tools/PascalParser.hs
author nemo
Sat, 09 Jun 2012 09:53:15 -0400
changeset 7206 ce46b56ae9f5
parent 7070 8d4189609e90
child 7315 59b5b19e6604
permissions -rw-r--r--
Double sniper rifle damage (AI seems unaware of second shot, when playing). Spread out flakes along X when looping and add a little Y variation. This avoids noticeable patterns. Especially on the rarer close layer or dense flakes like rain (for Y)
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
7067
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
    13
import Data.Char
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
    14
6412
4b9a59116535 - Split PascalParser into modules
unc0rr
parents: 6399
diff changeset
    15
import PascalBasics
6467
090269e528df - Improve parsing of prefix operators
unc0rr
parents: 6453
diff changeset
    16
import PascalUnitSyntaxTree
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    17
    
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6875
diff changeset
    18
knownTypes = ["shortstring", "ansistring", "char", "byte"]
6357
52cb4807a78c Something
unc0rr
parents: 6355
diff changeset
    19
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
    20
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
    21
    comments
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
    22
    u <- choice [program, unit, systemUnit]
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
    23
    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
    24
    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
    25
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    26
iD = do
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6512
diff changeset
    27
    i <- liftM (flip Identifier BTUnknown) (identifier pas)
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    28
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    29
    return i
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    30
        
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
    31
unit = do
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    32
    string "unit" >> comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    33
    name <- iD
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    34
    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
    35
    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
    36
    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
    37
    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
    38
    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
    39
    return $ Unit name int impl Nothing Nothing
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    40
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    41
    
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    42
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
    43
    where
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    44
    term = comments >> choice [
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
    45
        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
    46
        , try $ typeCast >>= postfixes
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    47
        , char '@' >> liftM Address reference >>= postfixes
6386
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    48
        , liftM SimpleReference iD >>= postfixes 
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    49
        ] <?> "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
    50
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    51
    table = [ 
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    52
        ]
6386
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    53
    
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
    54
    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
    55
    postfix = choice [
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    56
            parens pas (option [] parameters) >>= return . FunCall
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    57
          , char '^' >> return Dereference
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    58
          , (brackets pas) (commaSep1 pas $ expression) >>= return . ArrayElement
6467
090269e528df - Improve parsing of prefix operators
unc0rr
parents: 6453
diff changeset
    59
          , (char '.' >> notFollowedBy (char '.')) >> liftM (flip RecordField) reference
6386
7d7703b26bda Prefix followed by prefix issue solved. Also some slight improvements.
unc0rr
parents: 6357
diff changeset
    60
        ]
6316
ac23ba018ed2 Fix inifinite loops
unc0rr
parents: 6315
diff changeset
    61
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    62
    typeCast = do
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    63
        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
    64
        e <- parens pas expression
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    65
        comments
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6512
diff changeset
    66
        return $ TypeCast (Identifier t BTUnknown) e
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
    67
        
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    68
    
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    69
varsDecl1 = varsParser sepEndBy1    
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    70
varsDecl = varsParser sepEndBy
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
    71
varsParser m endsWithSemi = do
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    72
    vs <- m (aVarDecl endsWithSemi) (semi pas)
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    73
    return vs
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    74
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    75
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
    76
    unless endsWithSemi $
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    77
        optional $ choice [
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    78
            try $ string "var"
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    79
            , try $ string "const"
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    80
            , try $ string "out"
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    81
            ]
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
    82
    comments
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    83
    ids <- do
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    84
        i <- (commaSep1 pas) $ (try iD <?> "variable declaration")
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    85
        char ':'
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    86
        return i
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    87
    comments
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    88
    t <- typeDecl <?> "variable type declaration"
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    89
    comments
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    90
    init <- option Nothing $ do
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    91
        char '='
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    92
        comments
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
    93
        e <- initExpression
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
    94
        comments
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    95
        return (Just e)
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
    96
    return $ VarDeclaration False (ids, t) init
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    97
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    98
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
    99
constsDecl = do
6317
83b93a2d2741 Improve parsing of complex references like "a^[b[c], d]"
unc0rr
parents: 6316
diff changeset
   100
    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
   101
    comments
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   102
    return vs
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   103
    where
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   104
    aConstDecl = do
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   105
        comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   106
        i <- iD
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   107
        t <- optionMaybe $ do
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   108
            char ':'
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   109
            comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   110
            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
   111
            comments
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   112
            return t
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   113
        char '='
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   114
        comments
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   115
        e <- initExpression
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   116
        comments
6875
6528171ce36d First try to compile with clang: improve renderer a bit. The result of pas2c is still far from normal C source.
unc0rr
parents: 6858
diff changeset
   117
        return $ VarDeclaration (isNothing t) ([i], fromMaybe (DeriveType e) 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
   118
        
