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Diffstat (limited to 'old-examples/gfcc/compiler/TestImperC.hs')
| -rw-r--r-- | old-examples/gfcc/compiler/TestImperC.hs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/old-examples/gfcc/compiler/TestImperC.hs b/old-examples/gfcc/compiler/TestImperC.hs new file mode 100644 index 000000000..a32777a5d --- /dev/null +++ b/old-examples/gfcc/compiler/TestImperC.hs @@ -0,0 +1,46 @@ +-- automatically generated by BNF Converter +module Main where + + +import Trees +import Profile +import IO ( stdin, hGetContents ) +import System ( getArgs, getProgName ) + +import LexImperC +import ParImperC +import ErrM + +type ParseFun = [Token] -> Err CFTree + +myLLexer = myLexer + +runFile :: ParseFun -> FilePath -> IO () +runFile p f = readFile f >>= run p + +run :: ParseFun -> String -> IO () +run p s = do + let ts = myLLexer s + let etree = p ts + case etree of + Ok tree -> do + case postParse tree of + Bad s -> do + putStrLn "\nParse Failed... CFTree:\n" + putStrLn $ prCFTree tree + putStrLn s + Ok tree -> do + putStrLn "\nParse Successful!" + putStrLn $ "\n[Abstract Syntax]\n\n" ++ prt tree + Bad s -> do + putStrLn s + putStrLn "\nParse failed... tokenization:" + print ts + +main :: IO () +main = do args <- getArgs + case args of + [] -> hGetContents stdin >>= run pProgram + [f] -> runFile pProgram f + _ -> do progName <- getProgName + putStrLn $ progName ++ ": excess arguments." |
