modInfoLookupName,
lookupGlobalName,
+ -- * Printing
+ PrintUnqualified, alwaysQualify,
+
-- * Interactive evaluation
getBindings, getPrintUnqual,
#ifdef GHCI
setContext, getContext,
getNamesInScope,
moduleIsInterpreted,
- getInfo, GetInfoResult,
+ getInfo,
exprType,
typeKind,
parseName,
RunResult(..),
runStmt,
- browseModule,
showModule,
compileExpr, HValue,
lookupName,
Module, mkModule, pprModule,
-- ** Names
- Name, nameModule,
+ Name,
+ nameModule, nameParent_maybe, pprParenSymName, nameSrcLoc,
+ NamedThing(..),
-- ** Identifiers
Id, idType,
isImplicitId, isDeadBinder,
isSpecPragmaId, isExportedId, isLocalId, isGlobalId,
isRecordSelector,
- isPrimOpId, isFCallId,
+ isPrimOpId, isFCallId, isClassOpId_maybe,
isDataConWorkId, idDataCon,
isBottomingId, isDictonaryId,
+ recordSelectorFieldLabel,
-- ** Type constructors
TyCon,
+ tyConTyVars, tyConDataCons,
isClassTyCon, isSynTyCon, isNewTyCon,
+ getSynTyConDefn,
-- ** Data constructors
DataCon,
+ dataConSig, dataConType, dataConTyCon, dataConFieldLabels,
+ dataConIsInfix, isVanillaDataCon,
+ dataConStrictMarks,
+ StrictnessMark(..), isMarkedStrict,
-- ** Classes
Class,
- classSCTheta, classTvsFds,
+ classMethods, classSCTheta, classTvsFds,
+ pprFundeps,
-- ** Instances
- Instance,
+ Instance,
+ instanceDFunId, pprInstance,
-- ** Types and Kinds
- Type, dropForAlls,
+ Type, dropForAlls, splitForAllTys, funResultTy, pprParendType,
Kind,
+ PredType,
+ ThetaType, pprThetaArrow,
-- ** Entities
TyThing(..),
-- ** Syntax
module HsSyn, -- ToDo: remove extraneous bits
+ -- ** Fixities
+ FixityDirection(..),
+ defaultFixity, maxPrecedence,
+ negateFixity,
+ compareFixity,
+
+ -- ** Source locations
+ SrcLoc, pprDefnLoc,
+
-- * Exceptions
GhcException(..), showGhcException,
{-
ToDo:
- * inline bits of HscMain here to simplify layering: hscGetInfo,
- hscTcExpr, hscStmt.
+ * inline bits of HscMain here to simplify layering: hscTcExpr, hscStmt.
* we need to expose DynFlags, so should parseDynamicFlags really be
part of this interface?
* what StaticFlags should we expose, if any?
#ifdef GHCI
import qualified Linker
import Linker ( HValue, extendLinkEnv )
-import TcRnDriver ( getModuleContents, tcRnLookupRdrName,
- getModuleExports )
+import TcRnDriver ( tcRnLookupRdrName, tcRnGetInfo,
+ tcRnLookupName, getModuleExports )
import RdrName ( plusGlobalRdrEnv, Provenance(..),
ImportSpec(..), ImpDeclSpec(..), ImpItemSpec(..),
emptyGlobalRdrEnv, mkGlobalRdrEnv )
-import HscMain ( hscGetInfo, GetInfoResult, hscParseIdentifier,
- hscStmt, hscTcExpr, hscKcType )
+import HscMain ( hscParseIdentifier, hscStmt, hscTcExpr, hscKcType )
import Type ( tidyType )
import VarEnv ( emptyTidyEnv )
import GHC.Exts ( unsafeCoerce# )
-import IfaceSyn ( IfaceDecl )
#endif
import Packages ( initPackages, isHomeModule )
import RdrName ( GlobalRdrEnv, GlobalRdrElt(..), RdrName,
globalRdrEnvElts )
import HsSyn
-import Type ( Kind, Type, dropForAlls )
+import Type ( Kind, Type, dropForAlls, PredType, ThetaType,
+ pprThetaArrow, pprParendType, splitForAllTys,
+ funResultTy )
import Id ( Id, idType, isImplicitId, isDeadBinder,
isSpecPragmaId, isExportedId, isLocalId, isGlobalId,
- isRecordSelector,
- isPrimOpId, isFCallId,
+ isRecordSelector, recordSelectorFieldLabel,
+ isPrimOpId, isFCallId, isClassOpId_maybe,
isDataConWorkId, idDataCon,
isBottomingId )
-import TyCon ( TyCon, isClassTyCon, isSynTyCon, isNewTyCon )
-import Class ( Class, classSCTheta, classTvsFds )
-import DataCon ( DataCon )
-import Name ( Name, nameModule )
+import TyCon ( TyCon, isClassTyCon, isSynTyCon, isNewTyCon,
+ tyConTyVars, tyConDataCons, getSynTyConDefn )
+import Class ( Class, classSCTheta, classTvsFds, classMethods )
+import FunDeps ( pprFundeps )
+import DataCon ( DataCon, dataConWrapId, dataConSig, dataConTyCon,
+ dataConFieldLabels, dataConStrictMarks,
+ dataConIsInfix, isVanillaDataCon )
+import Name ( Name, nameModule, NamedThing(..), nameParent_maybe,
+ nameSrcLoc )
+import OccName ( parenSymOcc )
import NameEnv ( nameEnvElts )
-import InstEnv ( Instance )
+import InstEnv ( Instance, instanceDFunId, pprInstance )
