#include "HsVersions.h"
import Type ( Type )
-import HsTypes ( SyntaxName, PostTcType )
+import HsTypes ( SyntaxName )
import Outputable
import FastString
import Ratio ( Rational )
\begin{code}
data HsLit
- = HsChar Int -- Character
- | HsCharPrim Int -- Unboxed character
+ = HsChar Char -- Character
+ | HsCharPrim Char -- Unboxed character
| HsString FastString -- String
| HsStringPrim FastString -- Packed string
| HsInt Integer -- Genuinely an Int; arises from TcGenDeriv,
-- and from TRANSLATION
| HsIntPrim Integer -- Unboxed Int
- | HsInteger Integer -- Genuinely an integer; arises only from TRANSLATION
+ | HsInteger Integer Type -- Genuinely an integer; arises only from TRANSLATION
-- (overloaded literals are done with HsOverLit)
| HsRat Rational Type -- Genuinely a rational; arises only from TRANSLATION
-- (overloaded literals are done with HsOverLit)
(HsStringPrim x1) == (HsStringPrim x2) = x1==x2
(HsInt x1) == (HsInt x2) = x1==x2
(HsIntPrim x1) == (HsIntPrim x2) = x1==x2
- (HsInteger x1) == (HsInteger 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
| HsFractional Rational SyntaxName -- Frac-looking literals
-- The name is fromRational
+-- Comparison operations are needed when grouping literals
+-- for compiling pattern-matching (module MatchLit)
instance Eq HsOverLit where
(HsIntegral i1 _) == (HsIntegral i2 _) = i1 == i2
(HsFractional f1 _) == (HsFractional f2 _) = f1 == f2
+ l1 == l2 = False
instance Ord HsOverLit where
compare (HsIntegral i1 _) (HsIntegral i2 _) = i1 `compare` i2
ppr (HsString s) = pprHsString s
ppr (HsStringPrim s) = pprHsString s <> char '#'
ppr (HsInt i) = integer i
- ppr (HsInteger i) = integer i
+ ppr (HsInteger i _) = integer i
ppr (HsRat f _) = rational f
ppr (HsFloatPrim f) = rational f <> char '#'
ppr (HsDoublePrim d) = rational d <> text "##"