tools/PascalParser.hs
author unc0rr
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permissions -rw-r--r--
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module PascalParser where
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import Text.Parsec
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import Text.Parsec.Char
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import Text.Parsec.Token
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import Text.Parsec.Language
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import Text.Parsec.Expr
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import Text.Parsec.Prim
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import Text.Parsec.Combinator
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import Text.Parsec.String
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import Control.Monad
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import Data.Maybe
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import Data.Char
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import PascalBasics
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import PascalUnitSyntaxTree
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knownTypes = ["shortstring", "ansistring", "char", "byte"]
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pascalUnit = do
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    comments
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    u <- choice [program, unit, systemUnit]
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    comments
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    return u
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iD = do
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    i <- liftM (flip Identifier BTUnknown) (identifier pas)
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    comments
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    return i
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unit = do
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    string "unit" >> comments
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    name <- iD
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    semi pas
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    comments
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    int <- interface
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    impl <- implementation
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    comments
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    return $ Unit name int impl Nothing Nothing
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reference = buildExpressionParser table term <?> "reference"
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    where
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    term = comments >> choice [
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        parens pas (liftM RefExpression expression >>= postfixes) >>= postfixes
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        , try $ typeCast >>= postfixes
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        , char '@' >> liftM Address reference >>= postfixes
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        , liftM SimpleReference iD >>= postfixes 
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        ] <?> "simple reference"
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    table = [ 
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        ]
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    postfixes r = many postfix >>= return . foldl (flip ($)) r
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    postfix = choice [
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            parens pas (option [] parameters) >>= return . FunCall
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          , char '^' >> return Dereference
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          , (brackets pas) (commaSep1 pas $ expression) >>= return . ArrayElement
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          , (char '.' >> notFollowedBy (char '.')) >> liftM (flip RecordField) reference
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        ]
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    typeCast = do
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        t <- choice $ map (\s -> try $ caseInsensitiveString s >>= \i -> notFollowedBy alphaNum >> return i) knownTypes
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        e <- parens pas expression
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        comments
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        return $ TypeCast (Identifier t BTUnknown) e
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varsDecl1 = varsParser sepEndBy1    
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varsDecl = varsParser sepEndBy
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varsParser m endsWithSemi = do
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    vs <- m (aVarDecl endsWithSemi) (semi pas)
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    return vs
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aVarDecl endsWithSemi = do
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    unless endsWithSemi $
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        optional $ choice [
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            try $ string "var"
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            , try $ string "const"
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            , try $ string "out"
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            ]
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    comments
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    ids <- do
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        i <- (commaSep1 pas) $ (try iD <?> "variable declaration")
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        char ':'
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        return i
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    comments
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    t <- typeDecl <?> "variable type declaration"
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    comments
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    init <- option Nothing $ do
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        char '='
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        comments
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        e <- initExpression
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        comments
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        return (Just e)
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    return $ VarDeclaration False (ids, t) init
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constsDecl = do
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    vs <- many1 (try (aConstDecl >>= \i -> semi pas >> return i) >>= \i -> comments >> return i)
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    comments
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    return vs
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    where
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    aConstDecl = do
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        comments
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        i <- iD
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        t <- optionMaybe $ do
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            char ':'
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            comments
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            t <- typeDecl
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            comments
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            return t
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        char '='
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        comments
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        e <- initExpression
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        comments
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        return $ VarDeclaration (isNothing t) ([i], fromMaybe (DeriveType e) t) (Just e)
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typeDecl = choice [
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    char '^' >> typeDecl >>= return . PointerTo
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    , try (string "shortstring") >> return (String 255)
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    , try (string "string") >> optionMaybe (brackets pas $ integer pas) >>= return . String . fromMaybe 255
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    , try (string "ansistring") >> optionMaybe (brackets pas $ integer pas) >>= return . String . fromMaybe 255
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    , arrayDecl
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    , recordDecl
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    , setDecl
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    , functionType
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    , sequenceDecl >>= return . Sequence
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    , try iD >>= return . SimpleType
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    , rangeDecl >>= return . RangeType
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    ] <?> "type declaration"
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    where
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    arrayDecl = do
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        try $ do
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            optional $ (try $ string "packed") >> comments
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            string "array"
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        comments
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        r <- option [] $ do
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            char '['
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            r <- commaSep pas rangeDecl
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            char ']'
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   142
            comments
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   143
            return r
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        string "of"
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unC0Rr
parents:
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   145
        comments
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   146
        t <- typeDecl
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   147
        if null r then
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            return $ ArrayDecl Nothing t
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            else
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            return $ foldr (\a b -> ArrayDecl (Just a) b) (ArrayDecl (Just $ head r) t) (tail r) 
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    recordDecl = do
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   152
        try $ do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
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   153
            optional $ (try $ string "packed") >> comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
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            string "record"
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        comments
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        vs <- varsDecl True
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   157
        union <- optionMaybe $ do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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   158
            string "case"
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   159
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   160
            iD
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   161
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   162
            string "of"
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   163
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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   164
            many unionCase
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        string "end"
6425
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unc0rr
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   166
        return $ RecordType vs union
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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   167
    setDecl = do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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   168
        try $ string "set" >> space
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   169
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   170
        string "of"
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   171
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   172
        liftM Set typeDecl
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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   173
    unionCase = do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   174
        try $ commaSep pas $ (iD >> return ()) <|> (integer pas >> return ())
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   175
        char ':'
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   176
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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   177
        u <- parens pas $ varsDecl True
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   178
        char ';'
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   179
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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   180
        return u
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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   181
    sequenceDecl = (parens pas) $ (commaSep pas) (iD >>= \i -> optional (spaces >> char '=' >> spaces >> integer pas) >> return i)
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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   182
    functionType = do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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   183
        fp <- try (string "function") <|> try (string "procedure")
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   184
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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   185
        vs <- option [] $ parens pas $ varsDecl False
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   186
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   187
        ret <- if (fp == "function") then do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   188
            char ':'
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   189
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   190
            ret <- typeDecl
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   191
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   192
            return ret
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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diff changeset
   193
            else
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8fadeefdd352 Just some further work
unc0rr
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   194
            return VoidType
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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diff changeset
   195
        optional $ try $ char ';' >> comments >> string "cdecl"
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   196
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
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diff changeset
   197
        return $ FunctionType ret vs
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
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   198
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   199
typesDecl = many (aTypeDecl >>= \t -> comments >> return t)
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   200
    where
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   201
    aTypeDecl = do
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   202
        i <- try $ do
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   203
            i <- iD <?> "type declaration"
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   204
            comments
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   205
            char '='
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   206
            return i
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   207
        comments
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   208
        t <- typeDecl
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   209
        comments
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   210
        semi pas
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   211
        comments
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   212
        return $ TypeDeclaration i t
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unc0rr
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   213
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   214
        
