--- a/tools/PascalParser.hs Sat Nov 26 12:01:13 2011 -0500
+++ b/tools/PascalParser.hs Sat Nov 26 21:12:23 2011 +0300
@@ -28,6 +28,7 @@
data TypeVarDeclaration = TypeDeclaration Identifier TypeDecl
| VarDeclaration Bool ([Identifier], TypeDecl) (Maybe InitExpression)
| FunctionDeclaration Identifier TypeDecl [TypeVarDeclaration] (Maybe (TypesAndVars, Phrase))
+ | OperatorDeclaration String Identifier TypeDecl [TypeVarDeclaration] (Maybe (TypesAndVars, Phrase))
deriving Show
data TypeDecl = SimpleType Identifier
| RangeType Range
@@ -173,7 +174,7 @@
where
aConstDecl = do
comments
- i <- iD <?> "const declaration"
+ i <- iD
optional $ do
char ':'
comments
@@ -295,30 +296,56 @@
varSection,
constSection,
typeSection,
- funcDecl
+ funcDecl,
+ operatorDecl
]
where
varSection = do
try $ string "var"
comments
- v <- varsDecl1 True
+ v <- varsDecl1 True <?> "variable declaration"
comments
return v
constSection = do
try $ string "const"
comments
- c <- constsDecl
+ c <- constsDecl <?> "const declaration"
comments
return c
typeSection = do
try $ string "type"
comments
- t <- typesDecl
+ t <- typesDecl <?> "type declaration"
comments
return t
+ operatorDecl = do
+ try $ string "operator"
+ comments
+ i <- manyTill anyChar space
+ comments
+ vs <- parens pas $ varsDecl False
+ comments
+ rid <- iD
+ comments
+ char ':'
+ comments
+ ret <- typeDecl
+ comments
+ return ret
+ char ';'
+ comments
+ forward <- liftM isJust $ optionMaybe (try (string "forward;") >> comments)
+ many functionDecorator
+ b <- if isImpl && (not forward) then
+ liftM Just functionBody
+ else
+ return Nothing
+ return $ [OperatorDeclaration i rid ret vs b]
+
+
funcDecl = do
fp <- try (string "function") <|> try (string "procedure")
comments
@@ -342,11 +369,14 @@
else
return Nothing
return $ [FunctionDeclaration i ret vs b]
+
functionDecorator = choice [
try $ string "inline;"
, try $ string "cdecl;"
, try (string "external") >> comments >> iD >> optional (string "name" >> comments >> stringLiteral pas)>> string ";"
] >> comments
+
+
program = do
string "program"
comments