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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
-- | This is the syntax for bkp files which are parsed in 'ghc --backpack'
-- mode. This syntax is used purely for testing purposes.
module BkpSyn (
-- * Backpack abstract syntax
HsUnitId(..),
LHsUnitId,
HsModuleSubst,
LHsModuleSubst,
HsModuleId(..),
LHsModuleId,
HsComponentId(..),
LHsUnit, HsUnit(..),
LHsUnitDecl, HsUnitDecl(..),
IncludeDecl(..),
LRenaming, Renaming(..),
) where
import GhcPrelude
import DriverPhases
import GHC.Hs
import SrcLoc
import Outputable
import Module
import UnitInfo
{-
************************************************************************
* *
User syntax
* *
************************************************************************
-}
data HsComponentId = HsComponentId {
hsPackageName :: PackageName,
hsComponentId :: ComponentId
}
instance Outputable HsComponentId where
ppr (HsComponentId _pn cid) = ppr cid -- todo debug with pn
data HsUnitId n = HsUnitId (Located n) [LHsModuleSubst n]
type LHsUnitId n = Located (HsUnitId n)
type HsModuleSubst n = (Located ModuleName, LHsModuleId n)
type LHsModuleSubst n = Located (HsModuleSubst n)
data HsModuleId n = HsModuleVar (Located ModuleName)
| HsModuleId (LHsUnitId n) (Located ModuleName)
type LHsModuleId n = Located (HsModuleId n)
-- | Top level @unit@ declaration in a Backpack file.
data HsUnit n = HsUnit {
hsunitName :: Located n,
hsunitBody :: [LHsUnitDecl n]
}
type LHsUnit n = Located (HsUnit n)
-- | A declaration in a package, e.g. a module or signature definition,
-- or an include.
data HsUnitDecl n
= DeclD HscSource (Located ModuleName) (Maybe (Located HsModule))
| IncludeD (IncludeDecl n)
type LHsUnitDecl n = Located (HsUnitDecl n)
-- | An include of another unit
data IncludeDecl n = IncludeDecl {
idUnitId :: LHsUnitId n,
idModRenaming :: Maybe [ LRenaming ],
-- | Is this a @dependency signature@ include? If so,
-- we don't compile this include when we instantiate this
-- unit (as there should not be any modules brought into
-- scope.)
idSignatureInclude :: Bool
}
-- | Rename a module from one name to another. The identity renaming
-- means that the module should be brought into scope.
data Renaming = Renaming { renameFrom :: Located ModuleName
, renameTo :: Maybe (Located ModuleName) }
type LRenaming = Located Renaming
|
