\begin{code}
module HscTypes (
ModDetails(..), GlobalSymbolTable,
+ HomeSymbolTable, PackageSymbolTable,
TyThing(..), lookupTypeEnv,
WhetherHasOrphans, ImportVersion, ExportItem,
PersistentRenamerState(..), IsBootInterface, Avails, DeclsMap,
- IfaceInsts, IfaceRules, DeprecationEnv, OrigNameEnv, AvailEnv,
+ IfaceInsts, IfaceRules, DeprecationEnv, OrigNameEnv,
+ AvailEnv, AvailInfo, GenAvailInfo(..),
+ PersistentCompilerState(..),
InstEnv,
- -- Provenance
+ GlobalRdrEnv, RdrAvailInfo,
+
+ -- 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 NameSet ( NameSet )
import Type ( Type )
import VarSet ( TyVarSet )
-import {-# SOURCE #-}
- TcInstUtil ( emptyInstEnv )
import Panic ( panic )
+import Outputable
+import SrcLoc ( SrcLoc, isGoodSrcLoc )
\end{code}
%************************************************************************
\begin{code}
data ModDetails
= ModDetails {
- moduleId :: Module,
- moduleExports :: Avails, -- What it exports
- mdVersion :: VersionInfo,
- moduleEnv :: GlobalRdrEnv, -- Its top level environment
+ md_id :: Module,
+ md_exports :: Avails, -- What it exports
+ md_version :: VersionInfo,
+ md_globals :: GlobalRdrEnv, -- Its top level environment
- fixityEnv :: NameEnv Fixity,
- deprecEnv :: NameEnv DeprecTxt,
- typeEnv :: TypeEnv,
+ md_fixities :: NameEnv Fixity,
+ md_deprecs :: NameEnv DeprecTxt,
+ md_types :: TypeEnv,
- mdInsts :: [DFunId], -- Dfun-ids for the instances in this module
- mdRules :: RuleEnv -- Domain may include Id from other modules
+ md_insts :: [DFunId], -- Dfun-ids for the instances in this module
+ md_rules :: RuleEnv -- Domain may include Id from other modules
}
emptyModDetails :: Module -> ModDetails
emptyModDetails mod
- = ModDetails { moduleId = mod,
- moduleExports = [],
- moduleEnv = emptyRdrEnv,
- fixityEnv = emptyNameEnv,
- deprecEnv = emptyNameEnv,
- typeEnv = emptyNameEnv,
- mdInsts = [],
- mdRules = emptyRuleEnv
+ = ModDetails { md_id = 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 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
+ = 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)
+ PersistentCompilerState -- updated PCS
+ [SDoc] -- warnings
- | HscErrs PersistentCompilerState -- updated PCS
- [SDoc] -- errors
- [SDoc] -- warnings
+ | HscErrs PersistentCompilerState -- updated PCS
+ [SDoc] -- errors
+ [SDoc] -- warnings
-- These two are only here to avoid recursion between CmCompile and
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")