- Improve parsing of prefix operators
- Improve C renderer
- pas2c now saves converted .c and .h files
--- a/hedgewars/uTextures.pas Mon Nov 28 23:14:11 2011 +0300
+++ b/hedgewars/uTextures.pas Tue Nov 29 17:42:42 2011 +0400
@@ -119,6 +119,8 @@
fromP4:= @(fromP4^[Surf^.pitch div 4])
end;
end;
+
+
function Surface2Tex(surf: PSDL_Surface; enableClamp: boolean): PTexture;
var tw, th, x, y: Longword;
tmpp: pointer;
--- a/tools/PascalParser.hs Mon Nov 28 23:14:11 2011 +0300
+++ b/tools/PascalParser.hs Tue Nov 29 17:42:42 2011 +0400
@@ -12,97 +12,7 @@
import Data.Maybe
import PascalBasics
-
-data PascalUnit =
- Program Identifier Implementation Phrase
- | Unit Identifier Interface Implementation (Maybe Initialize) (Maybe Finalize)
- | System
- deriving Show
-data Interface = Interface Uses TypesAndVars
- deriving Show
-data Implementation = Implementation Uses TypesAndVars
- deriving Show
-data Identifier = Identifier String
- deriving Show
-data TypesAndVars = TypesAndVars [TypeVarDeclaration]
- deriving Show
-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
- | Sequence [Identifier]
- | ArrayDecl (Maybe Range) TypeDecl
- | RecordType [TypeVarDeclaration] (Maybe [[TypeVarDeclaration]])
- | PointerTo TypeDecl
- | String Integer
- | Set TypeDecl
- | FunctionType TypeDecl [TypeVarDeclaration]
- | UnknownType
- deriving Show
-data Range = Range Identifier
- | RangeFromTo InitExpression InitExpression
- deriving Show
-data Initialize = Initialize String
- deriving Show
-data Finalize = Finalize String
- deriving Show
-data Uses = Uses [Identifier]
- deriving Show
-data Phrase = ProcCall Reference [Expression]
- | IfThenElse Expression Phrase (Maybe Phrase)
- | WhileCycle Expression Phrase
- | RepeatCycle Expression [Phrase]
- | ForCycle Identifier Expression Expression Phrase
- | WithBlock Reference Phrase
- | Phrases [Phrase]
- | SwitchCase Expression [([InitExpression], Phrase)] (Maybe [Phrase])
- | Assignment Reference Expression
- | NOP
- deriving Show
-data Expression = Expression String
- | BuiltInFunCall [Expression] Reference
- | PrefixOp String Expression
- | PostfixOp String Expression
- | BinOp String Expression Expression
- | StringLiteral String
- | CharCode String
- | HexCharCode String
- | NumberLiteral String
- | FloatLiteral String
- | HexNumber String
- | Reference Reference
- | SetExpression [Identifier]
- | Null
- deriving Show
-data Reference = ArrayElement [Expression] Reference
- | FunCall [Expression] Reference
- | TypeCast Identifier Expression
- | SimpleReference Identifier
- | Dereference Reference
- | RecordField Reference Reference
- | Address Reference
- | RefExpression Expression
- deriving Show
-data InitExpression = InitBinOp String InitExpression InitExpression
- | InitPrefixOp String InitExpression
- | InitReference Identifier
- | InitArray [InitExpression]
- | InitRecord [(Identifier, InitExpression)]
- | InitFloat String
- | InitNumber String
- | InitHexNumber String
- | InitString String
- | InitChar String
- | BuiltInFunction String [InitExpression]
- | InitSet [InitExpression]
- | InitAddress InitExpression
- | InitNull
- | InitRange Range
- | InitTypeCast Identifier InitExpression
- deriving Show
+import PascalUnitSyntaxTree
knownTypes = ["shortstring", "char", "byte"]
@@ -145,7 +55,7 @@
parens pas (option [] parameters) >>= return . FunCall
, char '^' >> return Dereference
, (brackets pas) (commaSep1 pas $ expression) >>= return . ArrayElement
- , (char '.' >> notFollowedBy (char '.')) >> liftM RecordField reference
+ , (char '.' >> notFollowedBy (char '.')) >> liftM (flip RecordField) reference
]
typeCast = do
@@ -450,6 +360,7 @@
, char '$' >> many hexDigit >>= \h -> comments >> return (HexNumber h)
, char '-' >> expression >>= return . PrefixOp "-"
, try $ string "nil" >> return Null
+ , try $ string "not" >> expression >>= return . PrefixOp "not"
, reference >>= return . Reference
] <?> "simple expression"
