File: IPE.hs

package info (click to toggle)
ghc 9.10.3-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 169,076 kB
  • sloc: haskell: 713,554; ansic: 84,184; cpp: 30,255; javascript: 9,003; sh: 7,870; fortran: 3,527; python: 3,228; asm: 2,523; makefile: 2,324; yacc: 1,570; lisp: 532; xml: 196; perl: 111; csh: 2
file content (52 lines) | stat: -rw-r--r-- 1,931 bytes parent folder | download
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
module GHC.Types.IPE (
    DCMap,
    ClosureMap,
    InfoTableProvMap(..),
    emptyInfoTableProvMap,
    IpeSourceLocation
) where

import GHC.Prelude

import GHC.Types.Name
import GHC.Data.FastString
import GHC.Types.SrcLoc
import GHC.Core.DataCon

import GHC.Types.Unique.Map
import GHC.Core.Type
import Data.List.NonEmpty
import GHC.Cmm.CLabel (CLabel)
import qualified Data.Map.Strict as Map

-- | Position and information about an info table.
-- For return frames these are the contents of a 'CoreSyn.SourceNote'.
type IpeSourceLocation = (RealSrcSpan, LexicalFastString)

-- | A map from a 'Name' to the best approximate source position that
-- name arose from.
type ClosureMap = UniqMap Name  -- The binding
                          (Type, Maybe IpeSourceLocation)
                          -- The best approximate source position.
                          -- (rendered type, source position, source note
                          -- label)

-- | A map storing all the different uses of a specific data constructor and the
-- approximate source position that usage arose from.
-- The 'Int' is an incrementing identifier which distinguishes each usage
-- of a constructor in a module. It is paired with the source position
-- the constructor was used at, if possible and a string which names
-- the source location. This is the same information as is the payload
-- for the 'GHC.Core.SourceNote' constructor.
type DCMap = UniqMap DataCon (NonEmpty (Int, Maybe IpeSourceLocation))

type InfoTableToSourceLocationMap = Map.Map CLabel (Maybe IpeSourceLocation)

data InfoTableProvMap = InfoTableProvMap
                          { provDC :: DCMap
                          , provClosure :: ClosureMap
                          , provInfoTables :: InfoTableToSourceLocationMap
                          }

emptyInfoTableProvMap :: InfoTableProvMap
emptyInfoTableProvMap = InfoTableProvMap emptyUniqMap emptyUniqMap Map.empty