--- a/tools/protocolParser.hs Sat May 09 23:30:19 2015 +0300
+++ b/tools/protocolParser.hs Mon May 11 00:27:16 2015 +0300
@@ -4,6 +4,7 @@
import qualified Data.MultiMap as MM
import Data.Maybe
import Data.List
+import Data.Char
data HWProtocol = Command String [CmdParam]
data CmdParam = Skip
@@ -17,13 +18,13 @@
| Lobby
data ParseTree = PTPrefix String [ParseTree]
- | PTCommand HWProtocol
+ | PTCommand String HWProtocol
cmd = Command
cmd1 s p = Command s [p]
cmd2 s p1 p2 = Command s [p1, p2]
-breakCmd (Command (c:cs) params) = (c, Command cs params)
+breakCmd (PTCommand (c:cs) params) = (c, PTCommand cs params)
commands = [
cmd "CONNECTED" [Skip, IntP]
@@ -48,19 +49,21 @@
, cmd "KICKED" []
]
-groupByFirstChar :: [HWProtocol] -> [(Char, [HWProtocol])]
+groupByFirstChar :: [ParseTree] -> [(Char, [ParseTree])]
groupByFirstChar = MM.assocs . MM.fromList . map breakCmd
-buildParseTree cmds = [PTPrefix "!" $ bpt cmds]
+makePT cmd@(Command n p) = PTCommand n cmd
+
+buildParseTree cmds = [PTPrefix "!" $ bpt $ map makePT cmds]
bpt cmds = if isJust emptyNamed then cmdLeaf $ fromJust emptyNamed else subtree
where
- emptyNamed = find (\(_, (Command n _:_)) -> null n) assocs
+ emptyNamed = find (\(_, (PTCommand n _:_)) -> null n) assocs
assocs = groupByFirstChar cmds
subtree = map buildsub assocs
buildsub (c, cmds) = let st = bpt cmds in if null $ drop 1 st then maybeMerge c st else PTPrefix [c] st
- maybeMerge c cmd@[PTCommand _] = PTPrefix [c] cmd
+ maybeMerge c cmd@[PTCommand {}] = PTPrefix [c] cmd
maybeMerge c cmd@[PTPrefix s ss] = PTPrefix (c:s) ss
- cmdLeaf (c, (hwc:_)) = [PTPrefix [c] [PTCommand hwc]]
+ cmdLeaf (c, (hwc:_)) = [PTPrefix [c] [hwc]]
dumpTree = vcat . map dt
where
@@ -70,28 +73,35 @@
pas2 = buildSwitch $ buildParseTree commands
where
buildSwitch cmds = text "case getNextChar of" $$ (nest 4 . vcat $ map buildCase cmds) $$ elsePart
- buildCase (PTCommand _ ) = text "#10: <call cmd handler>;"
+ buildCase (PTCommand {}) = text "#10: <call cmd handler>;"
buildCase (PTPrefix (s:ss) cmds) = quotes (char s) <> text ": " <> consumePrefix ss (buildSwitch cmds)
consumePrefix "" = id
consumePrefix str = (text "consume" <> (parens . quotes $ text str) <> semi $$)
zeroChar = text "#0: state:= pstDisconnected;"
elsePart = text "else <unknown cmd> end;"
-renderArrays letters commands = l $+$ s
+renderArrays (letters, commands, handlers) = l $+$ s $+$ c
where
maybeQuotes s = if null $ tail s then quotes $ text s else text s
l = text "const letters: array[0.." <> (int $ length letters - 1) <> text "] of char = "
<> parens (hsep . punctuate comma $ map maybeQuotes letters) <> semi
s = text "const commands: array[0.." <> (int $ length commands - 1) <> text "] of integer = "
<> parens (hsep . punctuate comma $ map text commands) <> semi
+ c = text "const handlers: array[0.." <> (int $ length handlers - 1) <> text "] of integer = "
+ <> parens (hsep . punctuate comma $ map (text . mangle . fixName) handlers) <> semi
+ mangle = (++) "handler_"
+ fixName = map fixChar
+ fixChar c | isLetter c = c
+ | otherwise = '_'
-pas = uncurry renderArrays $ buildTables $ buildParseTree commands
+pas = renderArrays $ buildTables $ buildParseTree commands
where
- buildTables cmds = let (_, _, _, t1, t2) = foldr walk (0, [0], -10, [], []) cmds in (tail t1, tail t2)
- walk (PTCommand _ ) (lc, s:sh, pc, tbl1, tbl2) = (lc, 2:sh, pc - 1, "#10":"0":tbl1, "0":(show pc):tbl2)
+ buildTables cmds = let (_, _, _, t1, t2, t3) = foldr walk (0, [0], -10, [], [], [[]]) cmds in (tail t1, tail t2, concat t3)
+ walk (PTCommand _ (Command n params)) (lc, s:sh, pc, tbl1, tbl2, (t3:tbl3)) =
+ (lc, 2:sh, pc - 1, "#10":"0":tbl1, "0":show pc:tbl2, (n:t3):tbl3)
walk (PTPrefix prefix cmds) l = lvldown $ foldr fpf (foldr walk (lvlup l) cmds) prefix
- lvlup (lc, sh, pc, tbl1, tbl2) = (lc, 0:sh, pc, tbl1, tbl2)
- lvldown (lc, s1:s2:sh, pc, tbl1, t:tbl2) = (lc, s1+s2:sh, pc, tbl1, show s1:tbl2)
- fpf c (lc, s:sh, pc, tbl1, tbl2) = (lc + 1, s+1:sh, pc, [c]:tbl1, "0":tbl2)
+ lvlup (lc, sh, pc, tbl1, tbl2, tbl3) = (lc, 0:sh, pc, tbl1, tbl2, []:tbl3)
+ lvldown (lc, s1:s2:sh, pc, tbl1, t:tbl2, t31:t32:tbl3) = (lc, s1+s2:sh, pc, tbl1, (if null t32 then "0" else show s1):tbl2, (t31 ++ t32):tbl3)
+ fpf c (lc, s:sh, pc, tbl1, tbl2, tbl3) = (lc + 1, s+1:sh, pc, [c]:tbl1, "0":tbl2, tbl3)
main = putStrLn $ renderStyle style{lineLength = 80} pas