summaryrefslogtreecommitdiff
path: root/compiler/main/Constants.hs
blob: cf3458507b563a9af5c4b5cc888dd2608104ed52 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
{-
(c) The GRASP/AQUA Project, Glasgow University, 1992-1998

\section[Constants]{Info about this compilation}
-}

module Constants (module Constants) where

import GhcPrelude

import Config

hiVersion :: Integer
hiVersion = read (cProjectVersionInt ++ cProjectPatchLevel) :: Integer

-- All pretty arbitrary:

mAX_TUPLE_SIZE :: Int
mAX_TUPLE_SIZE = 62 -- Should really match the number
                    -- of decls in Data.Tuple

mAX_CTUPLE_SIZE :: Int   -- Constraint tuples
mAX_CTUPLE_SIZE = 62     -- Should match the number of decls in GHC.Classes

mAX_SUM_SIZE :: Int
mAX_SUM_SIZE = 62

-- | Default maximum depth for both class instance search and type family
-- reduction. See also #5395.
mAX_REDUCTION_DEPTH :: Int
mAX_REDUCTION_DEPTH = 200

-- | Default maximum constraint-solver iterations
-- Typically there should be very few
mAX_SOLVER_ITERATIONS :: Int
mAX_SOLVER_ITERATIONS = 4

wORD64_SIZE :: Int
wORD64_SIZE = 8

-- Size of float in bytes.
fLOAT_SIZE :: Int
fLOAT_SIZE = 4

tARGET_MAX_CHAR :: Int
tARGET_MAX_CHAR = 0x10ffff