blob: 2e6482374b62d073fd3df5d154465ef12f137f96 (
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
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
84
85
86
|
{- Allows linking haskell programs too big for all the files to fit in a
- command line.
-
-
- Copyright 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Main where
import Data.Maybe
import Data.Either
import Data.List
import Text.Parsec
import Text.Parsec.String
import Control.Applicative ((<$>))
import Control.Monad
import Utility.Monad
import Utility.Process
import System.Directory
data CmdParams = CmdParams { cmd :: String, opts :: String }
deriving (Show)
{- Find where ghc calls gcc to link the executable. -}
parseGhcLink :: Parser CmdParams
parseGhcLink = do
many prelinklines
linkheaderline
char '"'
gcccmd <- many1 (noneOf "\"")
string "\" "
gccparams <- restOfLine
return $ CmdParams gcccmd gccparams
where
linkheaderline = do
string "*** Linker"
restOfLine
prelinklines = do
notFollowedBy linkheaderline
restOfLine
{- Find where gcc calls collect1. -}
parseGccLink :: Parser CmdParams
parseGccLink = error "TODO"
{- Find where collect1 calls ld. -}
parseCollect1 :: Parser CmdParams
parseCollect1 = error "TODO"
restOfLine :: Parser String
restOfLine = newline `after` many (noneOf "\n")
{- Intentionally ignores command failure; the whole point is to work around
- that. -}
getOutput :: String -> [String] -> IO String
getOutput cmd params = do
putStrLn $ unwords [cmd, show params]
(log, _ok) <- processTranscript cmd params Nothing
return log
runParser' :: Parser a -> String -> a
runParser' p s = either (error . show) id (parse p "" s)
atFile :: FilePath -> String
atFile f = '@':f
runAtFile :: Parser CmdParams -> String -> FilePath -> [String] -> IO String
runAtFile p s f extraparams = do
writeFile f (opts c)
out <- getOutput (cmd c) (atFile f:extraparams)
removeFile f
return out
where
c = runParser' p s
main = do
ghcout <- getOutput "cabal"
["build", "--ghc-options=-v -keep-tmp-files"]
gccout <- runAtFile parseGhcLink ghcout "gcc.opt" ["-v"]
writeFile "gcc.out" gccout
collect1out <- runAtFile parseGccLink gccout "collect1.opt" ["-v"]
writeFile "collect1.out" collect1out
void $ runAtFile parseCollect1 collect1out "ld.opt" []
|
