tools/PascalParser.hs
author Xeli
Sat, 03 Dec 2011 19:18:13 +0100
changeset 6488 c356ddebab84
parent 6467 090269e528df
child 6489 e1f0058cfedd
permissions -rw-r--r--
android: moved the different objects representing the different game parameters to a different package
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
     1
module PascalParser where
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
     2
6412
4b9a59116535 - Split PascalParser into modules
unc0rr
parents: 6399
diff changeset
     3
import Text.Parsec
6272
a93cb9ca9fda - Update to compile with parsec 3.*
unc0rr
parents: 6270
diff changeset
     4
import Text.Parsec.Char
a93cb9ca9fda - Update to compile with parsec 3.*
unc0rr
parents: 6270
diff changeset
     5
import Text.Parsec.Token
a93cb9ca9fda - Update to compile with parsec 3.*
unc0rr
parents: 6270
diff changeset
     6
import Text.Parsec.Language
6412
4b9a59116535 - Split PascalParser into modules
unc0rr
parents: 6399
diff changeset
     7
import Text.Parsec.Expr
6272
a93cb9ca9fda - Update to compile with parsec 3.*
unc0rr
parents: 6270
diff changeset
     8
import Text.Parsec.Prim
a93cb9ca9fda - Update to compile with parsec 3.*
unc0rr
parents: 6270
diff changeset
     9
import Text.Parsec.Combinator
a93cb9ca9fda - Update to compile with parsec 3.*
unc0rr
parents: 6270
diff changeset
    10
import Text.Parsec.String
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
    11
import Control.Monad
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
    12
import Data.Maybe
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
    13
6412
4b9a59116535 - Split PascalParser into modules
unc0rr
parents: 6399
diff changeset
    14
import PascalBasics
6467
090269e528df - Improve parsing of prefix operators
unc0rr
parents: 6453
diff changeset
    15
import PascalUnitSyntaxTree
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    16
    
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
    17
knownTypes = ["shortstring", "char", "byte"]
6357
52cb4807a78c Something
unc0rr
parents: 6355
diff changeset
    18
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
    19
pascalUnit = 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
    20
    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
    21
    u <- choice [program, unit]
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
    22
    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
    23
    return 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
    24
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    25
iD = do
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    26
    i <- liftM Identifier (identifier pas)
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    27
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    28
    return i
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    29
        
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
    30
unit = do
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    31
    string "unit" >> comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    32
    name <- iD
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    33
    semi pas
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
    34
    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
    35
    int <- 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
    36
    impl <- 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
    37
    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
    38
    return $ Unit name int impl Nothing Nothing
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    39
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    40
    
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    41
reference = buildExpressionParser table term <?> "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
    42
    where
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    43
    term = comments >> choice [
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
    44
        parens pas (liftM RefExpression expression >>= postfixes) >>= postfixes
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
    45
        , try $ typeCast >>= postfixes
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    46
        , char '@' >> liftM Address reference >>= postfixes
6386
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    47
        , liftM SimpleReference iD >>= postfixes 
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    48
        ] <?> "simple 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
    49
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    50
    table = [ 
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    51
        ]
6386
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    52
    
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
    53
    postfixes r = many postfix >>= return . foldl (flip ($)) r
6386
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    54
    postfix = choice [
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    55
            parens pas (option [] parameters) >>= return . FunCall
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    56
          , char '^' >> return Dereference
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    57
          , (brackets pas) (commaSep1 pas $ expression) >>= return . ArrayElement
6467
090269e528df - Improve parsing of prefix operators
unc0rr
parents: 6453
diff changeset
    58
          , (char '.' >> notFollowedBy (char '.')) >> liftM (flip RecordField) reference
6386
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    59
        ]
6316
ac23ba018ed2 Fix inifinite loops
unc0rr
parents: 6315
diff changeset
    60
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    61
    typeCast = do
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    62
        t <- choice $ map (\s -> try $ caseInsensitiveString s >>= \i -> notFollowedBy alphaNum >> return i) knownTypes
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
    63
        e <- parens pas expression
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    64
        comments
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
    65
        return $ TypeCast (Identifier t) e
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    66
        