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   119
typeDecl = choice [
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
   120
    char '^' >> typeDecl >>= return . PointerTo
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   121
    , try (string "shortstring") >> return (String 255)
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   122
    , try (string "string") >> optionMaybe (brackets pas $ integer pas) >>= return . String . fromMaybe 255
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6875
diff changeset
   123
    , try (string "ansistring") >> optionMaybe (brackets pas $ integer pas) >>= return . String . fromMaybe 255
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
   124
    , arrayDecl
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   125
    , 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
   126
    , 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
   127
    , functionType
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   128
    , sequenceDecl >>= return . Sequence
6489
e1f0058cfedd Add base type tags to identifiers
unc0rr
parents: 6467
diff changeset
   129
    , try iD >>= return . SimpleType
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
   130
    , 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
   131
    ] <?> "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
   132
    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
   133
    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
   134
        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
   135
            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
   136
            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
   137
        comments
6426
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   138
        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
   139
            char '['
6426
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   140
            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
   141
            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
   142
            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
   143
            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
   144
        string "of"
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   145
        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
   146
        t <- typeDecl
6426
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   147
        if null r then
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   148
            return $ ArrayDecl Nothing t
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   149
            else
2d44f6561e72 Help parser a bit
unc0rr
parents: 6425
diff changeset
   150
            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
   151
    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
   152
        try $ do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   153
            optional $ (try $ string "packed") >> comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   154
            string "record"
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   155
        comments
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   156
        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
   157
        union <- optionMaybe $ do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   158
            string "case"
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
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
            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
   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
            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
   163
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   164
            many unionCase
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   165
        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
   166
        return $ RecordType vs union
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   167
    setDecl = do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   168
        try $ string "set" >> space
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   169
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   170
        string "of"
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   171
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   172
        liftM Set typeDecl
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   173
    unionCase = do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   174
        try $ commaSep pas $ (iD >> return ()) <|> (integer pas >> return ())
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   175
        char ':'
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   176
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   177
        u <- parens pas $ varsDecl True
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   178
        char ';'
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   179
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   180
        return u
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   181
    sequenceDecl = (parens pas) $ (commaSep pas) (iD >>= \i -> optional (spaces >> char '=' >> spaces >> integer pas) >> return i)
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   182
    functionType = do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   183
        fp <- try (string "function") <|> try (string "procedure")
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   184
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   185
        vs <- option [] $ parens pas $ varsDecl False
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   186
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   187
        ret <- if (fp == "function") then do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   188
            char ':'
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   189
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   190
            ret <- typeDecl
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   191
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   192
            return ret
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   193
            else
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6626
diff changeset
   194
            return VoidType
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   195
        optional $ try $ char ';' >> comments >> string "cdecl"
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   196
        comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   197
        return $ FunctionType ret vs
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   198
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   199
typesDecl = many (aTypeDecl >>= \t -> comments >> return t)
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   200
    where
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   201
    aTypeDecl = do
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   202
        i <- try $ do
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   203
            i <- iD <?> "type declaration"
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   204
            comments
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   205
            char '='
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   206
            return i
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
        t <- typeDecl
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
        semi pas
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   211
        comments
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   212
        return $ TypeDeclaration i t
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   213
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   214
        
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
   215
rangeDecl = choice [
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   216
    try $ rangeft
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   217
    , 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
   218
    ] <?> "range declaration"
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   219
    where
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   220
    rangeft = do
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   221
    e1 <- initExpression
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   222
    string ".."
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   223
    e2 <- initExpression
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   224
    return $ RangeFromTo e1 e2        
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   225
    