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   215
rangeDecl = choice [
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   216
    try $ rangeft
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   217
    , iD >>= return . Range
6270
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   218
    ] <?> "range declaration"
6277
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   219
    where
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   220
    rangeft = do
6388
14718b2685a3 Recognize some built-in functions
unc0rr
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diff changeset
   221
    e1 <- initExpression
6277
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   222
    string ".."
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   223
    e2 <- initExpression
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   224
    return $ RangeFromTo e1 e2        
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diff changeset
   225
    
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   226
typeVarDeclaration isImpl = (liftM concat . many . choice) [
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   227
    varSection,
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   228
    constSection,
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   229
    typeSection,
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   230
    funcDecl,
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   231
    operatorDecl
6270
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unc0rr
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   232
    ]
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
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diff changeset
   233
    where
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
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   234
    varSection = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
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   235
        try $ string "var"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
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   236
        comments
6443
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   237
        v <- varsDecl1 True <?> "variable declaration"
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   238
        comments
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   239
        return v
6275
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   240
f1b4f37dba22 Many improvements to the parser
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   241
    constSection = do
f1b4f37dba22 Many improvements to the parser
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   242
        try $ string "const"
f1b4f37dba22 Many improvements to the parser
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   243
        comments
6443
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   244
        c <- constsDecl <?> "const declaration"
6275
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   245
        comments
f1b4f37dba22 Many improvements to the parser
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   246
        return c
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   247
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   248
    typeSection = do
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   249
        try $ string "type"
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   250
        comments
6443
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   251
        t <- typesDecl <?> "type declaration"
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   252
        comments
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   253
        return t
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diff changeset
   254
        
