\begin{code}
module HscTypes (
ModDetails(..), GlobalSymbolTable,
+ HomeSymbolTable, PackageSymbolTable,
- TyThing(..), lookupTypeEnv,
+ TyThing(..), lookupTypeEnv, lookupFixityEnv,
WhetherHasOrphans, ImportVersion, ExportItem,
PersistentRenamerState(..), IsBootInterface, Avails, DeclsMap,
- IfaceInsts, IfaceRules, DeprecationEnv, OrigNameEnv, AvailEnv,
+ IfaceInsts, IfaceRules, DeprecationEnv, OrigNameEnv,
+ AvailEnv, AvailInfo, GenAvailInfo(..),
+ PersistentCompilerState(..),
- InstEnv,
+ InstEnv, ClsInstEnv, DFunId,
- -- Provenance
+ GlobalRdrEnv, RdrAvailInfo,
+
+ CompResult(..), HscResult(..),
+
+ -- Provenance
Provenance(..), ImportReason(..), PrintUnqualified,
- pprProvenance, hasBetterProv
+ pprNameProvenance, hasBetterProv
) where
import Name ( Name, NameEnv, NamedThing,
unitNameEnv, extendNameEnv, plusNameEnv,
- lookupNameEnv, emptyNameEnv, getName, nameModule )
+ lookupNameEnv, emptyNameEnv, getName, nameModule,
+ nameSrcLoc )
import Module ( Module, ModuleName,
extendModuleEnv, lookupModuleEnv )
import Class ( Class )
import FiniteMap ( FiniteMap, emptyFM, addToFM, lookupFM, foldFM )
import Bag ( Bag )
import Id ( Id )
-import VarEnv ( IdEnv )
+import VarEnv ( IdEnv, emptyVarEnv )
import BasicTypes ( Version, Fixity, defaultFixity )
import TyCon ( TyCon )
import ErrUtils ( ErrMsg, WarnMsg )
import CmLink ( Linkable )
import RdrHsSyn ( RdrNameInstDecl, RdrNameRuleDecl, RdrNameHsDecl,
RdrNameDeprecation, RdrNameFixitySig )
+import InterpSyn ( UnlinkedIBind )
import UniqSupply ( UniqSupply )
import HsDecls ( DeprecTxt )
import CoreSyn ( CoreRule )
import NameSet ( NameSet )
import Type ( Type )
import VarSet ( TyVarSet )
-import {-# SOURCE #-}
- TcInstUtil ( emptyInstEnv )
import Panic ( panic )
+import Outputable
+import SrcLoc ( SrcLoc, isGoodSrcLoc )
\end{code}
%************************************************************************
%* *
%************************************************************************
-A @ModDetails@ summarises everything we know about a compiled module.
+A @ModIface@ plus a @ModDetails@ summarises everything we know
+about a compiled module. The @ModIface@ is the stuff *before* linking,
+and can be written out to an interface file. The @ModDetails@ is after
+linking; it is the "linked" form of the mi_decls field.
\begin{code}
data ModDetails
= ModDetails {
- moduleId :: Module,
- moduleExports :: Avails, -- What it exports
- mdVersion :: VersionInfo,
- moduleEnv :: GlobalRdrEnv, -- Its top level environment
+ md_module :: Module, -- Complete with package info
+ md_version :: VersionInfo, -- Module version number
+ md_orphan :: WhetherHasOrphans, -- Whether this module has orphans
+ md_usages :: [ImportVersion Name], -- Usages
+
+ md_exports :: Avails, -- What it exports
+ md_globals :: GlobalRdrEnv, -- Its top level environment
- fixityEnv :: NameEnv Fixity,
- deprecEnv :: NameEnv DeprecTxt,
- typeEnv :: TypeEnv,
+ md_fixities :: NameEnv Fixity, -- Fixities
+ md_deprecs :: NameEnv DeprecTxt, -- Deprecations
- mdInsts :: [DFunId], -- Dfun-ids for the instances in this module
- mdRules :: RuleEnv -- Domain may include Id from other modules
+ -- The next three fields are created by the typechecker
+ md_types :: TypeEnv,
+ md_insts :: [DFunId], -- Dfun-ids for the instances in this module
+ md_rules :: RuleEnv -- Domain may include Ids from other modules
}
+-- ModIFace is nearly the same as RnMonad.ParsedIface.
