X-Git-Url: https://ruin.nu/git/?p=proglang.git;a=blobdiff_plain;f=Printsyntax.hs;h=287fbaefe878444e73a106d2d33887fed4c3856a;hp=e84a1d333e8c46d73773924fa4869e035a7d191e;hb=HEAD;hpb=9d0e3c89b286456549c68a816d0729f193498f6a

diff --git a/Printsyntax.hs b/Printsyntax.hs
index e84a1d3..287fbae 100644
--- a/Printsyntax.hs
+++ b/Printsyntax.hs
@@ -87,14 +87,27 @@ instance Print Bool where
    False  -> prPrec i 0 (concatD [doc (showString "false")])
 
 
+instance Print Type where
+  prt i e = case e of
+   TInt  -> prPrec i 0 (concatD [doc (showString "int")])
+   TBool  -> prPrec i 0 (concatD [doc (showString "bool")])
+
+
+instance Print Program where
+  prt i e = case e of
+   Program funcstms -> prPrec i 0 (concatD [prt 0 funcstms])
+
+
 instance Print Stm where
   prt i e = case e of
-   SDecl type' id exp -> prPrec i 0 (concatD [prt 0 type' , prt 0 id , doc (showString "=") , prt 0 exp , doc (showString ";")])
    SExp exp -> prPrec i 0 (concatD [prt 0 exp , doc (showString ";")])
    SBlock stms -> prPrec i 0 (concatD [doc (showString "{") , prt 0 stms , doc (showString "}")])
-   SIf exp stm0 stm -> prPrec i 0 (concatD [doc (showString "if") , doc (showString "(") , prt 0 exp , doc (showString ")") , prt 0 stm0 , doc (showString "else") , prt 0 stm])
+   SDecl type' id exp -> prPrec i 0 (concatD [prt 0 type' , prt 0 id , doc (showString "=") , prt 0 exp , doc (showString ";")])
+   SDeclD type' id -> prPrec i 0 (concatD [prt 0 type' , prt 0 id , doc (showString ";")])
    SWhile exp stm -> prPrec i 0 (concatD [doc (showString "while") , doc (showString "(") , prt 0 exp , doc (showString ")") , prt 0 stm])
+   SIf exp stm0 stm -> prPrec i 0 (concatD [doc (showString "if") , doc (showString "(") , prt 0 exp , doc (showString ")") , prt 0 stm0 , doc (showString "else") , prt 0 stm])
    SPrint exp -> prPrec i 0 (concatD [doc (showString "print") , prt 0 exp , doc (showString ";")])
+   SReturn exp -> prPrec i 0 (concatD [doc (showString "return") , prt 0 exp , doc (showString ";")])
    SNoop  -> prPrec i 0 (concatD [])
 
   prtList es = case es of
@@ -106,21 +119,45 @@ instance Print Exp where
    EAss id exp -> prPrec i 0 (concatD [prt 0 id , doc (showString "=") , prt 0 exp])
    EVar id -> prPrec i 3 (concatD [prt 0 id])
    EInt n -> prPrec i 3 (concatD [prt 0 n])
+   EBool bool -> prPrec i 3 (concatD [prt 0 bool])
    ENeg exp -> prPrec i 3 (concatD [doc (showString "-") , prt 3 exp])
    ENot exp -> prPrec i 3 (concatD [doc (showString "!") , prt 3 exp])
-   EBool bool -> prPrec i 3 (concatD [prt 0 bool])
    EReadI  -> prPrec i 3 (concatD [doc (showString "readInt")])
    EReadB  -> prPrec i 3 (concatD [doc (showString "readBool")])
-   ExpT type' exp -> prPrec i 0 (concatD [prt 0 type' , prt 0 exp])
-   EDefault  -> prPrec i 0 (concatD [])
+   EFunc id exps -> prPrec i 3 (concatD [prt 0 id , doc (showString "(") , prt 0 exps , doc (showString ")")])
    BiOpExp exp0 op exp -> prPrec i 0 (concatD [prt 0 exp0 , prt 0 op , prt 0 exp])
    EPost id op -> prPrec i 0 (concatD [prt 0 id , prt 1 op])
 
+  prtList es = case es of
+   [] -> (concatD [])
+   [x] -> (concatD [prt 0 x])
+   x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
 
-instance Print Stms where
+instance Print Decl where
   prt i e = case e of
-   Program stms -> prPrec i 0 (concatD [prt 0 stms])
+   Decl type' id -> prPrec i 0 (concatD [prt 0 type' , prt 0 id])
 
+  prtList es = case es of
+   [] -> (concatD [])
+   [x] -> (concatD [prt 0 x])
+   x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
+
+instance Print Func where
+  prt i e = case e of
+   Func type' id decls stms -> prPrec i 0 (concatD [prt 0 type' , prt 0 id , doc (showString "(") , prt 0 decls , doc (showString ")") , doc (showString "{") , prt 0 stms , doc (showString "}")])
+
+  prtList es = case es of
+   [] -> (concatD [])
+   x:xs -> (concatD [prt 0 x , prt 0 xs])
+
+instance Print FuncStm where
+  prt i e = case e of
+   S stm -> prPrec i 0 (concatD [prt 0 stm])
+   F func -> prPrec i 0 (concatD [prt 0 func])
+
+  prtList es = case es of
+   [] -> (concatD [])
+   x:xs -> (concatD [prt 0 x , prt 0 xs])
 
 instance Print Op where
   prt i e = case e of
@@ -136,11 +173,4 @@ instance Print Op where
    Div  -> prPrec i 2 (concatD [doc (showString "/")])
 
 
-instance Print Type where
-  prt i e = case e of
-   TInt  -> prPrec i 0 (concatD [doc (showString "int")])
-   TBool  -> prPrec i 0 (concatD [doc (showString "bool")])
-   NoType  -> prPrec i 0 (concatD [])
-
-