@@ -463,7 +374,6 @@
, [ Infix (char '+' >> return (BinOp "+")) AssocLeft
, Infix (char '-' >> return (BinOp "-")) AssocLeft
]
- , [Prefix (try (string "not") >> return (PrefixOp "not"))]
, [ Infix (try (string "<>") >> return (BinOp "<>")) AssocNone
, Infix (try (string "<=") >> return (BinOp "<=")) AssocNone
, Infix (try (string ">=") >> return (BinOp ">=")) AssocNone
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/PascalUnitSyntaxTree.hs Tue Nov 29 17:42:42 2011 +0400
@@ -0,0 +1,94 @@
+module PascalUnitSyntaxTree where
+
+import Data.Traversable
+
+data PascalUnit =
+ Program Identifier Implementation Phrase
+ | Unit Identifier Interface Implementation (Maybe Initialize) (Maybe Finalize)
+ | System
+ deriving Show
+data Interface = Interface Uses TypesAndVars
+ deriving Show
+data Implementation = Implementation Uses TypesAndVars
+ deriving Show
+data Identifier = Identifier String
+ deriving Show
+data TypesAndVars = TypesAndVars [TypeVarDeclaration]
+ deriving Show
+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
+ | Sequence [Identifier]
+ | ArrayDecl (Maybe Range) TypeDecl
+ | RecordType [TypeVarDeclaration] (Maybe [[TypeVarDeclaration]])
+ | PointerTo TypeDecl
+ | String Integer
+ | Set TypeDecl
+ | FunctionType TypeDecl [TypeVarDeclaration]
+ | UnknownType
+ deriving Show
+data Range = Range Identifier
+ | RangeFromTo InitExpression InitExpression
+ deriving Show
+data Initialize = Initialize String
+ deriving Show
+data Finalize = Finalize String
+ deriving Show
+data Uses = Uses [Identifier]
+ deriving Show
+data Phrase = ProcCall Reference [Expression]
+ | IfThenElse Expression Phrase (Maybe Phrase)
+ | WhileCycle Expression Phrase
+ | RepeatCycle Expression [Phrase]
+ | ForCycle Identifier Expression Expression Phrase
+ | WithBlock Reference Phrase
+ | Phrases [Phrase]
+ | SwitchCase Expression [([InitExpression], Phrase)] (Maybe [Phrase])
+ | Assignment Reference Expression
+ | NOP
+ deriving Show
+data Expression = Expression String
+ | BuiltInFunCall [Expression] Reference
+ | PrefixOp String Expression
+ | PostfixOp String Expression
+ | BinOp String Expression Expression
+ | StringLiteral String
+ | CharCode String
+ | HexCharCode String
+ | NumberLiteral String
+ | FloatLiteral String
+ | HexNumber String
+ | Reference Reference
+ | SetExpression [Identifier]
+ | Null
+ deriving Show
+data Reference = ArrayElement [Expression] Reference
+ | FunCall [Expression] Reference
+ | TypeCast Identifier Expression
+ | SimpleReference Identifier
+ | Dereference Reference
+ | RecordField Reference Reference
+ | Address Reference
+ | RefExpression Expression
+ deriving Show
+data InitExpression = InitBinOp String InitExpression InitExpression
+ | InitPrefixOp String InitExpression
+ | InitReference Identifier
+ | InitArray [InitExpression]
+ | InitRecord [(Identifier, InitExpression)]
+ | InitFloat String
+ | InitNumber String
+ | InitHexNumber String
+ | InitString String
+ | InitChar String
+ | BuiltInFunction String [InitExpression]
+ | InitSet [InitExpression]
+ | InitAddress InitExpression
+ | InitNull
+ | InitRange Range
+ | InitTypeCast Identifier InitExpression
+ deriving Show
--- a/tools/pas2c.hs Mon Nov 28 23:14:11 2011 +0300
+++ b/tools/pas2c.hs Tue Nov 29 17:42:42 2011 +0400
@@ -1,6 +1,5 @@
module Pas2C where
-import PascalParser
import Text.PrettyPrint.HughesPJ
import Data.Maybe
import Data.Char
@@ -14,12 +13,14 @@
import System.IO.Error
import qualified Data.Map as Map
+import PascalParser
+import PascalUnitSyntaxTree
pas2C :: String -> IO ()
pas2C fn = do
setCurrentDirectory "../hedgewars/"
s <- flip execStateT initState $ f fn
- writeFile "dump" $ show s
+ mapM_ toCFiles (Map.toList s)
where
printLn = liftIO . hPutStrLn stderr
print = liftIO . hPutStr stderr
@@ -49,15 +50,21 @@
modify (Map.insert fileName a)
mapM_ f (usesFiles a)
-
-usesFiles :: PascalUnit -> [String]
+toCFiles :: (String, PascalUnit) -> IO ()