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   226
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
   227
    varSection,
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   228
    constSection,
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   229
    typeSection,
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   230
    funcDecl,
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   231
    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
   232
    ]
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   233
    where
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   234
    varSection = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   235
        try $ string "var"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   236
        comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   237
        v <- varsDecl1 True <?> "variable declaration"
6272
a93cb9ca9fda - Update to compile with parsec 3.*
unc0rr
parents: 6270
diff changeset
   238
        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
   239
        return v
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   240
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   241
    constSection = do
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   242
        try $ string "const"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   243
        comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   244
        c <- constsDecl <?> "const declaration"
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   245
        comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   246
        return c
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   247
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   248
    typeSection = do
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   249
        try $ string "type"
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   250
        comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   251
        t <- typesDecl <?> "type declaration"
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   252
        comments
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   253
        return t
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   254
        
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   255
    operatorDecl = do
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   256
        try $ string "operator"
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
        i <- manyTill anyChar space
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
        vs <- parens pas $ varsDecl False
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
        rid <- iD
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
        char ':'
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
        ret <- typeDecl
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   267
        comments
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   268
        return ret
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   269
        char ';'
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   270
        comments
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   271
        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
   272
        many functionDecorator
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   273
        b <- if isImpl && (not forward) then
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   274
                liftM Just functionBody
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   275
                else
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   276
                return Nothing
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   277
        return $ [OperatorDeclaration i rid ret vs b]
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   278
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   279
        
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   280
    funcDecl = do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   281
        fp <- try (string "function") <|> try (string "procedure")
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   282
        comments
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   283
        i <- iD
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   284
        vs <- option [] $ parens pas $ varsDecl False
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   285
        comments
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   286
        ret <- if (fp == "function") then do
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   287
            char ':'
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   288
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   289
            ret <- typeDecl
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   290
            comments
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   291
            return ret
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   292
            else
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6826
diff changeset
   293
            return VoidType
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   294
        char ';'
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   295
        comments
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   296
        forward <- liftM isJust $ optionMaybe (try (string "forward;") >> comments)
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   297
        many functionDecorator
6417
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   298
        b <- if isImpl && (not forward) then
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   299
                liftM Just functionBody
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   300
                else
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   301
                return Nothing
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   302
        return $ [FunctionDeclaration i ret vs b]
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   303
        
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   304
    functionDecorator = choice [
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   305
        try $ string "inline;"
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   306
        , try $ caseInsensitiveString "cdecl;"
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   307
        , try $ string "overload;"
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   308
        , try $ string "export;"
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   309
        , try $ string "varargs;"
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   310
        , try (string "external") >> comments >> iD >> optional (string "name" >> comments >> stringLiteral pas)>> string ";"
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   311
        ] >> comments
6443
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   312
        
23364a5fcc86 - Help parser by dropping that insane formatting syntax in str function
unc0rr
parents: 6426
diff changeset
   313
        