6443
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   255
    operatorDecl = do
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   256
        try $ string "operator"
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   257
        comments
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   258
        i <- manyTill anyChar space
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   259
        comments
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   260
        vs <- parens pas $ varsDecl False
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   261
        comments
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   262
        rid <- iD
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   263
        comments
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   264
        char ':'
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   265
        comments
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   266
        ret <- typeDecl
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   267
        comments
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   268
        return ret
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   269
        char ';'
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   270
        comments
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   271
        forward <- liftM isJust $ optionMaybe (try (string "forward;") >> comments)
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   272
        many functionDecorator
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   273
        b <- if isImpl && (not forward) then
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   274
                liftM Just functionBody
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   275
                else
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   276
                return Nothing
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diff changeset
   277
        return $ [OperatorDeclaration i rid ret vs b]
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   278
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   279
        
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   280
    funcDecl = do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   281
        fp <- try (string "function") <|> try (string "procedure")
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   282
        comments
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   283
        i <- iD
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   284
        vs <- option [] $ parens pas $ varsDecl False
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   285
        comments
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   286
        ret <- if (fp == "function") then do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   287
            char ':'
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   288
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   289
            ret <- typeDecl
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   290
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   291
            return ret
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   292
            else
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6826
diff changeset
   293
            return VoidType
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   294
        char ';'
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   295
        comments
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   296
        forward <- liftM isJust $ optionMaybe (try (string "forward;") >> comments)
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   297
        many functionDecorator
6417
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   298
        b <- if isImpl && (not forward) then
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   299
                liftM Just functionBody
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   300
                else
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   301
                return Nothing
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   302
        return $ [FunctionDeclaration i ret vs b]
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   303
        
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   304
    functionDecorator = choice [
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   305
        try $ string "inline;"
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   306
        , try $ caseInsensitiveString "cdecl;"
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   307
        , try $ string "overload;"
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   308
        , try $ string "export;"
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   309
        , try $ string "varargs;"
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   310
        , try (string "external") >> comments >> iD >> optional (string "name" >> comments >> stringLiteral pas)>> string ";"
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   311
        ] >> comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   312
        
