ghc-6.12.2: The GHC APISource codeContentsIndex
Module
Contents
The ModuleName type
The PackageId type
Wired-in PackageIds
The Module type
The ModuleLocation type
Module mappings
ModuleName mappings
Sets of Modules
Synopsis
data ModuleName
pprModuleName :: ModuleName -> SDoc
moduleNameFS :: ModuleName -> FastString
moduleNameString :: ModuleName -> String
moduleNameSlashes :: ModuleName -> String
mkModuleName :: String -> ModuleName
mkModuleNameFS :: FastString -> ModuleName
stableModuleNameCmp :: ModuleName -> ModuleName -> Ordering
data PackageId
fsToPackageId :: FastString -> PackageId
packageIdFS :: PackageId -> FastString
stringToPackageId :: String -> PackageId
packageIdString :: PackageId -> String
stablePackageIdCmp :: PackageId -> PackageId -> Ordering
primPackageId :: PackageId
integerPackageId :: PackageId
basePackageId :: PackageId
rtsPackageId :: PackageId
haskell98PackageId :: PackageId
thPackageId :: PackageId
dphSeqPackageId :: PackageId
dphParPackageId :: PackageId
mainPackageId :: PackageId
data Module
modulePackageId :: Module -> PackageId
moduleName :: Module -> ModuleName
pprModule :: Module -> SDoc
mkModule :: PackageId -> ModuleName -> Module
stableModuleCmp :: Module -> Module -> Ordering
data ModLocation = ModLocation {
ml_hs_file :: Maybe FilePath
ml_hi_file :: FilePath
ml_obj_file :: FilePath
}
addBootSuffix :: FilePath -> FilePath
addBootSuffix_maybe :: Bool -> FilePath -> FilePath
addBootSuffixLocn :: ModLocation -> ModLocation
data ModuleEnv elt
elemModuleEnv :: Module -> ModuleEnv a -> Bool
extendModuleEnv :: ModuleEnv a -> Module -> a -> ModuleEnv a
extendModuleEnvList :: ModuleEnv a -> [(Module, a)] -> ModuleEnv a
extendModuleEnvList_C :: (a -> a -> a) -> ModuleEnv a -> [(Module, a)] -> ModuleEnv a
plusModuleEnv_C :: (a -> a -> a) -> ModuleEnv a -> ModuleEnv a -> ModuleEnv a
delModuleEnvList :: ModuleEnv a -> [Module] -> ModuleEnv a
delModuleEnv :: ModuleEnv a -> Module -> ModuleEnv a
plusModuleEnv :: ModuleEnv a -> ModuleEnv a -> ModuleEnv a
lookupModuleEnv :: ModuleEnv a -> Module -> Maybe a
lookupWithDefaultModuleEnv :: ModuleEnv a -> a -> Module -> a
mapModuleEnv :: (a -> b) -> ModuleEnv a -> ModuleEnv b
mkModuleEnv :: [(Module, a)] -> ModuleEnv a
emptyModuleEnv :: ModuleEnv a
moduleEnvKeys :: ModuleEnv a -> [Module]
moduleEnvElts :: ModuleEnv a -> [a]
moduleEnvToList :: ModuleEnv a -> [(Module, a)]
unitModuleEnv :: Module -> a -> ModuleEnv a
isEmptyModuleEnv :: ModuleEnv a -> Bool
foldModuleEnv :: (a -> b -> b) -> b -> ModuleEnv a -> b
extendModuleEnv_C :: (a -> a -> a) -> ModuleEnv a -> Module -> a -> ModuleEnv a
filterModuleEnv :: (Module -> a -> Bool) -> ModuleEnv a -> ModuleEnv a
type ModuleNameEnv elt = UniqFM elt
type ModuleSet = FiniteMap Module ()
emptyModuleSet :: ModuleSet
mkModuleSet :: [Module] -> ModuleSet
moduleSetElts :: ModuleSet -> [Module]
extendModuleSet :: ModuleSet -> Module -> ModuleSet
elemModuleSet :: Module -> ModuleSet -> Bool
The ModuleName type
data ModuleName Source
A ModuleName is essentially a simple string, e.g. Data.List.
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pprModuleName :: ModuleName -> SDocSource
moduleNameFS :: ModuleName -> FastStringSource
moduleNameString :: ModuleName -> StringSource
moduleNameSlashes :: ModuleName -> StringSource
Returns the string version of the module name, with dots replaced by slashes
mkModuleName :: String -> ModuleNameSource
mkModuleNameFS :: FastString -> ModuleNameSource
stableModuleNameCmp :: ModuleName -> ModuleName -> OrderingSource
Compares module names lexically, rather than by their Uniques
The PackageId type
data PackageId Source
Essentially just a string identifying a package, including the version: e.g. parsec-1.0
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fsToPackageId :: FastString -> PackageIdSource
packageIdFS :: PackageId -> FastStringSource
stringToPackageId :: String -> PackageIdSource
packageIdString :: PackageId -> StringSource
stablePackageIdCmp :: PackageId -> PackageId -> OrderingSource
Compares package ids lexically, rather than by their Uniques
Wired-in PackageIds

Certain packages are known to the compiler, in that we know about certain entities that reside in these packages, and the compiler needs to declare static Modules and Names that refer to these packages. Hence the wired-in packages can't include version numbers, since we don't want to bake the version numbers of these packages into GHC.