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   314
program = do
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   315
    string "program"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   316
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   317
    name <- iD
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   318
    (char ';')
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   319
    comments
6417
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   320
    comments
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   321
    u <- uses
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   322
    comments
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   323
    tv <- typeVarDeclaration True
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   324
    comments
6417
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   325
    p <- phrase
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   326
    comments
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   327
    char '.'
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   328
    comments
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   329
    return $ Program name (Implementation u (TypesAndVars tv)) p
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   330
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   331
interface = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   332
    string "interface"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   333
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   334
    u <- uses
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   335
    comments
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   336
    tv <- typeVarDeclaration False
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   337
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   338
    return $ Interface u (TypesAndVars tv)
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   339
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   340
implementation = do
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   341
    string "implementation"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   342
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   343
    u <- uses
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   344
    comments
6277
627b5752733a A try to improve parser move (has regressions)
unc0rr
parents: 6275
diff changeset
   345
    tv <- typeVarDeclaration True
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   346
    string "end."
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   347
    comments
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   348
    return $ Implementation u (TypesAndVars tv)
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   349
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   350
expression = buildExpressionParser table term <?> "expression"
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   351
    where
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   352
    term = comments >> choice [
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6512
diff changeset
   353
        builtInFunction expression >>= \(n, e) -> return $ BuiltInFunCall e (SimpleReference (Identifier n BTUnknown))
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   354
        , try (parens pas $ expression >>= \e -> notFollowedBy (comments >> char '.') >> return e)
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   355
        , brackets pas (commaSep pas iD) >>= return . SetExpression
6412
4b9a59116535 - Split PascalParser into modules
unc0rr
parents: 6399
diff changeset
   356
        , try $ natural pas >>= \i -> notFollowedBy (char '.') >> (return . NumberLiteral . show) i
6452
7c6f9b6672dc More work on the parser
unc0rr
parents: 6450
diff changeset
   357
        , float pas >>= return . FloatLiteral . show
7c6f9b6672dc More work on the parser
unc0rr
parents: 6450
diff changeset
   358
        , natural pas >>= return . NumberLiteral . show
7067
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
   359
        , try (string "_S" >> stringLiteral pas) >>= return . StringLiteral
7070
8d4189609e90 oops, wrong type
unc0rr
parents: 7069
diff changeset
   360
        , try (string "_P" >> stringLiteral pas) >>= return . PCharLiteral
7067
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
   361
        , stringLiteral pas >>= return . strOrChar
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   362
        , try (string "#$") >> many hexDigit >>= \c -> comments >> return (HexCharCode c)
6417
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   363
        , char '#' >> many digit >>= \c -> comments >> return (CharCode c)
eae5900fd8a4 Improve parser a bit, preparation to parsing whole program at once and compiling it into single C file
unc0rr
parents: 6414
diff changeset
   364
        , char '$' >> many hexDigit >>=  \h -> comments >> return (HexNumber h)
6412
4b9a59116535 - Split PascalParser into modules
unc0rr
parents: 6399
diff changeset
   365
        , char '-' >> expression >>= return . PrefixOp "-"
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
   366
        , try $ string "nil" >> return Null
6467
090269e528df - Improve parsing of prefix operators
unc0rr
parents: 6453
diff changeset
   367
        , try $ string "not" >> expression >>= return . PrefixOp "not"
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   368
        , 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
   369
        ] <?> "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
   370
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   371
    table = [ 
6290
c6245ed6cbc0 Some improvements to the parser
unc0rr
parents: 6277
diff changeset
   372
          [  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
   373
           , Infix (char '/' >> return (BinOp "/")) AssocLeft
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   374
           , Infix (try (string "div") >> return (BinOp "div")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   375
           , Infix (try (string "mod") >> return (BinOp "mod")) AssocLeft
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   376
           , Infix (try (string "in") >> return (BinOp "in")) AssocNone
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   377
          ]
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 (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
   379
           , Infix (char '-' >> return (BinOp "-")) AssocLeft
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   380
          ]
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   381
        , [  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
   382
           , Infix (try (string "<=") >> return (BinOp "<=")) AssocNone
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   383
           , Infix (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
   384
           , Infix (char '<' >> return (BinOp "<")) AssocNone
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   385
           , Infix (char '>' >> return (BinOp ">")) AssocNone
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   386
          ]
7043
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 6897
diff changeset
   387
        , [  Infix (try $ string "shl" >> return (BinOp "shl")) AssocNone
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 6897
diff changeset
   388
           , Infix (try $ string "shr" >> return (BinOp "shr")) AssocNone
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 6897
diff changeset
   389
          ]
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   390
        , [  Infix (try $ string "and" >> return (BinOp "and")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   391
           , Infix (try $ string "or" >> return (BinOp "or")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   392
           , Infix (try $ string "xor" >> return (BinOp "xor")) AssocLeft
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   393
          ]
7069
bcf9d8e64e92 pas2c stuff again
unc0rr
parents: 7067
diff changeset
   394
        , [
bcf9d8e64e92 pas2c stuff again
unc0rr
parents: 7067
diff changeset
   395
             Infix (char '=' >> return (BinOp "=")) AssocNone
bcf9d8e64e92 pas2c stuff again
unc0rr
parents: 7067
diff changeset
   396
          ]
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
        ]
7067
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
   398
    strOrChar [a] = CharCode . show . ord $ a
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
   399
    strOrChar a = StringLiteral a    
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   400
    
