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|
module Context (
-- * Context
Context (..), vanillaContext, stageContext,
-- * Expressions
getStage, getPackage, getWay, getStagedSettingList, getBuildPath,
-- * Paths
contextDir, buildPath, buildDir, pkgInplaceConfig, pkgSetupConfigFile,
pkgHaddockFile, pkgRegisteredLibraryFile, pkgRegisteredLibraryFileName,
pkgLibraryFile, pkgGhciLibraryFile,
pkgConfFile, objectPath, contextPath, getContextPath, libPath, distDir,
haddockStatsFilesDir
) where
import Base
import Context.Path
import Context.Type
import Hadrian.Expression
import Hadrian.Haskell.Cabal
import Oracles.Setting
-- | Most targets are built only one way, hence the notion of 'vanillaContext'.
vanillaContext :: Stage -> Package -> Context
vanillaContext s p = Context s p vanilla
-- | Partial context with undefined 'Package' field. Useful for 'Packages'
-- expressions that only read the environment and current 'Stage'.
stageContext :: Stage -> Context
stageContext s = vanillaContext s $ error "stageContext: package not set"
-- | Get the 'Stage' of the current 'Context'.
getStage :: Expr Context b Stage
getStage = stage <$> getContext
-- | Get the 'Package' of the current 'Context'.
getPackage :: Expr Context b Package
getPackage = package <$> getContext
-- | Get the 'Way' of the current 'Context'.
getWay :: Expr Context b Way
getWay = way <$> getContext
-- | Get a list of configuration settings for the current stage.
getStagedSettingList :: (Stage -> SettingList) -> Args Context b
getStagedSettingList f = getSettingList . f =<< getStage
-- | Path to the directory containing the final artifact in a given 'Context'.
libPath :: Context -> Action FilePath
libPath Context {..} = buildRoot <&> (-/- (stageString stage -/- "lib"))
-- | Get the directory name for binary distribution files
-- @<arch>-<os>-ghc-<version>@.
--
-- We preform some renaming to accommodate Cabal's slightly different naming
-- conventions (see 'cabalOsString' and 'cabalArchString').
distDir :: Stage -> Action FilePath
distDir st = do
let (os,arch) = case st of
Stage0 -> (HostOs , HostArch)
_ -> (TargetOs, TargetArch)
version <- ghcVersionStage st
hostOs <- cabalOsString <$> setting os
hostArch <- cabalArchString <$> setting arch
return $ hostArch ++ "-" ++ hostOs ++ "-ghc-" ++ version
pkgFileName :: Package -> String -> String -> Action FilePath
pkgFileName package prefix suffix = do
pid <- pkgIdentifier package
return $ prefix ++ pid ++ suffix
pkgFile :: Context -> String -> String -> Action FilePath
pkgFile context@Context {..} prefix suffix = do
path <- buildPath context
fileName <- pkgFileName package prefix suffix
return $ path -/- fileName
-- | Path to inplace package configuration file of a given 'Context'.
pkgInplaceConfig :: Context -> Action FilePath
pkgInplaceConfig context = contextPath context <&> (-/- "inplace-pkg-config")
-- | Path to the @setup-config@ of a given 'Context'.
pkgSetupConfigFile :: Context -> Action FilePath
pkgSetupConfigFile context = contextPath context <&> (-/- "setup-config")
-- | Path to the haddock file of a given 'Context', e.g.:
-- @_build/stage1/libraries/array/doc/html/array/array.haddock@.
pkgHaddockFile :: Context -> Action FilePath
pkgHaddockFile Context {..} = do
root <- buildRoot
let name = pkgName package
return $ root -/- "docs/html/libraries" -/- name -/- name <.> "haddock"
-- | Path to the registered ghc-pkg library file of a given 'Context', e.g.:
-- @_build/stage1/lib/x86_64-linux-ghc-8.9.0/libHSarray-0.5.1.0-ghc8.9.0.so@
-- @_build/stage1/lib/x86_64-linux-ghc-8.9.0/array-0.5.1.0/libHSarray-0.5.4.0.a@
pkgRegisteredLibraryFile :: Context -> Action FilePath
pkgRegisteredLibraryFile context@Context {..} = do
libDir <- libPath context
pkgId <- pkgIdentifier package
fileName <- pkgRegisteredLibraryFileName context
distDir <- distDir stage
return $ if Dynamic `wayUnit` way
then libDir -/- distDir -/- fileName
else libDir -/- distDir -/- pkgId -/- fileName
-- | Just the final filename portion of pkgRegisteredLibraryFile
pkgRegisteredLibraryFileName :: Context -> Action FilePath
pkgRegisteredLibraryFileName Context{..} = do
extension <- libsuf stage way
pkgFileName package "libHS" extension
-- | Path to the library file of a given 'Context', e.g.:
-- @_build/stage1/libraries/array/build/libHSarray-0.5.1.0.a@.
pkgLibraryFile :: Context -> Action FilePath
pkgLibraryFile context@Context {..} = do
extension <- libsuf stage way
pkgFile context "libHS" extension
-- | Path to the GHCi library file of a given 'Context', e.g.:
-- @_build/stage1/libraries/array/build/HSarray-0.5.1.0.o@.
pkgGhciLibraryFile :: Context -> Action FilePath
pkgGhciLibraryFile context@Context {..} = do
let extension = "" <.> osuf way
pkgFile context "HS" extension
-- | Path to the configuration file of a given 'Context'.
pkgConfFile :: Context -> Action FilePath
pkgConfFile Context {..} = do
pid <- pkgIdentifier package
dbPath <- packageDbPath stage
return $ dbPath -/- pid <.> "conf"
-- | Given a 'Context' and a 'FilePath' to a source file, compute the 'FilePath'
-- to its object file. For example:
-- * "Task.c" -> "_build/stage1/rts/Task.thr_o"
-- * "_build/stage1/rts/cmm/AutoApply.cmm" -> "_build/stage1/rts/cmm/AutoApply.o"
objectPath :: Context -> FilePath -> Action FilePath
objectPath context@Context {..} src = do
isGenerated <- isGeneratedSource src
path <- buildPath context
let extension = drop 1 $ takeExtension src
obj = src -<.> osuf way
result | isGenerated = obj
| "*hs*" ?== extension = path -/- obj
| otherwise = path -/- extension -/- obj
return result
|