+-- Right now it's identical :)
+data ModIFace
+ = ModIFace {
+ mi_mod :: Module, -- Complete with package info
+ mi_vers :: Version, -- Module version number
+ mi_orphan :: WhetherHasOrphans, -- Whether this module has orphans
+ mi_usages :: [ImportVersion OccName], -- Usages
+ mi_exports :: [ExportItem], -- Exports
+ mi_insts :: [RdrNameInstDecl], -- Local instance declarations
+ mi_decls :: [(Version, RdrNameHsDecl)], -- Local definitions
+ mi_fixity :: (Version, [RdrNameFixitySig]), -- Local fixity declarations,
+ -- with their version
+ mi_rules :: (Version, [RdrNameRuleDecl]), -- Rules, with their version
+ mi_deprecs :: [RdrNameDeprecation] -- Deprecations
+ }
+
+\end{code}
+
+\begin{code}
emptyModDetails :: Module -> ModDetails
emptyModDetails mod
- = ModDetails { moduleId = mod,
- moduleExports = [],
- moduleEnv = emptyRdrEnv,
- fixityEnv = emptyNameEnv,
- deprecEnv = emptyNameEnv,
- typeEnv = emptyNameEnv,
- mdInsts = [],
- mdRules = emptyRuleEnv
+ = ModDetails { md_module = mod,
+ md_exports = [],
+ md_globals = emptyRdrEnv,
+ md_fixities = emptyNameEnv,
+ md_deprecs = emptyNameEnv,
+ md_types = emptyNameEnv,
+ md_insts = [],
+ md_rules = emptyRuleEnv
}
\end{code}
lookupFixityEnv tbl name
= case lookupModuleEnv tbl (nameModule name) of
Nothing -> Nothing
- Just details -> lookupNameEnv (fixityEnv details) name
+ Just details -> lookupNameEnv (md_fixities details) name
\end{code}
lookupTypeEnv :: SymbolTable -> Name -> Maybe TyThing
lookupTypeEnv tbl name
= case lookupModuleEnv tbl (nameModule name) of
- Just details -> lookupNameEnv (typeEnv details) name
+ Just details -> lookupNameEnv (md_types details) name
Nothing -> Nothing
where
new_details
= case lookupModuleEnv tbl mod of
- Nothing -> (emptyModDetails mod) {typeEnv = type_env}
- Just details -> details {typeEnv = typeEnv details
+ Nothing -> (emptyModDetails mod) {md_types = type_env}
+ Just details -> details {md_types = md_types details
`plusNameEnv` type_env}
\end{code}
\begin{code}
data VersionInfo
= VersionInfo {
- modVers :: Version,
- fixVers :: Version,
+ modVers :: Version,
+ fixVers :: Version,
ruleVers :: Version,
declVers :: NameEnv Version
}
%************************************************************************
\begin{code}
--- ModIFace is nearly the same as RnMonad.ParsedIface.