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. 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
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
   402
    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
   403
    comments
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   404
    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
   405
    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
   406
    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
   407
    
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   408
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
   409
    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
   410
        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
   411
        , 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
   412
        , whileCycle
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   413
        , 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
   414
        , switchCase
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   415
        , withBlock
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   416
        , forCycle
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   417
        , (try $ reference >>= \r -> string ":=" >> return r) >>= \r -> expression >>= return . Assignment r
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6891
diff changeset
   418
        , builtInFunction expression >>= \(n, e) -> return $ BuiltInFunctionCall e (SimpleReference (Identifier n BTUnknown))
6270
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   419
        , procCall
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   420
        , 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
   421
        ]
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. 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
    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
   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
    return o
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   425
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
   426
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
   427
    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
   428
    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
   429
    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
   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
    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
   432
    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
   433
    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
   434
    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
   435
    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
   436
        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
   437
        comments
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   438
        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
   439
        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
   440
        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
   441
    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
   442
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   443
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
   444
    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
   445
    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
   446
    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
   447
    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
   448
    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
   449
    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
   450
    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
   451
    return $ WhileCycle e o
4353
671d66ba3af6 Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff changeset
   452
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   453
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
   454
    try $ string "with" >> space
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   455
    comments
6387
3dcb839b5904 Less code
unc0rr
parents: 6386
diff changeset
   456
    rs <- (commaSep1 pas) reference
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   457
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   458
    string "do"
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
    o <- phrase
6387
3dcb839b5904 Less code
unc0rr
parents: 6386
diff changeset
   461
    return $ foldr WithBlock o rs
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   462
    
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   463
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
   464
    try $ string "repeat" >> space
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   465
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   466
    o <- many phrase
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   467
    string "until"
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
    e <- expression
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
    return $ RepeatCycle e o
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   472
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   473
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
   474
    try $ string "for" >> space
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   475
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   476
    i <- iD
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   477
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   478
    string ":="
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   479
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   480
    e1 <- expression
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   481
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   482
    choice [string "to", string "downto"]
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   483
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   484
    e2 <- expression
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   485
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   486
    string "do"
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   487
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   488
    p <- phrase
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   489
    comments
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   490
    return $ ForCycle i e1 e2 p
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   491
    
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
   492
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
   493
    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
   494
    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
   495
    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
   496
    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
   497
    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
   498
    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
   499
    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
   500
    o2 <- optionMaybe $ do
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   501
        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
   502
        comments
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   503
        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
   504
        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
   505
        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
   506
    string "end"
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   507
    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
   508
    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
   509
    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
   510
    aCase = do
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   511
        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
   512
        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
   513
        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
   514
        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
   515
        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
   516
        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
   517
        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
   518
    
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   519
procCall = do
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   520
    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
   521
    p <- option [] $ (parens pas) parameters
6450
14224c9b4594 - Improvement to the parser
unc0rr
parents: 6444
diff changeset
   522
    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
   523
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   524
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
   525
        
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. 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
functionBody = do
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   527
    tv <- typeVarDeclaration True
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   528
    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
   529
    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
   530
    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
   531
    comments
6399
a904c735979c Improve parser and converter
unc0rr
parents: 6397
diff changeset
   532
    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
   533
0a99f73dd8dd Improve pascal parser, now it is able to successfully parse uGame.pas (though it eats all comments). Many things are still missing. Well, it's just a matter of time to implement the rest. All basic work is already done anyway.
unc0rr
parents: 4353
diff changeset
   534
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
   535
    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
   536
        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
   537
            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
   538
            comments
6275
f1b4f37dba22 Many improvements to the parser
unc0rr
parents: 6272
diff changeset
   539
            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
   540
            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
   541
            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
   542
            return u
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   543
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   544
initExpression = buildExpressionParser table term <?> "initialization expression"
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   545
    where
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   546
    term = comments >> choice [
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   547
        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
   548
        , try $ brackets pas (commaSep pas $ initExpression) >>= return . InitSet
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   549
        , 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
   550
        , parens pas (sepEndBy recField (char ';' >> comments)) >>= return . InitRecord
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   551
        , try $ integer pas >>= \i -> notFollowedBy (char '.') >> (return . InitNumber . show) i
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   552
        , try $ float pas >>= return . InitFloat . show
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   553
        , try $ integer pas >>= return . InitNumber . show
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   554
        , stringLiteral pas >>= return . InitString
6444
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   555
        , char '#' >> many digit >>= \c -> comments >> return (InitChar c)
eddc1e9bcd81 - Help parser more
unc0rr
parents: 6443
diff changeset
   556
        , 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
   557
        , char '@' >> initExpression >>= \c -> comments >> return (InitAddress c)
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   558
        , 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
   559
        , itypeCast
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   560
        , iD >>= return . InitReference
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   561
        ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   562
        
