tools/pas2c.hs
changeset 6467 090269e528df
parent 6455 d2b13364eddd
child 6474 42e9773eedfd
--- 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 "&"