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    67
    
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    68
varsDecl1 = varsParser sepEndBy1    
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    69
varsDecl = varsParser sepEndBy
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
    70
varsParser m endsWithSemi = do
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    71
    vs <- m (aVarDecl endsWithSemi) (semi pas)
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    72
    return vs
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    73
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    74
aVarDecl endsWithSemi = 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
    75
    unless endsWithSemi $
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    76
        optional $ choice [
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    77
            try $ string "var"
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    78
            , try $ string "const"
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    79
            , try $ string "out"
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    80
            ]
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
    81
    comments
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    82
    ids <- do
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    83
        i <- (commaSep1 pas) $ (try iD <?> "variable declaration")
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    84
        char ':'
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    85
        return i
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    86
    comments
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    87
    t <- typeDecl <?> "variable type declaration"
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    88
    comments
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    89
    init <- option Nothing $ do
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    90
        char '='
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    91
        comments
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
    92
        e <- initExpression
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
    93
        comments
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    94
        return (Just e)
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    95
    return $ VarDeclaration False (ids, t) init
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    96
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    97
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    98
constsDecl = do
6317
83b93a2d2741 Improve parsing of complex references like "a^[b[c], d]"
unc0rr
parents: 6316
diff changeset
    99
    vs <- many1 (try (aConstDecl >>= \i -> semi pas >> return i) >>= \i -> comments >> return i)
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   100
    comments
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   101
    return vs
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   102
    where
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   103
    aConstDecl = do
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   104
        comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   105
        i <- iD
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   106
        t <- optionMaybe $ do
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   107
            char ':'
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   108
            comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   109
            t <- typeDecl
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
   110
            comments
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   111
            return t
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   112
        char '='
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   113
        comments
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   114
        e <- initExpression
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   115
        comments
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   116
        return $ VarDeclaration False ([i], fromMaybe UnknownType t) (Just e)
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
   117
        
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
   118
typeDecl = choice [
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
   119
    char '^' >> typeDecl >>= return . PointerTo
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   120
    , try (string "shortstring") >> return (String 255)
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   121
    , try (string "string") >> optionMaybe (brackets pas $ integer pas) >>= return . String . fromMaybe 255
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
   122
    , arrayDecl
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   123
    , recordDecl
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
   124
    , setDecl
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
   125
    , functionType
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   126
    , sequenceDecl >>= return . Sequence
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   127
    , try (identifier pas) >>= return . SimpleType . Identifier
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
   128
    , rangeDecl >>= return . RangeType
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
   129
    ] <?> "type declaration"
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
   130
    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
   131
    arrayDecl = 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
   132
        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
unc0rr
parents: 6417
diff changeset
   133
            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
unc0rr
parents: 6417
diff changeset
   134
            string "array"
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
   135
        comments
6426
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   136
        r <- option [] $ 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
   137
            char '['
6426
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   138
            r <- commaSep pas rangeDecl
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
   139
            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
   140
            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
   141
            return r
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
   142
        string "of"
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   143
        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
   144
        t <- typeDecl
6426
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   145
        if null r then
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   146
            return $ ArrayDecl Nothing t
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   147
            else
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   148
            return $ foldr (\a b -> ArrayDecl (Just a) b) (ArrayDecl (Just $ head r) t) (tail r) 
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   149
    recordDecl = 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
   150
        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
unc0rr
parents: 6417
diff changeset
   151
            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
unc0rr
parents: 6417
diff changeset
   152
            string "record"
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   153
        comments
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   154
        vs <- varsDecl True
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
   155
        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
parents: 6417
diff changeset
   156
            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
diff changeset
   157
            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
   158
            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
diff changeset
   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
diff changeset
   160
            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
   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
diff changeset
   162
            many unionCase
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   163
        string "end"
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
   164
        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
parents: 6417
diff changeset
   165
    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
parents: 6417
diff changeset
   166
        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
   167
        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
   168
        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
   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
diff changeset
   170
        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
parents: 6417
diff changeset
   171
    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
diff changeset
   172
        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
diff changeset
   173
        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
   174
        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
   175
        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
   176
        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
   177
        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
   178
        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
parents: 6417
diff changeset
   179
    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
parents: 6417
diff changeset
   180
    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
diff changeset
   181
        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
   182
        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
   183
        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
   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
parents: 6417
diff changeset
   185
        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
   186
            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
   187
            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
   188
            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
   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
            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
   191
            else
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 UnknownType
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
   193
        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
   194
        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
   195
        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
parents: 4353
diff changeset
   196
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   197
typesDecl = many (aTypeDecl >>= \t -> comments >> return t)
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   198
    where
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   199
    aTypeDecl = do
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   200
        i <- try $ do
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   201
            i <- iD <?> "type declaration"
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   202
            comments
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   203
            char '='
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   204
            return i
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   205
        comments
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   206
        t <- typeDecl
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   207
        comments
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   208
        semi pas
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   209
        comments
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   210
        return $ TypeDeclaration i t
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   211
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   212
        