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   563
    recField = do
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   564
        i <- iD
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   565
        spaces
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   566
        char ':'
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   567
        spaces
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   568
        e <- initExpression
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   569
        spaces
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   570
        return (i ,e)
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   571
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   572
    table = [ 
7066
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7043
diff changeset
   573
          [
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7043
diff changeset
   574
             Prefix (char '-' >> return (InitPrefixOp "-"))
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7043
diff changeset
   575
          ]
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7043
diff changeset
   576
        , [  Infix (char '*' >> return (InitBinOp "*")) AssocLeft
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   577
           , Infix (char '/' >> return (InitBinOp "/")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   578
           , Infix (try (string "div") >> return (InitBinOp "div")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   579
           , Infix (try (string "mod") >> return (InitBinOp "mod")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   580
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   581
        , [  Infix (char '+' >> return (InitBinOp "+")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   582
           , Infix (char '-' >> return (InitBinOp "-")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   583
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   584
        , [  Infix (try (string "<>") >> return (InitBinOp "<>")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   585
           , Infix (try (string "<=") >> return (InitBinOp "<=")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   586
           , Infix (try (string ">=") >> return (InitBinOp ">=")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   587
           , Infix (char '<' >> return (InitBinOp "<")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   588
           , Infix (char '>' >> return (InitBinOp ">")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   589
           , Infix (char '=' >> return (InitBinOp "=")) AssocNone
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   590
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   591
        , [  Infix (try $ string "and" >> return (InitBinOp "and")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   592
           , Infix (try $ string "or" >> return (InitBinOp "or")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   593
           , Infix (try $ string "xor" >> return (InitBinOp "xor")) AssocLeft
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   594
          ]
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6836
diff changeset
   595
        , [  Infix (try $ string "shl" >> return (InitBinOp "shl")) AssocNone
608c8b057c3b Improve rendering into C
unc0rr
parents: 6836
diff changeset
   596
           , Infix (try $ string "shr" >> return (InitBinOp "shr")) AssocNone
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   597
          ]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   598
        , [Prefix (try (string "not") >> return (InitPrefixOp "not"))]
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   599
        ]
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   600
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   601
    itypeCast = do
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   602
        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
   603
        i <- parens pas initExpression
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   604
        comments
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6512
diff changeset
   605
        return $ InitTypeCast (Identifier t BTUnknown) i
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6452
diff changeset
   606
        
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   607
builtInFunction e = do
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   608
    name <- choice $ map (\s -> try $ caseInsensitiveString s >>= \i -> notFollowedBy alphaNum >> return i) builtin
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   609
    spaces
6897
a9126661f613 Fix parsing of exit() call without parameters
unc0rr
parents: 6895
diff changeset
   610
    exprs <- option [] $ parens pas $ option [] $ commaSep1 pas $ e
6388
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   611
    spaces
14718b2685a3 Recognize some built-in functions
unc0rr
parents: 6387
diff changeset
   612
    return (name, exprs)
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   613
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   614
systemUnit = do
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   615
    string "system;"
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   616
    comments
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   617
    string "type"
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   618
    comments
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   619
    t <- typesDecl
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   620
    string "var"
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   621
    v <- varsDecl True
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6489
diff changeset
   622
    return $ System (t ++ v)