X-Git-Url: https://ruin.nu/git/?p=proglang.git;a=blobdiff_plain;f=Compile.hs;fp=Compile.hs;h=f2de7ecdac8228f805218815320e1e2fb5a3ab2f;hp=2252fc539064b6666fead76092317d1a16f31593;hb=cdcd3b92ee3145e646634d428b02118238d47f33;hpb=4ab526ea4f2ad39b6797adbc9df0fd26ac571456 diff --git a/Compile.hs b/Compile.hs index 2252fc5..f2de7ec 100644 --- a/Compile.hs +++ b/Compile.hs @@ -3,12 +3,14 @@ module Compile (compile,compileExp, compileStm) where import Abssyntax import Prelude hiding (lookup) -cHeader = "#include \nint read(){\nint n;\nscanf(\"%d\",&n);\nreturn n;\n}\nint main(void){\n" +cHeader = "#include \nint read(){\nint n;\nscanf(\"%d\",&n);\nreturn n;\n}\n" -cFooter = "return 0;}" +cMiddle = "\nint main(void){\n" -compile :: [Stm] -> String -compile s = cHeader++concat (map compileStm s)++cFooter +cFooter = "return 0;}\n" + +compile :: [Func] -> [Stm] -> String +compile f s = cHeader++concat (map compileFuncDecl f)++concat (map compileFunc f)++cMiddle++concat (map compileStm s)++cFooter compileExp :: Exp -> String compileExp (EBool True) = "1"; @@ -23,6 +25,7 @@ compileExp (EPost (Ident i) Plus) = i++"++" compileExp (EPost (Ident i) Minus) = i++"--" compileExp EReadI = "read()" compileExp EReadB = "read()" +compileExp (EFunc (Ident i) as) = i++"("++(foldl1 (\a b -> a++","++b) (map compileExp as))++")" op :: Op -> String op Eq = "==" @@ -48,3 +51,10 @@ compileStm (SDeclD t i) = compileStm (SDecl t i $ case t of TBool -> EBool False ) compileStm (SDecl t (Ident i) e) = "int "++i++"="++compileExp e++";\n" +compileStm (SReturn e) = "return "++compileExp e++";" + +compileFunc :: Func -> String +compileFunc (Func _ (Ident i) d ss) = "\nint "++i++"("++(foldl1 (\a b -> a++","++b) (map (\(Decl _ (Ident i)) -> "int "++i) d))++"){\n"++concat (map compileStm ss)++"\n}\n" + +compileFuncDecl :: Func -> String +compileFuncDecl (Func _ (Ident i) d ss) = "\nint "++i++"("++(foldl1 (\a b -> a++","++b) (map (\(Decl _ (Ident i)) -> "int "++i) d))++");\n"