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make parser monadic

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This commit is contained in:
Ilya Rezvov
2018-04-15 18:54:39 -07:00
parent a5e16c6e7b
commit a1ae58b5f7
3 changed files with 7 additions and 6 deletions
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src/Language/Wasm/Script.hs
+2 -2
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@@ -144,7 +144,7 @@ runScript onAssertFail script = do
buildModule :: ModuleDef -> (Maybe Ident, Struct.Module)
buildModule (RawModDef ident m) = (ident, m)
buildModule (TextModDef ident textRep) =
let Right m = Parser.parseModule <$> Lexer.scanner (TLEncoding.encodeUtf8 textRep) in
let Right m = Lexer.scanner (TLEncoding.encodeUtf8 textRep) >>= Parser.parseModule in
(ident, m)
buildModule (BinaryModDef ident binaryRep) =
let Right m = Binary.decodeModuleLazy binaryRep in
@@ -199,7 +199,7 @@ runScript onAssertFail script = do
++ show (getFailureString reason)
in onAssertFail msg assert
runAssert st assert@(AssertMalformed (TextModDef _ textRep) failureString) =
case DeepSeq.force $ Parser.parseModule <$> Lexer.scanner (TLEncoding.encodeUtf8 textRep) of
case DeepSeq.force $ Lexer.scanner (TLEncoding.encodeUtf8 textRep) >>= Parser.parseModule of
Right _ -> onAssertFail ("Module parsing should fail with failure string " ++ show failureString) assert
Left _ -> return ()
runAssert st assert@(AssertMalformed (BinaryModDef ident binaryRep) failureString) =