--- Right now it's identical :)
-data ModIFace
- = ModIFace {
- mi_mod :: Module, -- Complete with package info
- mi_vers :: Version, -- Module version number
- mi_orphan :: WhetherHasOrphans, -- Whether this module has orphans
- mi_usages :: [ImportVersion OccName], -- Usages
- mi_exports :: [ExportItem], -- Exports
- mi_insts :: [RdrNameInstDecl], -- Local instance declarations
- mi_decls :: [(Version, RdrNameHsDecl)], -- Local definitions
- mi_fixity :: (Version, [RdrNameFixitySig]), -- Local fixity declarations,
- -- with their version
- mi_rules :: (Version, [RdrNameRuleDecl]), -- Rules, with their version
- mi_deprecs :: [RdrNameDeprecation] -- Deprecations
- }
-
type ExportItem = (ModuleName, [RdrAvailInfo])
type ImportVersion name = (ModuleName, WhetherHasOrphans, IsBootInterface, WhatsImported name)
\begin{code}
data PersistentCompilerState
= PCS {
- pcsPST :: PackageSymbolTable, -- Domain = non-home-package modules
- -- except that the InstEnv components is empty
- pcsInsts :: InstEnv, -- The total InstEnv accumulated from all
- -- the non-home-package modules
- pcsRules :: RuleEnv, -- Ditto RuleEnv
+ pcs_PST :: PackageSymbolTable, -- Domain = non-home-package modules
+ -- except that the InstEnv components is empty
+ pcs_insts :: InstEnv, -- The total InstEnv accumulated from all
+ -- the non-home-package modules
+ pcs_rules :: RuleEnv, -- Ditto RuleEnv
- pcsPRS :: PersistentRenamerState
+ pcs_PRS :: PersistentRenamerState
}
\end{code}
* A name supply, which deals with allocating unique names to
(Module,OccName) original names,
- * An accumulated InstEnv from all the modules in pcsPST
+ * An accumulated InstEnv from all the modules in pcs_PST
The point is that we don't want to keep recreating it whenever
we compile a new module. The InstEnv component of pcPST is empty.
(This means we might "see" instances that we shouldn't "really" see;
-- generate Linkables.
data HscResult
- = HscOK ModDetails -- new details (HomeSymbolTable additions)
- (Maybe ModIFace) -- new iface (if any compilation was done)
- (Maybe String) -- generated stub_h
- (Maybe String) -- generated stub_c
- PersistentCompilerState -- updated PCS
- [SDoc] -- warnings
-
- | HscErrs PersistentCompilerState -- updated PCS
- [SDoc] -- errors
- [SDoc] -- warnings
-
-
+ = HscOK ModDetails -- new details (HomeSymbolTable additions)
+ (Maybe ModIFace) -- new iface (if any compilation was done)
+ (Maybe String) -- generated stub_h filename (in /tmp)
+ (Maybe String) -- generated stub_c filename (in /tmp)
+ (Maybe [UnlinkedIBind]) -- interpreted code, if any
+ PersistentCompilerState -- updated PCS
+ (Bag WarnMsg) -- warnings
+
+ | HscErrs PersistentCompilerState -- updated PCS
+ (Bag ErrMsg) -- errors
+ (Bag WarnMsg) -- warnings
+
-- These two are only here to avoid recursion between CmCompile and
-- CompManager. They really ought to be in the latter.
type ModuleEnv a = UniqFM a -- Domain is Module
ImportReason
PrintUnqualified
+{-
+Moved here from Name.
+pp_prov (LocalDef _ Exported) = char 'x'
+pp_prov (LocalDef _ NotExported) = char 'l'
+pp_prov (NonLocalDef ImplicitImport _) = char 'j'
+pp_prov (NonLocalDef (UserImport _ _ True ) _) = char 'I' -- Imported by name
+pp_prov (NonLocalDef (UserImport _ _ False) _) = char 'i' -- Imported by ..
+pp_prov SystemProv = char 's'
+-}
+
data ImportReason
= UserImport Module SrcLoc Bool -- Imported from module M on line L
-- Note the M may well not be the defining module
hasBetterProv _ _ = False
pprNameProvenance :: Name -> Provenance -> SDoc
-pprProvenance name LocalDef = ptext SLIT("defined at") <+> ppr (nameSrcLoc name)
-pprProvenance name (NonLocalDef why _) = sep [ppr_reason why,
+pprNameProvenance name LocalDef = ptext SLIT("defined at") <+> ppr (nameSrcLoc name)
+pprNameProvenance name (NonLocalDef why _) = sep [ppr_reason why,
nest 2 (parens (ppr_defn (nameSrcLoc name)))]
ppr_reason ImplicitImport = ptext SLIT("implicitly imported")
projects / ghc-hetmet.git / blobdiff