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
   213
rangeDecl = choice [
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   214
    try $ rangeft
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   215
    , iD >>= return . Range
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
   216
    ] <?> "range declaration"
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   217
    where
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   218
    rangeft = do
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   219
    e1 <- initExpression
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   220
    string ".."
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   221
    e2 <- initExpression
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   222
    return $ RangeFromTo e1 e2        
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   223
    
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   224
typeVarDeclaration isImpl = (liftM concat . many . choice) [
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
   225
    varSection,
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   226
    constSection,
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   227
    typeSection,
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   228
    funcDecl,
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   229
    operatorDecl
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
   230
    ]
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
   231
    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
   232
    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
parents: 4353
diff changeset
   233
        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
parents: 4353
diff changeset
   234
        comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   235
        v <- varsDecl1 True <?> "variable declaration"
6272
a93cb9ca9fda - Update to compile with parsec 3.*
unc0rr
parents: 6270
diff changeset
   236
        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
   237
        return v
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   238
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   239
    constSection = do
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   240
        try $ string "const"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   241
        comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   242
        c <- constsDecl <?> "const declaration"
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   243
        comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   244
        return c
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   245
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   246
    typeSection = do
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   247
        try $ string "type"
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   248
        comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   249
        t <- typesDecl <?> "type declaration"
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   250
        comments
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   251
        return t
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   252
        
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   253
    operatorDecl = do
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   254
        try $ string "operator"
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   255
        comments
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   256
        i <- manyTill anyChar space
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   257
        comments
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   258
        vs <- parens pas $ varsDecl False
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   259
        comments
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   260
        rid <- iD
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   261
        comments
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   262
        char ':'
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   263
        comments
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   264
        ret <- typeDecl
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   265
        comments
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   266
        return ret
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   267
        char ';'
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   268
        comments
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   269
        forward <- liftM isJust $ optionMaybe (try (string "forward;") >> comments)
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   270
        many functionDecorator
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   271
        b <- if isImpl && (not forward) then
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   272
                liftM Just functionBody
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   273
                else
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   274
                return Nothing
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   275
        return $ [OperatorDeclaration i rid ret vs b]
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   276
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   277
        
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
   278
    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
   279
        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
   280
        comments
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   281
        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
   282
        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
   283
        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
   284
        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
   285
            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
   286
            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
   287
            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
   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
            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
   290
            else
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 UnknownType
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
   292
        char ';'
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   293
        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
   294
        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
   295
        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
   296
        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
   297
                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
   298
                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
   299
                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
   300
        return $ [FunctionDeclaration i ret vs b]
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   301
        
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
    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
   303
        try $ string "inline;"
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   304
        , try $ caseInsensitiveString "cdecl;"
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   305
        , try $ string "overload;"
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   306
        , try $ string "export;"
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   307
        , 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
   308
        , 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
   309
        ] >> comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   310
        
