blob: 09af3e561855d606ae5c065abe621a96fceffdd2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
-- This is a version of tc095.hs, which makes the compiler
-- loop (with -O) because of the recursive data-type bug,
-- unless you have the NOINLINE (which Happy does,
-- as it happens).
-- Keywords: diverge, contravariant, fixpoint
module ShouldSucceed where
happyParse = happyFail 7 7 (error "reading EOF!") (HappyState happyFail) [] [] []
data HappyState b c = HappyState
(Int -> -- token number
Int -> -- token number (yes, again)
b -> -- token semantic value
HappyState b c -> -- current state
[HappyState b c] -> -- state stack
c)
{-# NOINLINE happyFail #-}
happyFail _ i tk st@(HappyState action) sts stk = action (-1) (-1) tk st sts ( stk)
|