So here's the plan. Wired-in packages are still versioned as normal in the packages database, and you can still have multiple versions of them installed. However, for each invocation of GHC, only a single instance of each wired-in package will be recognised (the desired one is selected via -package/-hide-package), and GHC will use the unversioned PackageId below when referring to it, including in .hi files and object file symbols. Unselected versions of wired-in packages will be ignored, as will any other package that depends directly or indirectly on it (much as if you had used -ignore-package).

primPackageId :: PackageIdSource
integerPackageId :: PackageIdSource
basePackageId :: PackageIdSource
rtsPackageId :: PackageIdSource
haskell98PackageId :: PackageIdSource
thPackageId :: PackageIdSource
dphSeqPackageId :: PackageIdSource
dphParPackageId :: PackageIdSource
mainPackageId :: PackageIdSource
The Module type
data Module Source
A Module is a pair of a PackageId and a ModuleName.
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modulePackageId :: Module -> PackageIdSource
moduleName :: Module -> ModuleNameSource
pprModule :: Module -> SDocSource
mkModule :: PackageId -> ModuleName -> ModuleSource
stableModuleCmp :: Module -> Module -> OrderingSource
This gives a stable ordering, as opposed to the Ord instance which gives an ordering based on the Uniques of the components, which may not be stable from run to run of the compiler.
The ModuleLocation type
data ModLocation Source
Where a module lives on the file system: the actual locations of the .hs, .hi and .o files, if we have them
Constructors
ModLocation
ml_hs_file :: Maybe FilePath
ml_hi_file :: FilePath
ml_obj_file :: FilePath
show/hide Instances
addBootSuffix :: FilePath -> FilePathSource
Add the -boot suffix to .hs, .hi and .o files
addBootSuffix_maybe :: Bool -> FilePath -> FilePathSource
Add the -boot suffix if the Bool argument is True
addBootSuffixLocn :: ModLocation -> ModLocationSource
Add the -boot suffix to all file paths associated with the module
Module mappings
data ModuleEnv elt Source

This is the package Id for the current program. It is the default package Id if you don't specify a package name. We don't add this prefix to symbol names, since there can be only one main package per program.

A map keyed off of Modules

elemModuleEnv :: Module -> ModuleEnv a -> BoolSource
extendModuleEnv :: ModuleEnv a -> Module -> a -> ModuleEnv aSource
extendModuleEnvList :: ModuleEnv a -> [(Module, a)] -> ModuleEnv aSource
extendModuleEnvList_C :: (a -> a -> a) -> ModuleEnv a -> [(Module, a)] -> ModuleEnv aSource
plusModuleEnv_C :: (a -> a -> a) -> ModuleEnv a -> ModuleEnv a -> ModuleEnv aSource
delModuleEnvList :: ModuleEnv a -> [Module] -> ModuleEnv aSource
delModuleEnv :: ModuleEnv a -> Module -> ModuleEnv aSource
plusModuleEnv :: ModuleEnv a -> ModuleEnv a -> ModuleEnv aSource
lookupModuleEnv :: ModuleEnv a -> Module -> Maybe aSource
lookupWithDefaultModuleEnv :: ModuleEnv a -> a -> Module -> aSource
mapModuleEnv :: (a -> b) -> ModuleEnv a -> ModuleEnv bSource
mkModuleEnv :: [(Module, a)] -> ModuleEnv aSource
emptyModuleEnv :: ModuleEnv aSource
moduleEnvKeys :: ModuleEnv a -> [Module]Source
moduleEnvElts :: ModuleEnv a -> [a]Source
moduleEnvToList :: ModuleEnv a -> [(Module, a)]Source
unitModuleEnv :: Module -> a -> ModuleEnv aSource
isEmptyModuleEnv :: ModuleEnv a -> BoolSource
foldModuleEnv :: (a -> b -> b) -> b -> ModuleEnv a -> bSource
extendModuleEnv_C :: (a -> a -> a) -> ModuleEnv a -> Module -> a -> ModuleEnv aSource
filterModuleEnv :: (Module -> a -> Bool) -> ModuleEnv a -> ModuleEnv aSource
ModuleName mappings
type ModuleNameEnv elt = UniqFM eltSource
A map keyed off of ModuleNames (actually, their Uniques)
Sets of Modules
type ModuleSet = FiniteMap Module ()Source
A set of Modules
emptyModuleSet :: ModuleSetSource
mkModuleSet :: [Module] -> ModuleSetSource
moduleSetElts :: ModuleSet -> [Module]Source
extendModuleSet :: ModuleSet -> Module -> ModuleSetSource
elemModuleSet :: Module -> ModuleSet -> BoolSource
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