From 07812f903e0d09b4bb8c2ff9ac4310eb0d3ab8ee Mon Sep 17 00:00:00 2001
From: Jed Barber <jjbarber@y7mail.com>
Date: Mon, 14 Apr 2014 03:36:36 +1000
Subject: Everything done for v2a except the actual character parsing

---
 src/Thue/Interpreter.hs |  7 ++-----
 src/Thue/Parser.hs      | 55 ++++++++++++++++++++++++++++---------------------
 src/Thue/Test.hs        |  4 ++--
 3 files changed, 35 insertions(+), 31 deletions(-)

diff --git a/src/Thue/Interpreter.hs b/src/Thue/Interpreter.hs
index 3e82826..c9758a0 100644
--- a/src/Thue/Interpreter.hs
+++ b/src/Thue/Interpreter.hs
@@ -12,10 +12,6 @@ import Thue.Parser
 
 
 
-data ThueVersion = Ver1 | Ver2a
-    deriving (Eq)
-
-
 data Choice = Random StdGen
             | First
             | Last
@@ -26,9 +22,10 @@ thue :: ThueProgram -> IO ThueState
 thue program =
     let rules = thueRules program
         state = thueInitialState program
+        version = thueVersion program
         gen = mkStdGen 4 --chosen by fair dice roll, guaranteed to be random
 
-    in interpret Ver1 rules (Random gen) state
+    in interpret version rules (Random gen) state
 
 
 
diff --git a/src/Thue/Parser.hs b/src/Thue/Parser.hs
index a9c2d96..9d5f30b 100644
--- a/src/Thue/Parser.hs
+++ b/src/Thue/Parser.hs
@@ -4,7 +4,10 @@ module Thue.Parser (
 	ThueState,
 	ThueChar(..),
 
+	ThueVersion(..),
+
 	parseThue,
+	parseThue2a,
 	
 	tCh,
 	tLit,
@@ -20,7 +23,8 @@ import Text.ParserCombinators.Parsec
 
 
 data ThueProgram = ThueProgram  { thueRules :: [ThueRule]
-                                , thueInitialState :: ThueState }
+                                , thueInitialState :: ThueState
+                                , thueVersion :: ThueVersion }
     deriving (Show, Eq)
 
 
@@ -37,15 +41,19 @@ data ThueChar = TChar { tChar :: Char }
     deriving (Show, Eq)
 
 
+data ThueVersion = Ver1 | Ver2a
+    deriving (Show, Eq)
+
+
 
 
 parseThue :: String -> Either ParseError ThueProgram
-parseThue = parse thue "error"
+parseThue = parse (thue Ver1) "error"
 
 
 
---parseThue2a :: String -> Either ParseError Thue2aProgram
---parseThue2a = parse thue2a "error"
+parseThue2a :: String -> Either ParseError ThueProgram
+parseThue2a = parse (thue Ver2a) "error"
 
 
 
@@ -67,48 +75,47 @@ fromThueState = map tChar
 
 
 
-thue = do
-	rs <- many rule
+thue ver = do
+	rs <- many (rule ver)
 	separatorLine
-	i <- initialState
+	i <- initialState ver
 	eof
-	return (ThueProgram rs i)
+	return (ThueProgram rs i ver)
 
 
-rule = do
-	o <- ruleState
+rule ver = do
+	o <- ruleState ver
 	separator
-	r <- state
+	r <- state ver
 	eol
 	return (ThueRule o r)
 
 
-separatorLine = whiteSpace >> separator >> whiteSpace >> eol
+separatorLine = separator >> eol
 separator  =  string "::="
           <?> "rule separator"
 
 
-initialState = do
-	s <- state `sepEndBy` eol
+initialState ver = do
+	s <- (state ver) `sepEndBy` eol
 	return (concat s)
 
 
-ruleState = some ruleStateChar
-
-
-ruleStateChar  =  (noneOf "\n\r:" >>= return . TChar)
-	          <|> try (char ':' >> notFollowedBy (string ":=") >> return (TChar ':'))
-	          <?> "state character"
+ruleState ver = some (ruleStateChar ver)
 
 
-state = many stateChar
+ruleStateChar ver =
+	(noneOf "\n\r:" >>= return . TChar)
+	<|> try (char ':' >> notFollowedBy (string ":=") >> return (TChar ':'))
+	<?> "state character"
 
 
-stateChar  =  (noneOf "\n\r" >>= return . TChar)
-          <?> "state character"
+state ver = many (stateChar ver)
 
 
-whiteSpace = many (oneOf "\t ")
+stateChar ver =
+	(noneOf "\n\r" >>= return . TChar)
+    <?> "state character"
 
 
 eol  =  try (string "\r\n")
diff --git a/src/Thue/Test.hs b/src/Thue/Test.hs
index fcd8cde..be4e38b 100644
--- a/src/Thue/Test.hs
+++ b/src/Thue/Test.hs
@@ -16,9 +16,9 @@ instance Eq Text.Parsec.Error.ParseError
 
 
 
-parser0 = (Right (ThueProgram [ThueRule (tStr "a") (tStr "b")] (tStr "a")) ) ~=? (parseThue "a::=b\n::=\na")
+parser0 = (Right (ThueProgram [ThueRule (tStr "a") (tStr "b")] (tStr "a") Ver1) ) ~=? (parseThue "a::=b\n::=\na")
 
-parser1 = (Right (ThueProgram [] (tStr "b")) ) ~=? (parseThue "::=\nb")
+parser1 = (Right (ThueProgram [] (tStr "b") Ver1) ) ~=? (parseThue "::=\nb")
 
 
 
-- 
cgit