diff options
Diffstat (limited to 'src/runtime/haskell-bind/PGF2.hsc')
| -rw-r--r-- | src/runtime/haskell-bind/PGF2.hsc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/runtime/haskell-bind/PGF2.hsc b/src/runtime/haskell-bind/PGF2.hsc index f2f1b4113..4990a1926 100644 --- a/src/runtime/haskell-bind/PGF2.hsc +++ b/src/runtime/haskell-bind/PGF2.hsc @@ -39,7 +39,7 @@ module PGF2 (-- * PGF mkFloat,unFloat, mkMeta,unMeta, mkCId, - exprHash, + exprHash, exprSize, treeProbability, -- ** Types @@ -331,7 +331,13 @@ exprHash h (Expr c_expr touch1) = touch1 return (fromIntegral h) - +exprSize :: Expr -> Int32 +exprSize (Expr c_expr touch1) = + unsafePerformIO $ do + size <- pgf_expr_size c_expr + touch1 + return (fromIntegral size) + ----------------------------------------------------------------------------- -- Graphviz |