diff -r f1b4f37dba22 -r 627b5752733a tools/pas2c.hs --- a/tools/pas2c.hs Fri Nov 04 14:10:27 2011 +0300 +++ b/tools/pas2c.hs Sat Nov 05 09:37:17 2011 +0300 @@ -3,6 +3,7 @@ import PascalParser import Text.PrettyPrint.HughesPJ import Data.Maybe +import Data.Char pascal2C :: PascalUnit -> Doc @@ -36,7 +37,7 @@ where elsePart | isNothing mphrase2 = empty | otherwise = text "else" $$ (braces . nest 4 . phrase2C) (fromJust mphrase2) -phrase2C (Assignment (Identifier name) expr) = text name <> text " = " <> expr2C expr <> semi +phrase2C (Assignment ref expr) = ref2C ref <> text " = " <> expr2C expr <> semi phrase2C (WhileCycle expr phrase) = text "while" <> parens (expr2C expr) $$ nest 4 (phrase2C phrase) phrase2C (SwitchCase expr cases mphrase) = text "switch" <> parens (expr2C expr) <> text "of" $$ (nest 4 . vcat . map case2C) cases where @@ -50,14 +51,26 @@ -} phrase2C _ = empty +ref2C :: Reference -> Doc +ref2C (ArrayElement (Identifier name) expr) = text name <> brackets (expr2C expr) +ref2C (SimpleReference (Identifier name)) = text name +ref2C (RecordField ref1 ref2) = ref2C ref1 <> text "." <> ref2C ref2 +ref2C (Dereference ref) = parens $ text "*" <> ref2C ref expr2C :: Expression -> Doc expr2C (Expression s) = text s -expr2C (FunCall (Identifier name) params) = text name <> parens (hsep . punctuate (char ',') . map expr2C $ params) +expr2C (FunCall ref params) = ref2C ref <> parens (hsep . punctuate (char ',') . map expr2C $ params) expr2C (BinOp op expr1 expr2) = (expr2C expr1) <+> op2C op <+> (expr2C expr2) -{- | FunCall Identifier [Expression] +expr2C (NumberLiteral s) = text s +expr2C (HexNumber s) = text "0x" <> (text . map toLower $ s) +expr2C (StringLiteral s) = doubleQuotes $ text s +expr2C (Address ref) = text "&" <> ref2C ref +expr2C (Reference ref) = ref2C ref + +{- | PrefixOp String Expression - | BinOp String Expression Expression + | PostfixOp String Expression + | CharCode String -} expr2C _ = empty @@ -66,6 +79,7 @@ op2C "div" = text "/" op2C "mod" = text "%" op2C "<>" = text "!=" +op2C "=" = text "==" op2C a = text a maybeVoid "" = "void"