fix table import initialization

src/Language/Wasm/Interpreter.hs

@@ -467,8 +467,9 @@ calcInstance (Store fs ts ms gs es ds) imps mod = do
             tableAddr <- case idx of
                 ExternTable tableAddr -> return tableAddr
                 _ -> throwError "incompatible import type"
-            let TableInstance { t = TableType lim et' } = ts ! tableAddr
+            let TableInstance { t = TableType (Limit _ max) et', items } = ts ! tableAddr
-            if limitMatch lim limit && et == et'
+            len <- MVector.length <$> (liftIO $ readIORef items)
+            if limitMatch (Limit (fromIntegral len) max) limit && et == et'
             then return idx
             else throwError "incompatible import type"
     

tests/Test.hs

@@ -19,7 +19,7 @@ main = do
   files <-
     filter (List.isSuffixOf ".wast")
       <$> Directory.listDirectory "tests/spec"
-  -- let files = ["simd_i16x8_q15mulr_sat_s.wast"]
+  -- let files = ["table_grow.wast"]
   scriptTestCases <- (`mapM` files) $ \file -> do
     test <- LBS.readFile ("tests/spec/" ++ file)
     return $ testCase file $ do

wasm.cabal

@@ -56,7 +56,7 @@ library
     , happy:happy >=1.9.4 && < 1.21
   build-depends:
       array >=0.5 && < 0.6
-    , base >=4.6 && < 5
+    , base >=4.11 && < 5
     , bytestring >=0.10 && < 0.12
     , cereal >=0.5 && < 0.6
     , containers >=0.5 && < 0.7