+toCFiles (_, System) = return ()
+toCFiles (fn, p@(Program {})) = writeFile (fn ++ ".c") $ (render . pascal2C) p
+toCFiles (fn, (Unit _ interface implementation _ _)) = do
+ writeFile (fn ++ ".h") $ (render . interface2C) interface
+ writeFile (fn ++ ".c") $ (render . implementation2C) implementation
+
+usesFiles :: PascalUnit -> [String]
usesFiles (Program _ (Implementation uses _) _) = uses2List uses
usesFiles (Unit _ (Interface uses1 _) (Implementation uses2 _) _ _) = uses2List uses1 ++ uses2List uses2
pascal2C :: PascalUnit -> Doc
-pascal2C (Unit unitName interface implementation init fin) =
+pascal2C (Unit _ interface implementation init fin) =
interface2C interface
$+$
implementation2C implementation
@@ -65,6 +72,8 @@
implementation2C implementation
$+$
tvar2C (FunctionDeclaration (Identifier "main") (SimpleType $ Identifier "int") [] (Just (TypesAndVars [], mainFunction)))
+
+
interface2C :: Interface -> Doc
interface2C (Interface uses tvars) = uses2C uses $+$ typesAndVars2C tvars
@@ -83,9 +92,9 @@
tvar2C :: TypeVarDeclaration -> Doc
tvar2C (FunctionDeclaration (Identifier name) returnType params Nothing) =
- type2C returnType <+> text (name ++ "();")
+ type2C returnType <+> text name <> parens (hcat $ map tvar2C params) <> text ";"
tvar2C (FunctionDeclaration (Identifier name) returnType params (Just (tvars, phrase))) =
- type2C returnType <+> text (name ++ "()")
+ type2C returnType <+> text name <> parens (hcat $ map tvar2C params)
$+$
text "{"
$+$ nest 4 (
@@ -112,6 +121,8 @@
where
initExpr Nothing = empty
initExpr (Just e) = text "=" <+> initExpr2C e
+tvar2C (OperatorDeclaration op _ ret params body) =
+ tvar2C (FunctionDeclaration (Identifier "<op>") ret params body)
initExpr2C :: InitExpression -> Doc
initExpr2C (InitBinOp op expr1 expr2) = parens $ (initExpr2C expr1) <+> op2C op <+> (initExpr2C expr2)
@@ -133,10 +144,12 @@
type2C (RangeType r) = text "<<range type>>"
type2C (Sequence ids) = text "<<sequence type>>"
type2C (ArrayDecl r t) = text "<<array type>>"
-
+type2C (Set t) = text "<<set>>"
+type2C (FunctionType returnType params) = text "<<function>>"
phrase2C :: Phrase -> Doc
phrase2C (Phrases p) = text "{" $+$ (nest 4 . vcat . map phrase2C $ p) $+$ text "}"
+phrase2C (ProcCall f@(FunCall {}) []) = ref2C f <> semi
phrase2C (ProcCall ref params) = ref2C ref <> parens (hsep . punctuate (char ',') . map expr2C $ params) <> semi
phrase2C (IfThenElse (expr) phrase1 mphrase2) = text "if" <> parens (expr2C expr) $+$ (phrase2C . wrapPhrase) phrase1 $+$ elsePart
where
@@ -154,6 +167,7 @@
$$
phrase2C (wrapPhrase p)
phrase2C (RepeatCycle e p) = text "do" <+> phrase2C (Phrases p) <+> text "while" <> parens (text "!" <> parens (expr2C e))
+phrase2C NOP = text ";"
wrapPhrase p@(Phrases _) = p
@@ -164,15 +178,14 @@
expr2C (Expression s) = text s
expr2C (BinOp op expr1 expr2) = parens $ (expr2C expr1) <+> op2C op <+> (expr2C expr2)
expr2C (NumberLiteral s) = text s
+expr2C (FloatLiteral s) = text s
expr2C (HexNumber s) = text "0x" <> (text . map toLower $ s)
expr2C (StringLiteral s) = doubleQuotes $ text s
expr2C (Reference ref) = ref2C ref
expr2C (PrefixOp op expr) = op2C op <+> expr2C expr
- {-
- | PostfixOp String Expression
- | CharCode String
- -}
-expr2C _ = empty
+expr2C Null = text "NULL"
+expr2C (BuiltInFunCall params ref) = ref2C ref <> parens (hsep . punctuate (char ',') . map expr2C $ params)
+expr2C _ = text "<<expression>>"
ref2C :: Reference -> Doc
@@ -182,8 +195,9 @@
ref2C (RecordField ref1 ref2) = ref2C ref1 <> text "." <> ref2C ref2
ref2C (Dereference ref) = parens $ text "*" <> ref2C ref
ref2C (FunCall params ref) = ref2C ref <> parens (hsep . punctuate (char ',') . map expr2C $ params)
-ref2C (Address ref) = text "&" <> ref2C ref
-
+ref2C (Address ref) = text "&" <> parens (ref2C ref)
+ref2C (TypeCast (Identifier t) expr) = parens (text t) <> expr2C expr
+ref2C (RefExpression expr) = expr2C expr
op2C "or" = text "|"
op2C "and" = text "&"