X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=utils%2Fhpc%2FHpcLexer.hs;h=3d1a640b3c4025f364867adce904098c83a35445;hb=1d47f08d196252b4ee5f4d5b5af2fb4945720762;hp=74bec5dd4c1abaf7893828ad1dd3bb44f012db2f;hpb=4799dfb37be922c17451f8e0f7c8d765a7a7eaab;p=ghc-hetmet.git diff --git a/utils/hpc/HpcLexer.hs b/utils/hpc/HpcLexer.hs index 74bec5d..3d1a640 100644 --- a/utils/hpc/HpcLexer.hs +++ b/utils/hpc/HpcLexer.hs @@ -7,6 +7,7 @@ data Token | SYM Char | INT Int | STR String + | CAT String deriving (Eq,Show) initLexer :: String -> [Token] @@ -16,6 +17,7 @@ lexer :: String -> Int -> Int -> [(Int,Int,Token)] lexer (c:cs) line column | c == '\n' = lexer cs (succ line) 0 | c == '\"' = lexerSTR cs line (succ column) + | c == '[' = lexerCAT cs "" line (succ column) | c `elem` "{};-:" = (line,column,SYM c) : lexer cs line (succ column) | isSpace c = lexer cs line (succ column) @@ -35,10 +37,15 @@ lexerINT other s line column = (line,column,INT (read s)) : lexer other line co -- not technically correct for the new column count, but a good approximation. lexerSTR cs line column = case lex ('"' : cs) of - [(str,rest)] -> (line,succ column,STR str) + [(str,rest)] -> (line,succ column,STR (read str)) : lexer rest line (length (show str) + column + 1) _ -> error "bad string" +lexerCAT (c:cs) s line column + | c == ']' = (line,column,CAT s) : lexer cs line (succ column) + | otherwise = lexerCAT cs (s ++ [c]) line (succ column) +lexerCAT other s line column = error "lexer failure in CAT" + test = do t <- readFile "EXAMPLE.tc" print (initLexer t)