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authorKrasimir Angelov <kr.angelov@gmail.com>2017-08-30 18:11:59 +0200
committerKrasimir Angelov <kr.angelov@gmail.com>2017-08-30 18:11:59 +0200
commitcd53269f96873f228e196cb6d22d101c5e4f50ed (patch)
tree8998df85bf55b8a228ff95f1b2c3febef6505e8a /src/runtime/haskell-bind
parentfd56b4b5f3d08cabb807f2ea5f397da38cc26a0a (diff)
bugfix for hasLinearization in the Haskell binding
Diffstat (limited to 'src/runtime/haskell-bind')
-rw-r--r--src/runtime/haskell-bind/PGF2.hsc5
-rw-r--r--src/runtime/haskell-bind/PGF2/FFI.hs2
2 files changed, 4 insertions, 3 deletions
diff --git a/src/runtime/haskell-bind/PGF2.hsc b/src/runtime/haskell-bind/PGF2.hsc
index a23982465..93158213f 100644
--- a/src/runtime/haskell-bind/PGF2.hsc
+++ b/src/runtime/haskell-bind/PGF2.hsc
@@ -580,8 +580,9 @@ parseWithOracle lang cat sent (predict,complete,literal) =
-- | Returns True if there is a linearization defined for that function in that language
hasLinearization :: Concr -> Fun -> Bool
hasLinearization lang id = unsafePerformIO $
- withGuPool $ \pl ->
- newUtf8CString id pl >>= pgf_has_linearization (concr lang)
+ withGuPool $ \pl -> do
+ res <- newUtf8CString id pl >>= pgf_has_linearization (concr lang)
+ return (res /= 0)
-- | Linearizes an expression as a string in the language
linearize :: Concr -> Expr -> String
diff --git a/src/runtime/haskell-bind/PGF2/FFI.hs b/src/runtime/haskell-bind/PGF2/FFI.hs
index d01084d62..7379aa723 100644
--- a/src/runtime/haskell-bind/PGF2/FFI.hs
+++ b/src/runtime/haskell-bind/PGF2/FFI.hs
@@ -192,7 +192,7 @@ foreign import ccall "pgf/pgf.h pgf_print_name"
pgf_print_name :: Ptr PgfConcr -> CString -> IO CString
foreign import ccall "pgf/pgf.h pgf_has_linearization"
- pgf_has_linearization :: Ptr PgfConcr -> CString -> IO Bool
+ pgf_has_linearization :: Ptr PgfConcr -> CString -> IO CInt
foreign import ccall "pgf/pgf.h pgf_linearize"
pgf_linearize :: Ptr PgfConcr -> PgfExpr -> Ptr GuOut -> Ptr GuExn -> IO ()