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   313
        
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   314
program = do
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   315
    string "program"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   316
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   317
    name <- iD
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   318
    (char ';')
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   319
    comments
6417
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   320
    comments
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   321
    u <- uses
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   322
    comments
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   323
    tv <- typeVarDeclaration True
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   324
    comments
6417
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   325
    p <- phrase
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   326
    comments
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   327
    char '.'
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   328
    comments
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   329
    return $ Program name (Implementation u (TypesAndVars tv)) p
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   330
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   331
interface = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   332
    string "interface"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   333
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   334
    u <- uses
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   335
    comments
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   336
    tv <- typeVarDeclaration False
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   337
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   338
    return $ Interface u (TypesAndVars tv)
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   339
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   340
implementation = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   341
    string "implementation"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   342
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   343
    u <- uses
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   344
    comments
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   345
    tv <- typeVarDeclaration True
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   346
    string "end."
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   347
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   348
    return $ Implementation u (TypesAndVars tv)
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   349
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   350
expression = buildExpressionParser table term <?> "expression"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   351
    where
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   352
    term = comments >> choice [
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6512
diff changeset
   353
        builtInFunction expression >>= \(n, e) -> return $ BuiltInFunCall e (SimpleReference (Identifier n BTUnknown))
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   354
        , try (parens pas $ expression >>= \e -> notFollowedBy (comments >> char '.') >> return e)
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   355
        , brackets pas (commaSep pas iD) >>= return . SetExpression
6412
4b9a59116535 - Split PascalParser into modules
unc0rr
parents: 6399
diff changeset
   356
        , try $ natural pas >>= \i -> notFollowedBy (char '.') >> (return . NumberLiteral . show) i
6452
7c6f9b6672dc More work on the parser
unc0rr
parents: 6450
diff changeset
   357
        , float pas >>= return . FloatLiteral . show
7c6f9b6672dc More work on the parser
unc0rr
parents: 6450
diff changeset
   358
        , natural pas >>= return . NumberLiteral . show
7067
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
   359
        , try (string "_S" >> stringLiteral pas) >>= return . StringLiteral
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
   360
        , stringLiteral pas >>= return . strOrChar
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   361
        , try (string "#$") >> many hexDigit >>= \c -> comments >> return (HexCharCode c)
6417
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   362
        , char '#' >> many digit >>= \c -> comments >> return (CharCode c)
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   363
        , char '$' >> many hexDigit >>=  \h -> comments >> return (HexNumber h)
6412
4b9a59116535 - Split PascalParser into modules
unc0rr
parents: 6399
diff changeset
   364
        , char '-' >> expression >>= return . PrefixOp "-"
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
   365
        , try $ string "nil" >> return Null
6467
090269e528df - Improve parsing of prefix operators
unc0rr
parents: 6453
diff changeset
   366
        , try $ string "not" >> expression >>= return . PrefixOp "not"
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   367
        , reference >>= return . Reference
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   368
        ] <?> "simple expression"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   369
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   370
    table = [ 
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
   371
          [  Infix (char '*' >> return (BinOp "*")) AssocLeft
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   372
           , Infix (char '/' >> return (BinOp "/")) AssocLeft
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   373
           , Infix (try (string "div") >> return (BinOp "div")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   374
           , Infix (try (string "mod") >> return (BinOp "mod")) AssocLeft
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   375
           , Infix (try (string "in") >> return (BinOp "in")) AssocNone
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   376
          ]
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   377
        , [  Infix (char '+' >> return (BinOp "+")) AssocLeft
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   378
           , Infix (char '-' >> return (BinOp "-")) AssocLeft
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   379
          ]
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   380
        , [  Infix (try (string "<>") >> return (BinOp "<>")) AssocNone
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   381
           , Infix (try (string "<=") >> return (BinOp "<=")) AssocNone
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   382
           , Infix (try (string ">=") >> return (BinOp ">=")) AssocNone
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   383
           , Infix (char '<' >> return (BinOp "<")) AssocNone
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   384
           , Infix (char '>' >> return (BinOp ">")) AssocNone
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   385
           , Infix (char '=' >> return (BinOp "=")) AssocNone
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   386
          ]
7043
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 6897
diff changeset
   387
        , [  Infix (try $ string "shl" >> return (BinOp "shl")) AssocNone
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 6897
diff changeset
   388
           , Infix (try $ string "shr" >> return (BinOp "shr")) AssocNone
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 6897
diff changeset
   389
          ]
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   390
        , [  Infix (try $ string "and" >> return (BinOp "and")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   391
           , Infix (try $ string "or" >> return (BinOp "or")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   392
           , Infix (try $ string "xor" >> return (BinOp "xor")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   393
          ]
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   394
        ]
7067
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
   395
    strOrChar [a] = CharCode . show . ord $ a
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
   396
    strOrChar a = StringLiteral a    
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   397
    
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   398
phrasesBlock = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   399
    try $ string "begin"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   400
    comments
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   401
    p <- manyTill phrase (try $ string "end" >> notFollowedBy alphaNum)
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   402
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   403
    return $ Phrases p
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   404
    
