summaryrefslogtreecommitdiff
path: root/src/runtime/haskell/PGF/Expr.hs
diff options
context:
space:
mode:
authorkrasimir <krasimir@chalmers.se>2010-01-27 09:39:14 +0000
committerkrasimir <krasimir@chalmers.se>2010-01-27 09:39:14 +0000
commit890d45579300f39d50a5a18a9f6feed8634ae8ba (patch)
tree056af80026eea5d67b68ef74f50ee5931566c822 /src/runtime/haskell/PGF/Expr.hs
parentb206aa3464bf8b766b61a31efb72d03c7dd3c1a9 (diff)
cleanup the code of the PGF interpreter and polish the binary serialization to match the preliminary specification
Diffstat (limited to 'src/runtime/haskell/PGF/Expr.hs')
-rw-r--r--src/runtime/haskell/PGF/Expr.hs8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/runtime/haskell/PGF/Expr.hs b/src/runtime/haskell/PGF/Expr.hs
index 2357026ab..674422217 100644
--- a/src/runtime/haskell/PGF/Expr.hs
+++ b/src/runtime/haskell/PGF/Expr.hs
@@ -31,7 +31,7 @@ import qualified Text.ParserCombinators.ReadP as RP
data Literal =
LStr String -- ^ string constant
- | LInt Integer -- ^ integer constant
+ | LInt Int -- ^ integer constant
| LFlt Double -- ^ floating point constant
deriving (Eq,Ord,Show)
@@ -116,11 +116,11 @@ unStr (ELit (LStr s)) = Just s
unStr _ = Nothing
-- | Constructs an expression from integer literal
-mkInt :: Integer -> Expr
+mkInt :: Int -> Expr
mkInt i = ELit (LInt i)
-- | Decomposes an expression into integer literal
-unInt :: Expr -> Maybe Integer
+unInt :: Expr -> Maybe Int
unInt (ELit (LInt i)) = Just i
unInt _ = Nothing
@@ -236,7 +236,7 @@ ppBind Explicit x = ppCId x
ppBind Implicit x = PP.braces (ppCId x)
ppLit (LStr s) = PP.text (show s)
-ppLit (LInt n) = PP.integer n
+ppLit (LInt n) = PP.int n
ppLit (LFlt d) = PP.double d
ppMeta :: MetaId -> PP.Doc