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   311
        
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
   312
program = do
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   313
    string "program"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   314
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   315
    name <- iD
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   316
    (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
   317
    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
   318
    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
   319
    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
   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
    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
   322
    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
   323
    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
   324
    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
   325
    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
   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
    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
   328
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
   329
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
   330
    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
   331
    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
   332
    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
   333
    comments
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   334
    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
   335
    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
   336
    return $ Interface u (TypesAndVars tv)
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   337
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
   338
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
   339
    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
   340
    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
   341
    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
   342
    comments
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   343
    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
   344
    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
   345
    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
   346
    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
   347
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
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
   349
    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
   350
    term = comments >> choice [
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   351
        builtInFunction expression >>= \(n, e) -> return $ BuiltInFunCall e (SimpleReference (Identifier n))
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   352
        , try (parens pas $ expression >>= \e -> notFollowedBy (comments >> char '.') >> return e)
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   353
        , brackets pas (commaSep pas iD) >>= return . SetExpression
6412
4b9a59116535 - Split PascalParser into modules
unc0rr
parents: 6399
diff changeset
   354
        , try $ natural pas >>= \i -> notFollowedBy (char '.') >> (return . NumberLiteral . show) i
6452
7c6f9b6672dc More work on the parser
unc0rr
parents: 6450
diff changeset
   355
        , float pas >>= return . FloatLiteral . show
7c6f9b6672dc More work on the parser
unc0rr
parents: 6450
diff changeset
   356
        , natural pas >>= return . NumberLiteral . show
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   357
        , stringLiteral pas >>= return . StringLiteral
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   358
        , try (string "#$") >> many hexDigit >>= \c -> comments >> return (HexCharCode c)
6417
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   359
        , char '#' >> many digit >>= \c -> comments >> return (CharCode c)
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   360
        , char '$' >> many hexDigit >>=  \h -> comments >> return (HexNumber h)
6412
4b9a59116535 - Split PascalParser into modules
unc0rr
parents: 6399
diff changeset
   361
        , char '-' >> expression >>= return . PrefixOp "-"
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
   362
        , try $ string "nil" >> return Null
6467
090269e528df - Improve parsing of prefix operators
unc0rr
parents: 6453
diff changeset
   363
        , try $ string "not" >> expression >>= return . PrefixOp "not"
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   364
        , 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
   365
        ] <?> "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
   366
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
   367
    table = [ 
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
   368
          [  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
   369
           , Infix (char '/' >> return (BinOp "/")) AssocLeft
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   370
           , Infix (try (string "div") >> return (BinOp "div")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   371
           , Infix (try (string "mod") >> return (BinOp "mod")) AssocLeft
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   372
           , Infix (try (string "in") >> return (BinOp "in")) AssocNone
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   373
          ]
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
   374
        , [  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
   375
           , Infix (char '-' >> return (BinOp "-")) AssocLeft
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   376
          ]
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   377
        , [  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
   378
           , 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
   379
           , 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
   380
           , 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
   381
           , 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
   382
           , Infix (char '=' >> return (BinOp "=")) AssocNone
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   383
          ]
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   384
        , [  Infix (try $ string "and" >> return (BinOp "and")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   385
           , Infix (try $ string "or" >> return (BinOp "or")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   386
           , Infix (try $ string "xor" >> return (BinOp "xor")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   387
          ]
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   388
        , [  Infix (try $ string "shl" >> return (BinOp "shl")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   389
           , Infix (try $ string "shr" >> return (BinOp "shr")) AssocNone
6307
25cfd9f4a567 Even more improvements to the parser and converter
unc0rr
parents: 6290
diff changeset
   390
          ]
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
   391
        ]
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
   392
    
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
   393
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
   394
    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
   395
    comments
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   396
    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
   397
    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
   398
    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
   399
    
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
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
   401
    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
   402
        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
   403
        , 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
   404
        , whileCycle
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   405
        , 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
   406
        , switchCase
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   407
        , withBlock
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   408
        , forCycle
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   409
        , (try $ reference >>= \r -> string ":=" >> return r) >>= \r -> expression >>= return . Assignment r
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
   410
        , procCall
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   411
        , 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
   412
        ]
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
   413
    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
   414
    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
   415
    return o
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   416
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
   417
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
   418
    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
   419
    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
   420
    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
   421
    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
   422
    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
   423
    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
   424
    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
   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
    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
   427
        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
   428
        comments
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   429
        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
   430
        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
   431
        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
   432
    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
   433
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
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
   435
    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
   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
    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
   438
    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
   439
    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
   440
    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
   441
    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
   442
    return $ WhileCycle e o
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   443
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   444
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
   445
    try $ string "with" >> space
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   446
    comments
6387
3dcb839b5904 Less code
unc0rr
parents: 6386
diff changeset
   447
    rs <- (commaSep1 pas) reference
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   448
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   449
    string "do"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   450
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   451
    o <- phrase
6387
3dcb839b5904 Less code
unc0rr
parents: 6386
diff changeset
   452
    return $ foldr WithBlock o rs
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   453
    
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   454
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
   455
    try $ string "repeat" >> space
6275
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 <- many phrase
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   458
    string "until"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   459
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   460
    e <- expression
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   461
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   462
    return $ RepeatCycle e o
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   463
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   464
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
   465
    try $ string "for" >> space
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   466
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   467
    i <- iD
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   468
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   469
    string ":="
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   470
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   471
    e1 <- expression
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
    choice [string "to", string "downto"]
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
    e2 <- expression
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
    string "do"
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
    p <- phrase
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
    return $ ForCycle i e1 e2 p
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   482
    
