) where
-#include "HsVersions.h"
-
import Module
import HscTypes
import Packages
import LazyUniqFM
import Maybes ( expectJust )
+import Distribution.Package hiding (PackageId)
import Data.IORef ( IORef, writeIORef, readIORef, modifyIORef )
import Data.List
import System.Directory
-- packages to find the module, if a package is specified then only
-- that package is searched for the module.
-findImportedModule :: HscEnv -> ModuleName -> Maybe PackageId -> IO FindResult
-findImportedModule hsc_env mod_name mb_pkgid =
- case mb_pkgid of
- Nothing -> unqual_import
- Just pkg | pkg == this_pkg -> home_import
- | otherwise -> pkg_import pkg
+findImportedModule :: HscEnv -> ModuleName -> Maybe FastString -> IO FindResult
+findImportedModule hsc_env mod_name mb_pkg =
+ case mb_pkg of
+ Nothing -> unqual_import
+ Just pkg | pkg == fsLit "this" -> home_import -- "this" is special
+ | otherwise -> pkg_import
where
- dflags = hsc_dflags hsc_env
- this_pkg = thisPackage dflags
-
- home_import = findHomeModule hsc_env mod_name
+ home_import = findHomeModule hsc_env mod_name
- pkg_import pkg = findPackageModule hsc_env (mkModule pkg mod_name)
- -- ToDo: this isn't quite right, the module we want
- -- might actually be in another package, but re-exposed
- -- ToDo: should return NotFoundInPackage if
- -- the module isn't exposed by the package.
+ pkg_import = findExposedPackageModule hsc_env mod_name mb_pkg
- unqual_import = home_import
+ unqual_import = home_import
`orIfNotFound`
- findExposedPackageModule hsc_env mod_name
+ findExposedPackageModule hsc_env mod_name Nothing
-- | Locate a specific 'Module'. The purpose of this function is to
-- create a 'ModLocation' for a given 'Module', that is to find out
_other -> return ()
return result
-findExposedPackageModule :: HscEnv -> ModuleName -> IO FindResult
-findExposedPackageModule hsc_env mod_name
+findExposedPackageModule :: HscEnv -> ModuleName -> Maybe FastString
+ -> IO FindResult
+findExposedPackageModule hsc_env mod_name mb_pkg
-- not found in any package:
| null found = return (NotFound [] Nothing)
-- found in just one exposed package:
where
dflags = hsc_dflags hsc_env
found = lookupModuleInAllPackages dflags mod_name
- found_exposed = filter is_exposed found
+
+ found_exposed = [ (pkg_conf,exposed_mod)
+ | x@(pkg_conf,exposed_mod) <- found,
+ is_exposed x,
+ pkg_conf `matches` mb_pkg ]
+
is_exposed (pkg_conf,exposed_mod) = exposed pkg_conf && exposed_mod
+ _pkg_conf `matches` Nothing = True
+ pkg_conf `matches` Just pkg =
+ case packageName pkg_conf of
+ PackageName n -> pkg == mkFastString n
+
modLocationCache :: HscEnv -> Module -> IO FindResult -> IO FindResult
modLocationCache hsc_env mod do_this = do
stub_basename = stub_basename0 ++ "_stub"
-- this is the filename we're going to use when
- -- #including the stub_h file from the .hc file.
+ -- \#including the stub_h file from the .hc file.
-- Without -stubdir, we just #include the basename
-- (eg. for a module A.B, we #include "B_stub.h"),
-- relying on the fact that we add an implicit -I flag
-- for the directory in which the source file resides
-- (see DriverPipeline.hs). With -stubdir, we
- -- #include "A/B.h", assuming that the user has added
+ -- \#include "A/B.h", assuming that the user has added
-- -I<dir> along with -stubdir <dir>.
include_basename
| Just _ <- stubdir = mod_basename
-- Error messages
cannotFindModule :: DynFlags -> ModuleName -> FindResult -> SDoc
-cannotFindModule = cantFindErr SLIT("Could not find module")
+cannotFindModule = cantFindErr (sLit "Could not find module")
cannotFindInterface :: DynFlags -> ModuleName -> FindResult -> SDoc
-cannotFindInterface = cantFindErr SLIT("Failed to load interface for")
+cannotFindInterface = cantFindErr (sLit "Failed to load interface for")
cantFindErr :: LitString -> DynFlags -> ModuleName -> FindResult -> SDoc
cantFindErr cannot_find _dflags mod_name (FoundMultiple pkgs)
= hang (ptext cannot_find <+> quotes (ppr mod_name) <> colon) 2 (
- sep [ptext SLIT("it was found in multiple packages:"),
+ sep [ptext (sLit "it was found in multiple packages:"),
hsep (map (text.packageIdString) pkgs)]
)
cantFindErr cannot_find dflags mod_name find_result
more_info
= case find_result of
PackageHidden pkg
- -> ptext SLIT("it is a member of package") <+> ppr pkg <> comma
- <+> ptext SLIT("which is hidden")
+ -> ptext (sLit "it is a member of package") <+> ppr pkg <> comma
+ <+> ptext (sLit "which is hidden")
ModuleHidden pkg
- -> ptext SLIT("it is hidden") <+> parens (ptext SLIT("in package")
+ -> ptext (sLit "it is hidden") <+> parens (ptext (sLit "in package")
<+> ppr pkg)
NoPackage pkg
- -> ptext SLIT("no package matching") <+> ppr pkg <+>
- ptext SLIT("was found")
+ -> ptext (sLit "no package matching") <+> ppr pkg <+>
+ ptext (sLit "was found")
NotFound files mb_pkg
| null files
- -> ptext SLIT("it is not a module in the current program, or in any known package.")
+ -> ptext (sLit "it is not a module in the current program, or in any known package.")
| Just pkg <- mb_pkg, pkg /= thisPackage dflags, build_tag /= ""
-> let
build = if build_tag == "p" then "profiling"
else "\"" ++ build_tag ++ "\""
in
- ptext SLIT("Perhaps you haven't installed the ") <> text build <>
- ptext SLIT(" libraries for package ") <> ppr pkg <> char '?' $$
+ ptext (sLit "Perhaps you haven't installed the ") <> text build <>
+ ptext (sLit " libraries for package ") <> ppr pkg <> char '?' $$
not_found files
| otherwise
-> not_found files
NotFoundInPackage pkg
- -> ptext SLIT("it is not in package") <+> ppr pkg
+ -> ptext (sLit "it is not in package") <+> ppr pkg
_ -> panic "cantFindErr"
not_found files
| verbosity dflags < 3
- = ptext SLIT("Use -v to see a list of the files searched for.")
+ = ptext (sLit "Use -v to see a list of the files searched for.")
| otherwise
- = hang (ptext SLIT("locations searched:")) 2 (vcat (map text files))
+ = hang (ptext (sLit "locations searched:")) 2 (vcat (map text files))
\end{code}
projects / ghc-hetmet.git / blobdiff