X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=sem.dcl;h=e981361a44e0f6f41e100c6788fccc497caacff2;hb=a8348a333a567e5a469d1e5f8ec6c3dafc051c91;hp=b34bbc35e8f98f60f5e71a6c73b40d461df60f09;hpb=a363f872ee96379d8b0b9b14cb6faec9d74e7e92;p=cc1516.git diff --git a/sem.dcl b/sem.dcl index b34bbc3..e981361 100644 --- a/sem.dcl +++ b/sem.dcl @@ -1,17 +1,21 @@ definition module sem +import qualified Data.Map as Map from Data.Either import :: Either -from AST import :: AST, :: Pos, :: Type +from AST import :: AST, :: Pos, :: Type, :: FieldSelector, :: Op2 from StdOverloaded import class toString :: SemError = ParseError Pos String | UnifyError Pos Type Type - | UnifyErrorStub Type Type + | FieldSelectorError Pos Type FieldSelector + | OperatorError Pos Op2 Type + | UndeclaredVariableError Pos String | Error String -:: SemOutput :== Either [SemError] AST - +:: Gamma +:: SemOutput :== Either [SemError] (AST, Gamma) instance toString SemError +instance toString Gamma sem :: AST -> SemOutput