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   405
phrase = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   406
    o <- choice [
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   407
        phrasesBlock
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   408
        , ifBlock
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   409
        , whileCycle
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   410
        , repeatCycle
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   411
        , switchCase
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   412
        , withBlock
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   413
        , forCycle
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   414
        , (try $ reference >>= \r -> string ":=" >> return r) >>= \r -> expression >>= return . Assignment r
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6891
diff changeset
   415
        , builtInFunction expression >>= \(n, e) -> return $ BuiltInFunctionCall e (SimpleReference (Identifier n BTUnknown))
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   416
        , procCall
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   417
        , char ';' >> comments >> return NOP
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   418
        ]
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   419
    optional $ char ';'
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   420
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   421
    return o
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   422
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   423
ifBlock = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   424
    try $ string "if"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   425
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   426
    e <- expression
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   427
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   428
    string "then"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   429
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   430
    o1 <- phrase
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   431
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   432
    o2 <- optionMaybe $ do
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   433
        try $ string "else" >> space
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   434
        comments
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   435
        o <- option NOP phrase
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   436
        comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   437
        return o
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   438
    return $ IfThenElse e o1 o2
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   439
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   440
whileCycle = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   441
    try $ string "while"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   442
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   443
    e <- expression
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   444
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   445
    string "do"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   446
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   447
    o <- phrase
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   448
    return $ WhileCycle e o
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   449
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   450
withBlock = do
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   451
    try $ string "with" >> space
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   452
    comments
6387
3dcb839b5904 Less code
unc0rr
parents: 6386
diff changeset
   453
    rs <- (commaSep1 pas) reference
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   454
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   455
    string "do"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   456
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   457
    o <- phrase
6387
3dcb839b5904 Less code
unc0rr
parents: 6386
diff changeset
   458
    return $ foldr WithBlock o rs
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   459
    
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   460
repeatCycle = do
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   461
    try $ string "repeat" >> space
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   462
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   463
    o <- many phrase
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   464
    string "until"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   465
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   466
    e <- expression
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   467
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   468
    return $ RepeatCycle e o
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   469
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   470
forCycle = do
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   471
    try $ string "for" >> space
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   472
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   473
    i <- iD
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   474
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   475
    string ":="
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   476
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   477
    e1 <- expression
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   478
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   479
    choice [string "to", string "downto"]
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   480
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   481
    e2 <- expression
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   482
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   483
    string "do"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   484
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   485
    p <- phrase
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   486
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   487
    return $ ForCycle i e1 e2 p
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   488
    
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   489
switchCase = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   490
    try $ string "case"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   491
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   492
    e <- expression
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   493
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   494
    string "of"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   495
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   496
    cs <- many1 aCase
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   497
    o2 <- optionMaybe $ do
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   498
        try $ string "else" >> notFollowedBy alphaNum
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   499
        comments
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   500
        o <- many phrase
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   501
        comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   502
        return o
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   503
    string "end"
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   504
    comments
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   505
    return $ SwitchCase e cs o2
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   506
    where
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   507
    aCase = do
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   508
        e <- (commaSep pas) $ (liftM InitRange rangeDecl <|> initExpression)
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   509
        comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   510
        char ':'
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   511
        comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   512
        p <- phrase
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   513
        comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   514
        return (e, p)
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   515
    
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   516
procCall = do
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   517
    r <- reference
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   518
    p <- option [] $ (parens pas) parameters
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   519
    return $ ProcCall r p
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   520
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   521
parameters = (commaSep pas) expression <?> "parameters"
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   522
        
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   523
functionBody = do
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   524
    tv <- typeVarDeclaration True
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   525
    comments
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   526
    p <- phrasesBlock
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   527
    char ';'
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   528
    comments
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   529
    return (TypesAndVars tv, p)
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   530
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   531
uses = liftM Uses (option [] u)
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   532
    where
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   533
        u = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   534
            string "uses"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   535
            comments
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   536
            u <- (iD >>= \i -> comments >> return i) `sepBy1` (char ',' >> comments)
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   537
            char ';'
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   538
            comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   539
            return u
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   540
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   541
initExpression = buildExpressionParser table term <?> "initialization expression"
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   542
    where
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   543
    term = comments >> choice [
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   544
        liftM (uncurry BuiltInFunction) $ builtInFunction initExpression 
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   545
        , try $ brackets pas (commaSep pas $ initExpression) >>= return . InitSet
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   546
        , try $ parens pas (commaSep pas $ initExpression) >>= return . InitArray
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   547
        , parens pas (sepEndBy recField (char ';' >> comments)) >>= return . InitRecord
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   548
        , try $ integer pas >>= \i -> notFollowedBy (char '.') >> (return . InitNumber . show) i
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   549
        , try $ float pas >>= return . InitFloat . show
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   550
        , try $ integer pas >>= return . InitNumber . show
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   551
        , stringLiteral pas >>= return . InitString
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   552
        , char '#' >> many digit >>= \c -> comments >> return (InitChar c)
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   553
        , char '$' >> many hexDigit >>= \h -> comments >> return (InitHexNumber h)
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   554
        , char '@' >> initExpression >>= \c -> comments >> return (InitAddress c)
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   555
        , try $ string "nil" >> return InitNull
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   556
        , itypeCast
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   557
        , iD >>= return . InitReference
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   558
        ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   559
        