import SrcLoc
import DriverPipeline
import DriverPhases ( Phase(..), isHaskellSrcFilename, startPhase )
import StringBuffer ( StringBuffer, hGetStringBuffer )
import Outputable
import SysTools ( cleanTempFilesExcept )
-import BasicTypes ( SuccessFlag(..), succeeded, failed )
+import BasicTypes
import TcType ( tcSplitSigmaTy, isDictTy )
import FastString ( mkFastString )
text "Chasing modules from: ",
hcat (punctuate comma (map pprTarget targets))]))
- downsweep hsc_env old_graph excluded_mods
+ r <- downsweep hsc_env old_graph excluded_mods
+ case r of
+ Right mod_graph -> writeIORef ref hsc_env{ hsc_mod_graph = mod_graph }
+ _ -> return ()
+ return r
{-
-- | The result of load.
-- were successfully loaded by inspecting the Session's HPT.
mb_graph <- depanal s []
case mb_graph of
- Left msgs -> do msg_act msgs; return Failed
- Right mod_graph -> do
- hsc_env <- readIORef ref
- writeIORef ref hsc_env{ hsc_mod_graph = mod_graph }
- loadMsgs2 s how_much msg_act mod_graph
+ Left msgs -> do msg_act msgs; return Failed
+ Right mod_graph -> loadMsgs2 s how_much msg_act mod_graph
loadMsgs2 s@(Session ref) how_much msg_act mod_graph = do
hsc_env <- readIORef ref
let hpt1 = hsc_HPT hsc_env
let dflags = hsc_dflags hsc_env
let ghci_mode = ghcMode dflags -- this never changes
- let verb = verbosity dflags
-- The "bad" boot modules are the ones for which we have
-- B.hs-boot in the module graph, but no B.hs
-- The downsweep should have ensured this does not happen
-- (see msDeps)
let all_home_mods = [ms_mod s | s <- mod_graph, not (isBootSummary s)]
+#ifdef DEBUG
bad_boot_mods = [s | s <- mod_graph, isBootSummary s,
not (ms_mod s `elem` all_home_mods)]
+#endif
ASSERT( null bad_boot_mods ) return ()
-- mg2_with_srcimps drops the hi-boot nodes, returning a
type RenamedSource = HsGroup Name
type TypecheckedSource = LHsBinds Id
+-- NOTE:
+-- - things that aren't in the output of the renamer:
+-- - the export list
+-- - the imports
+-- - things that aren't in the output of the typechecker right now:
+-- - the export list
+-- - the imports
+-- - type signatures
+-- - type/data/newtype declarations
+-- - class declarations
+-- - instances
+-- - extra things in the typechecker's output:
+-- - default methods are turned into top-level decls.
+-- - dictionary bindings
+
+
-- | This is the way to get access to parsed and typechecked source code
-- for a module. 'checkModule' loads all the dependencies of the specified
-- module in the Session, and then attempts to typecheck the module. If
renamedSource = renamed,
typecheckedSource = Just tc_binds,
checkedModuleInfo = Just minf }))
+ _other ->
+ panic "checkModule"
-- ---------------------------------------------------------------------------
-- Unloading
| otherwise = False
where
same_as_prev t = case lookupModuleEnv hpt (ms_mod ms) of
- Nothing -> True
Just hmi | Just l <- hm_linkable hmi
-> isObjectLinkable l && t == linkableTime l
+ _other -> True
-- why '>=' rather than '>' above? If the filesystem stores
-- times to the nearset second, we may occasionally find that
-- the object & source have the same modification time,
bco_ok ms
= case lookupModuleEnv hpt (ms_mod ms) of
- Nothing -> False
Just hmi | Just l <- hm_linkable hmi ->
not (isObjectLinkable l) &&
linkableTime l >= ms_hs_date ms
+ _other -> False
ms_allimps :: ModSummary -> [Module]
ms_allimps ms = map unLoc (ms_srcimps ms ++ ms_imps ms)
msKey :: ModSummary -> NodeKey
msKey (ModSummary { ms_mod = mod, ms_hsc_src = boot }) = (mod,boot)
-emptyNodeMap :: NodeMap a
-emptyNodeMap = emptyFM
-
mkNodeMap :: [ModSummary] -> NodeMap ModSummary
mkNodeMap summaries = listToFM [ (msKey s, s) | s <- summaries]
nodeMapElts :: NodeMap a -> [a]
nodeMapElts = eltsFM
--- -----------------------------------------------------------------
--- The unlinked image
---
--- The compilation manager keeps a list of compiled, but as-yet unlinked
--- binaries (byte code or object code). Even when it links bytecode
--- it keeps the unlinked version so it can re-link it later without
--- recompiling.
