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semantic/languages/ruby/Setup.hs

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import Distribution.Simple
import Distribution.PackageDescription
import Distribution.Simple.Setup
import Distribution.Simple.Utils
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import Distribution.Simple.LocalBuildInfo
import Data.Maybe
import System.Directory
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import Distribution.System
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import System.FilePath.Posix
main = defaultMainWithHooks simpleUserHooks {
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preConf = makeScannerLib,
confHook = \a f -> confHook simpleUserHooks a f >>= updateExtraLibDirs,
postClean = cleanScannerLib
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}
makeScannerLib :: Args -> ConfigFlags -> IO HookedBuildInfo
makeScannerLib _ flags = do
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let verbosity = fromFlag $ configVerbosity flags
rawSystemExit verbosity "env" ["mkdir", "-p", "lib"]
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rawSystemExit verbosity "env" ["g++", "-Ivendor/tree-sitter-ruby/src/", "-fPIC", "vendor/tree-sitter-ruby/src/scanner.cc", "-c", "-o", "lib/scanner.o"]
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rawSystemExit verbosity "env" ["ar", "rcvs", "lib/libscanner.a", "lib/scanner.o"]
pure emptyHookedBuildInfo
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updateExtraLibDirs :: LocalBuildInfo -> IO LocalBuildInfo
updateExtraLibDirs localBuildInfo = do
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let packageDescription = localPkgDescr localBuildInfo
lib = fromJust $ library packageDescription
libBuild = libBuildInfo lib
dir <- getCurrentDirectory
pure localBuildInfo {
localPkgDescr = packageDescription {
library = Just $ lib {
libBuildInfo = libBuild {
extraLibDirs = (dir </> "lib") : extraLibDirs libBuild
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}
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}
}
}
cleanScannerLib :: Args -> CleanFlags -> PackageDescription -> () -> IO ()
cleanScannerLib _ flags _ _ = do
let verbosity = fromFlag $ cleanVerbosity flags
dir <- getCurrentDirectory
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rawSystemExit verbosity "env" ["rm", "-rf", dir </> "lib"]