X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=sem.icl;h=dc774cc0791ed11fd9557a716d996cbf332c8dda;hb=e0fd23079f1f63b83431afe78e9ec218d4609e9a;hp=2003038ad94c1ab32d3bd398abdc79fd62a65502;hpb=022b8166504765b2c84138fc83dfdfaa23fe5774;p=cc1516.git

diff --git a/sem.icl b/sem.icl
index 2003038..dc774cc 100644
--- a/sem.icl
+++ b/sem.icl
@@ -1,6 +1,42 @@
 implementation module sem
 
-import StdMisc
+import qualified Data.Map as Map
 
-semanticAnalysis :: AST -> Either Error AST
-semanticAnalysis a = 
+from Data.Func import $
+from StdFunc import o
+
+import Data.Either
+
+import StdString
+import StdList
+import StdEnum
+import RWST
+import GenEq
+
+from Text import class Text(concat), instance Text String
+
+import AST
+
+:: Gamma :== 'Map'.Map String Type
+:: Constraint :== String
+:: Infer a :== RWST [String] [Constraint] Gamma (Either SemError) a
+:: SemError
+	= ParseError Pos String 
+	| UnifyError Pos Type Type 
+    | FieldSelectorError Pos Type FieldSelector 
+	| OperatorError Pos Op2 Type
+    | UndeclaredVariableError Pos String
+    | ArgumentMisMatchError Pos String
+	| Error String
+
+variableStream :: [String]
+variableStream = map toString [1..]
+
+sem :: AST -> SemOutput
+sem (AST vd fd) = Right $ (AST vd fd, 'Map'.newMap)
+
+instance toString Gamma where
+	toString mp = concat [concat [k, ": ", toString v, "\n"]\\(k, v)<-'Map'.toList mp]
+
+instance toString SemError where
+	toString se = "SemError: "