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
   483
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
   484
    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
   485
    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
   486
    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
   487
    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
   488
    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
   489
    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
   490
    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
   491
    o2 <- optionMaybe $ do
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   492
        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
   493
        comments
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   494
        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
   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
        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
   497
    string "end"
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   498
    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
   499
    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
   500
    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
   501
    aCase = do
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   502
        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
   503
        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
   504
        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
   505
        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
   506
        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
   507
        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
   508
        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
   509
    
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
procCall = do
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   511
    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
   512
    p <- option [] $ (parens pas) parameters
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   513
    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
   514
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   515
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
   516
        
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
   517
functionBody = do
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   518
    tv <- typeVarDeclaration True
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   519
    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
   520
    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
   521
    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
   522
    comments
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   523
    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
   524
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
   525
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
   526
    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
   527
        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
   528
            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
   529
            comments
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   530
            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
   531
            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
   532
            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
   533
            return u
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   534
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   535
initExpression = buildExpressionParser table term <?> "initialization expression"
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   536
    where
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   537
    term = comments >> choice [
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   538
        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
   539
        , try $ brackets pas (commaSep pas $ initExpression) >>= return . InitSet
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   540
        , 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
   541
        , parens pas (sepEndBy recField (char ';' >> comments)) >>= return . InitRecord
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   542
        , try $ integer pas >>= \i -> notFollowedBy (char '.') >> (return . InitNumber . show) i
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   543
        , try $ float pas >>= return . InitFloat . show
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   544
        , try $ integer pas >>= return . InitNumber . show
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   545
        , stringLiteral pas >>= return . InitString
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   546
        , char '#' >> many digit >>= \c -> comments >> return (InitChar c)
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   547
        , 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
   548
        , char '@' >> initExpression >>= \c -> comments >> return (InitAddress c)
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   549
        , 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
   550
        , itypeCast
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   551
        , iD >>= return . InitReference
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   552
        ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   553
        
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   554
    recField = do
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   555
        i <- iD
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   556
        spaces
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   557
        char ':'
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   558
        spaces
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   559
        e <- initExpression
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   560
        spaces
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   561
        return (i ,e)
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   562
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   563
    table = [ 
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   564
          [  Infix (char '*' >> return (InitBinOp "*")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   565
           , Infix (char '/' >> return (InitBinOp "/")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   566
           , Infix (try (string "div") >> return (InitBinOp "div")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   567
           , Infix (try (string "mod") >> return (InitBinOp "mod")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   568
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   569
        , [  Infix (char '+' >> return (InitBinOp "+")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   570
           , Infix (char '-' >> return (InitBinOp "-")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   571
           , Prefix (char '-' >> return (InitPrefixOp "-"))
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   572
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   573
        , [  Infix (try (string "<>") >> return (InitBinOp "<>")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   574
           , Infix (try (string "<=") >> return (InitBinOp "<=")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   575
           , Infix (try (string ">=") >> return (InitBinOp ">=")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   576
           , Infix (char '<' >> return (InitBinOp "<")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   577
           , Infix (char '>' >> return (InitBinOp ">")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   578
           , Infix (char '=' >> return (InitBinOp "=")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   579
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   580
        , [  Infix (try $ string "and" >> return (InitBinOp "and")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   581
           , Infix (try $ string "or" >> return (InitBinOp "or")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   582
           , Infix (try $ string "xor" >> return (InitBinOp "xor")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   583
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   584
        , [  Infix (try $ string "shl" >> return (InitBinOp "and")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   585
           , Infix (try $ string "shr" >> return (InitBinOp "or")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   586
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   587
        , [Prefix (try (string "not") >> return (InitPrefixOp "not"))]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   588
        ]
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   589
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   590
    itypeCast = do
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   591
        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
   592
        i <- parens pas initExpression
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   593
        comments
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   594
        return $ InitTypeCast (Identifier t) i
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   595
        
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   596
builtInFunction e = do
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   597
    name <- choice $ map (\s -> try $ caseInsensitiveString s >>= \i -> notFollowedBy alphaNum >> return i) builtin
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   598
    spaces
6397
6eb58ae8b510 Oops, function call has parens
unc0rr
parents: 6391
diff changeset
   599
    exprs <- parens pas $ commaSep1 pas $ e
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   600
    spaces
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   601
    return (name, exprs)
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
   602