . concat . map toHTML . fst . primLexer defaultConfig)
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wrap :: String -> String
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wrap txt = "<html><head>" ++ sty ++ "</head><body>" ++ txt ++ "</body>"
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toHTML :: Located Token -> String
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toHTML tok = "<span class=\"" ++ cl ++ "\" title=\"" ++ pos ++ "\">"
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++ concatMap esc (tokenText (thing tok))
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++ "</span>"
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where
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pos = show (pp (srcRange tok)) ++ " " ++ show (tokenType (thing tok))
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cl = case tokenType (thing tok) of
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Num {} -> "number"
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Ident {} -> "identifier"
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KW {} -> "keyword"
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Op {} -> "operator"
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Sym {} -> "symbol"
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Virt {} -> "virtual"
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White Space -> "white"
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White _ -> "comment"
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Err {} -> "error"
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EOF -> "eof"
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StrLit {} -> "text"
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ChrLit {} -> "text"
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esc c = case c of
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'<' -> "<"
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'>' -> ">"
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'&' -> "&"
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' ' -> " "
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'\n' -> "<br>"
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_ -> [c]
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sty :: String
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sty = unlines
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[ "<style>"
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, "body { font-family: monospace }"
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, ".number { color: #cc00cc }"
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, ".identifier { }"
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, ".keyword { color: blue; }"
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, ".operator { color: #cc00cc }"
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, ".symbol { color: blue }"
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, ".white { }"
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, ".virtual { background-color: red }"
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, ".comment { color: green }"
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, ".error { color: red }"
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, ".text { color: #cc00cc }"
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, "</style>"
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]
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