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   560
    recField = do
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   561
        i <- iD
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   562
        spaces
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   563
        char ':'
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   564
        spaces
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   565
        e <- initExpression
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   566
        spaces
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   567
        return (i ,e)
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   568
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   569
    table = [ 
7066
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7043
diff changeset
   570
          [
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7043
diff changeset
   571
             Prefix (char '-' >> return (InitPrefixOp "-"))
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7043
diff changeset
   572
          ]
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7043
diff changeset
   573
        , [  Infix (char '*' >> return (InitBinOp "*")) AssocLeft
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   574
           , Infix (char '/' >> return (InitBinOp "/")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   575
           , Infix (try (string "div") >> return (InitBinOp "div")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   576
           , Infix (try (string "mod") >> return (InitBinOp "mod")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   577
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   578
        , [  Infix (char '+' >> return (InitBinOp "+")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   579
           , Infix (char '-' >> return (InitBinOp "-")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   580
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   581
        , [  Infix (try (string "<>") >> return (InitBinOp "<>")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   582
           , Infix (try (string "<=") >> return (InitBinOp "<=")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   583
           , Infix (try (string ">=") >> return (InitBinOp ">=")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   584
           , Infix (char '<' >> return (InitBinOp "<")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   585
           , Infix (char '>' >> return (InitBinOp ">")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   586
           , Infix (char '=' >> return (InitBinOp "=")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   587
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   588
        , [  Infix (try $ string "and" >> return (InitBinOp "and")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   589
           , Infix (try $ string "or" >> return (InitBinOp "or")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   590
           , Infix (try $ string "xor" >> return (InitBinOp "xor")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   591
          ]
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6836
diff changeset
   592
        , [  Infix (try $ string "shl" >> return (InitBinOp "shl")) AssocNone
608c8b057c3b Improve rendering into C
unc0rr
parents: 6836
diff changeset
   593
           , Infix (try $ string "shr" >> return (InitBinOp "shr")) AssocNone
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   594
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   595
        , [Prefix (try (string "not") >> return (InitPrefixOp "not"))]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   596
        ]
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   597
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   598
    itypeCast = do
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   599
        t <- choice $ map (\s -> try $ caseInsensitiveString s >>= \i -> notFollowedBy alphaNum >> return i) knownTypes
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   600
        i <- parens pas initExpression
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   601
        comments
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6512
diff changeset
   602
        return $ InitTypeCast (Identifier t BTUnknown) i
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   603
        
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   604
builtInFunction e = do
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   605
    name <- choice $ map (\s -> try $ caseInsensitiveString s >>= \i -> notFollowedBy alphaNum >> return i) builtin
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   606
    spaces
6897
a9126661f613 Fix parsing of exit() call without parameters
unc0rr
parents: 6895
diff changeset
   607
    exprs <- option [] $ parens pas $ option [] $ commaSep1 pas $ e
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   608
    spaces
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   609
    return (name, exprs)
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   610
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   611
systemUnit = do
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   612
    string "system;"
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   613
    comments
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   614
    string "type"
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   615
    comments
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   616
    t <- typesDecl
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   617
    string "var"
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   618
    v <- varsDecl True
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   619
    return $ System (t ++ v)