#include "HsVersions.h"
-import Type ( Type )
+import Type ( Type )
+import HsTypes ( PostTcType )
import Outputable
import Ratio ( Rational )
\end{code}
| HsRat Rational Type -- Genuinely a rational; arises only from TRANSLATION
| HsFloatPrim Rational -- Unboxed Float
| HsDoublePrim Rational -- Unboxed Double
- | HsLitLit FAST_STRING Type -- to pass ``literal literals'' through to C
- -- also: "overloaded" type; but
- -- must resolve to boxed-primitive!
+ | HsLitLit FAST_STRING PostTcType -- to pass ``literal literals'' through to C
+ -- also: "overloaded" type; but
+ -- must resolve to boxed-primitive!
-- The Type in HsLitLit is needed when desuaring;
-- before the typechecker it's just an error value
- deriving( Eq )
-data HsOverLit name -- An overloaded literal
- = HsIntegral Integer name -- Integer-looking literals;
- -- The names is "fromInteger"
- | HsFractional Rational name -- Frac-looking literals
- -- The name is "fromRational"
+instance Eq HsLit where
+ (HsChar x1) == (HsChar x2) = x1==x2
+ (HsCharPrim x1) == (HsCharPrim x2) = x1==x2
+ (HsString x1) == (HsString x2) = x1==x2
+ (HsStringPrim x1) == (HsStringPrim x2) = x1==x2
+ (HsInt x1) == (HsInt x2) = x1==x2
+ (HsIntPrim x1) == (HsIntPrim x2) = x1==x2
+ (HsInteger x1) == (HsInteger x2) = x1==x2
+ (HsRat x1 _) == (HsRat x2 _) = x1==x2
+ (HsFloatPrim x1) == (HsFloatPrim x2) = x1==x2
+ (HsDoublePrim x1) == (HsDoublePrim x2) = x1==x2
+ (HsLitLit x1 _) == (HsLitLit x2 _) = x1==x2
+ lit1 == lit2 = False
-instance Eq (HsOverLit name) where
- (HsIntegral i1 _) == (HsIntegral i2 _) = i1 == i2
- (HsFractional f1 _) == (HsFractional f2 _) = f1 == f2
+data HsOverLit -- An overloaded literal
+ = HsIntegral Integer -- Integer-looking literals;
+ | HsFractional Rational -- Frac-looking literals
-instance Ord (HsOverLit name) where
- compare (HsIntegral i1 _) (HsIntegral i2 _) = i1 `compare` i2
- compare (HsIntegral _ _) (HsFractional _ _) = LT
- compare (HsFractional f1 _) (HsFractional f2 _) = f1 `compare` f2
- compare (HsFractional f1 _) (HsIntegral _ _) = GT
+instance Eq HsOverLit where
+ (HsIntegral i1) == (HsIntegral i2) = i1 == i2
+ (HsFractional f1) == (HsFractional f2) = f1 == f2
+
+instance Ord HsOverLit where
+ compare (HsIntegral i1) (HsIntegral i2) = i1 `compare` i2
+ compare (HsIntegral _) (HsFractional _) = LT
+ compare (HsFractional f1) (HsFractional f2) = f1 `compare` f2
+ compare (HsFractional f1) (HsIntegral _) = GT
\end{code}
\begin{code}
ppr (HsIntPrim i) = integer i <> char '#'
ppr (HsLitLit s _) = hcat [text "``", ptext s, text "''"]
-instance Outputable (HsOverLit name) where
- ppr (HsIntegral i _) = integer i
- ppr (HsFractional f _) = rational f
+instance Outputable HsOverLit where
+ ppr (HsIntegral i) = integer i
+ ppr (HsFractional f) = rational f
\end{code}