author | nemo |
Sun, 21 Nov 2010 12:11:50 -0500 | |
changeset 4405 | ed78465973f6 |
parent 4353 | 671d66ba3af6 |
child 6270 | 0a99f73dd8dd |
permissions | -rw-r--r-- |
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 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
3 |
import Text.ParserCombinators.Parsec |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
4 |
import Control.Monad |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
5 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
6 |
data PascalUnit = |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
7 |
Program Identificator Implementation FunctionBody |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
8 |
| Unit Identificator Interface Implementation (Maybe Initialize) (Maybe Finalize) |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
9 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
10 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
11 |
data Interface = Interface Uses TypesAndVars |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
12 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
13 |
data Implementation = Implementation Uses TypesAndVars Functions |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
14 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
15 |
data Functions = Functions [Function] |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
16 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
17 |
data Function = Function String |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
18 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
19 |
data Identificator = Identificator String |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
20 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
21 |
data FunctionBody = FunctionBody String |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
22 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
23 |
data TypesAndVars = TypesAndVars String |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
24 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
25 |
data Initialize = Initialize Functions |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
26 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
27 |
data Finalize = Finalize Functions |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
28 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
29 |
data Uses = Uses [Identificator] |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
30 |
deriving Show |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
31 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
32 |
parsePascalUnit :: String -> Either ParseError PascalUnit |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
33 |
parsePascalUnit = parse pascalUnit "unit" |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
34 |
where |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
35 |
comments = skipMany (comment >> spaces) |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
36 |
identificator = do |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
37 |
spaces |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
38 |
l <- letter <|> oneOf "_" |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
39 |
ls <- many (alphaNum <|> oneOf "_") |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
40 |
spaces |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
41 |
return $ Identificator (l:ls) |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
42 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
43 |
pascalUnit = do |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
44 |
spaces |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
45 |
comments |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
46 |
u <- choice [program, unit] |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
47 |
comments |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
48 |
spaces |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
49 |
return u |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
50 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
51 |
comment = choice [ |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
52 |
char '{' >> manyTill anyChar (try $ char '}') |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
53 |
, string "(*" >> manyTill anyChar (try $ string "*)") |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
54 |
, string "//" >> manyTill anyChar (try newline) |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
55 |
] |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
56 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
57 |
unit = do |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
58 |
name <- unitName |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
59 |
spaces |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
60 |
comments |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
61 |
int <- string "interface" >> interface |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
62 |
manyTill anyChar (try $ string "implementation") |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
63 |
spaces |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
64 |
comments |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
65 |
impl <- implementation |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
66 |
return $ Unit name int impl Nothing Nothing |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
67 |
where |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
68 |
unitName = between (string "unit") (char ';') identificator |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
69 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
70 |
interface = do |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
71 |
spaces |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
72 |
comments |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
73 |
u <- uses |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
74 |
return $ Interface u (TypesAndVars "") |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
75 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
76 |
program = do |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
77 |
name <- programName |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
78 |
spaces |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
79 |
comments |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
80 |
impl <- implementation |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
81 |
return $ Program name impl (FunctionBody "") |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
82 |
where |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
83 |
programName = between (string "program") (char ';') identificator |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
84 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
85 |
implementation = do |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
86 |
u <- uses |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
87 |
manyTill anyChar (try $ string "end.") |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
88 |
return $ Implementation u (TypesAndVars "") (Functions []) |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
89 |
|
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
90 |
uses = liftM Uses (option [] u) |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
91 |
where |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
92 |
u = do |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
93 |
string "uses" |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
94 |
spaces |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
95 |
u <- (identificator >>= \i -> spaces >> return i) `sepBy1` (char ',' >> spaces) |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
96 |
char ';' |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
97 |
spaces |
671d66ba3af6
Dumb parser of pascal, and a program which lists unit dependencies
unC0Rr
parents:
diff
changeset
|
98 |
return u |