Merge branch 'master' into gen

[cc1516.git] / gen.icl

diff --git a/gen.icl b/gen.icl
index 269ef14..a37fedf 100644 (file)
--- a/gen.icl
+++ b/gen.icl
@@ -4,10 +4,9 @@ import StdMisc
 import StdList
 import StdOverloaded
 import StdString
-from StdFunc import id
+from StdFunc import id, const
 import StdTuple
 import StdEnum
-from StdEnv import const
 
 import Data.Func
 import qualified Data.Map as Map
@@ -25,8 +24,6 @@ from Text import class Text(concat), instance Text String
 import AST
 import RWST
 
-//Instruction is an instruction, with possible arguments and a possible comment
-//Or is a label
 TRUE :== -1
 FALSE :== 0
 :: Instr    = Instr String [Arg] String
@@ -45,23 +42,12 @@ FALSE :== 0
 labelStream :: [Label]
 labelStream = ["lbl_" +++ toString i\\i<-[1..]]
 
-gen :: AST -> String
+gen :: AST -> Either String String
 gen (AST fds) = case evalRWST prog "" ('Map'.newMap, labelStream) of
-            Left (Error e) = e
-            Right (_, p) = toString p
+            Left (Error e) = Left e
+            Right (_, p) = Right $ toString p
     where
         prog = tell [Instr "bra" [L "main"] ""] >>| mapM_ g fds
-//gen _ = prog
-//    where
-//        expr = (Op2Expr zero (Op1Expr zero UnMinus (IntExpr zero 4)) BiPlus (IntExpr zero 7))
-//        expr2 = (FunExpr zero "test" [IntExpr zero 4] [])
-//        stmt = (IfStmt (BoolExpr zero True) [] [])
-//        prog = case evalRWST (g stmt) 0 ('Map'.newMap, labelStream) of
-//            Left (Error e) = abort e
-//            Right (_, prog) = toString prog
-//gen _ = toString    [Lab "Test"
-//                    ,Instr "ldc" [Lit 1] "Eerste instructie"
-//                    ,Instr "ldc" [Lit 2] "Tweede instructie"]
 
 //Current issues:
 //All VarDecls are added as function, how to deal with assignments?