-
-type UnlinkedImage = [Linkable] -- the unlinked images (should be a set, really)
-
-findModuleLinkable_maybe :: [Linkable] -> Module -> Maybe Linkable
-findModuleLinkable_maybe lis mod
- = case [LM time nm us | LM time nm us <- lis, nm == mod] of
- [] -> Nothing
- [li] -> Just li
- many -> pprPanic "findModuleLinkable" (ppr mod)
-
-delModuleLinkable :: [Linkable] -> Module -> [Linkable]
-delModuleLinkable ls mod = [ l | l@(LM _ nm _) <- ls, nm /= mod ]
-
-----------------------------------------------------------------------------
-- Downsweep (dependency analysis)
eps <- readIORef (hsc_EPS hsc_env)
return $! lookupType (hsc_HPT hsc_env) (eps_PTE eps) name
-#if 0
+-- -----------------------------------------------------------------------------
+-- Misc exported utils
-data ObjectCode
- = ByteCode
- | BinaryCode FilePath
+dataConType :: DataCon -> Type
+dataConType dc = idType (dataConWrapId dc)
--- ToDo: typechecks abstract syntax or renamed abstract syntax. Issues:
--- - typechecked syntax includes extra dictionary translation and
--- AbsBinds which need to be translated back into something closer to
--- the original source.
+-- | print a 'NamedThing', adding parentheses if the name is an operator.
+pprParenSymName :: NamedThing a => a -> SDoc
+pprParenSymName a = parenSymOcc (getOccName a) (ppr (getName a))
--- ToDo:
--- - Data and Typeable instances for HsSyn.
+-- ----------------------------------------------------------------------------
--- ToDo:
--- - things that aren't in the output of the renamer:
--- - the export list
--- - the imports
+#if 0
-- ToDo:
--- - things that aren't in the output of the typechecker right now:
--- - the export list
--- - the imports
--- - type signatures
--- - type/data/newtype declarations
--- - class declarations
--- - instances
--- - extra things in the typechecker's output:
--- - default methods are turned into top-level decls.
--- - dictionary bindings
+-- - Data and Typeable instances for HsSyn.
-- ToDo: check for small transformations that happen to the syntax in
-- the typechecker (eg. -e ==> negate e, perhaps for fromIntegral)
_not_a_home_module -> return False
-- | Looks up an identifier in the current interactive context (for :info)
-{-# DEPRECATED getInfo "we should be using parseName/lookupName instead" #-}
-getInfo :: Session -> String -> IO [GetInfoResult]
-getInfo s id = withSession s $ \hsc_env -> hscGetInfo hsc_env id
+getInfo :: Session -> Name -> IO (Maybe (TyThing,Fixity,[Instance]))
+getInfo s name = withSession s $ \hsc_env -> tcRnGetInfo hsc_env name
-- | Returns all names in scope in the current interactive context
getNamesInScope :: Session -> IO [Name]
-- | Returns the 'TyThing' for a 'Name'. The 'Name' may refer to any
-- entity known to GHC, including 'Name's defined using 'runStmt'.
lookupName :: Session -> Name -> IO (Maybe TyThing)
-lookupName s name = withSession s $ \hsc_env -> do
- case lookupTypeEnv (ic_type_env (hsc_IC hsc_env)) name of
- Just tt -> return (Just tt)
- Nothing -> do
- eps <- readIORef (hsc_EPS hsc_env)
- return $! lookupType (hsc_HPT hsc_env) (eps_PTE eps) name
+lookupName s name = withSession s $ \hsc_env -> tcRnLookupName hsc_env name
-- -----------------------------------------------------------------------------
-- Getting the type of an expression
Just ty -> return (Just tidy_ty)
where
tidy_ty = tidyType emptyTidyEnv ty
- dflags = hsc_dflags hsc_env
-- -----------------------------------------------------------------------------
-- Getting the kind of a type
-- more informative than the C type!
-}
--- ---------------------------------------------------------------------------
--- cmBrowseModule: get all the TyThings defined in a module
-
-{-# DEPRECATED browseModule "we should be using getModuleInfo instead" #-}
-browseModule :: Session -> Module -> Bool -> IO [IfaceDecl]
-browseModule s modl exports_only = withSession s $ \hsc_env -> do
- mb_decls <- getModuleContents hsc_env modl exports_only
- case mb_decls of
- Nothing -> return [] -- An error of some kind
- Just ds -> return ds
-
-
-----------------------------------------------------------------------------
-- show a module and it's source/object filenames
projects / ghc-hetmet.git / blobdiff