import HsSyn
import RdrHsSyn
import RnHsSyn ( RenamedFixitySig )
+import HscTypes ( Finder,
+ AvailEnv, lookupTypeEnv,
+ OrigNameEnv(..), OrigNameNameEnv, OrigNameIParamEnv,
+ WhetherHasOrphans, ImportVersion,
+ PersistentRenamerState(..), IsBootInterface, Avails,
+ DeclsMap, IfaceInsts, IfaceRules,
+ HomeSymbolTable, PackageSymbolTable,
+ PersistentCompilerState(..), GlobalRdrEnv,
+ HomeIfaceTable, PackageIfaceTable,
+ RdrAvailInfo, ModIface )
import BasicTypes ( Version, defaultFixity )
import ErrUtils ( addShortErrLocLine, addShortWarnLocLine,
pprBagOfErrors, ErrMsg, WarnMsg, Message
)
-import RdrName ( RdrName, dummyRdrVarName, rdrNameOcc,
+import RdrName ( RdrName, dummyRdrVarName, rdrNameModule, rdrNameOcc,
RdrNameEnv, emptyRdrEnv, extendRdrEnv,
lookupRdrEnv, addListToRdrEnv, rdrEnvToList, rdrEnvElts
)
import Name ( Name, OccName, NamedThing(..), getSrcLoc,
isLocallyDefinedName, nameModule, nameOccName,
- decode, mkLocalName, mkUnboundName,
- NameEnv, lookupNameEnv, emptyNameEnv, unitNameEnv, extendNameEnvList
- )
-import Module ( Module, ModuleName, ModuleHiMap, SearchPath, WhereFrom,
- mkModuleHiMaps, moduleName, mkSearchPath
+ decode, mkLocalName, mkKnownKeyGlobal,
+ NameEnv, lookupNameEnv, emptyNameEnv, unitNameEnv,
+ extendNameEnvList
)
+import Module ( Module, ModuleName, lookupModuleEnvByName )
import NameSet
-import CmdLineOpts ( opt_D_dump_rn_trace, opt_HiMap )
-import PrelInfo ( builtinNames )
-import SrcLoc ( SrcLoc, mkGeneratedSrcLoc )
+import CmdLineOpts ( DynFlags, DynFlag(..), dopt )
+import SrcLoc ( SrcLoc, generatedSrcLoc )
import Unique ( Unique )
-import FiniteMap ( FiniteMap, emptyFM, bagToFM )
-import Bag ( Bag, mapBag, emptyBag, isEmptyBag, snocBag )
+import FiniteMap ( FiniteMap, emptyFM )
+import Bag ( Bag, emptyBag, isEmptyBag, snocBag )
import UniqSupply
import Outputable
+import PrelNames ( mkUnboundName )
+import Maybes ( maybeToBool, seqMaybe, orElse )
infixr 9 `thenRn`, `thenRn_`
\end{code}
(\ err -> return (Left err))
traceRn :: SDoc -> RnM d ()
-traceRn msg | opt_D_dump_rn_trace = putDocRn msg
- | otherwise = returnRn ()
+traceRn msg
+ = doptRn Opt_D_dump_rn_trace `thenRn` \b ->
+ if b then putDocRn msg else returnRn ()
putDocRn :: SDoc -> RnM d ()
putDocRn msg = ioToRnM (printErrs msg) `thenRn_`
type RnMG r = RnM () r -- Getting global names etc
-- Common part
-data RnDown = RnDown {
- rn_mod :: Module,
- rn_loc :: SrcLoc,
- rn_ns :: IORef RnNameSupply,
- rn_errs :: IORef (Bag WarnMsg, Bag ErrMsg),
- rn_ifaces :: IORef Ifaces,
- rn_hi_maps :: (SearchPath, -- For error messages
- ModuleHiMap, -- for .hi files
- ModuleHiMap) -- for .hi-boot files
- }
+data RnDown
+ = RnDown {
+ rn_mod :: Module, -- This module
+ rn_loc :: SrcLoc, -- Current locn
+
+ rn_finder :: Finder,
+ rn_dflags :: DynFlags,
+
+ rn_hit :: HomeIfaceTable,
+ rn_done :: Name -> Bool, -- Tells what things (both in the
+ -- home package and other packages)
+ -- were already available (i.e. in
+ -- the relevant SymbolTable) before
+ -- compiling this module
+
+ rn_errs :: IORef (Bag WarnMsg, Bag ErrMsg),
+
+ -- The second and third components are a flattened-out OrigNameEnv
+ rn_ns :: IORef (UniqSupply, OrigNameNameEnv, OrigNameIParamEnv),
+ rn_ifaces :: IORef Ifaces
+ }
-- For renaming source code
data SDown = SDown {
rn_mode :: RnMode,
- rn_genv :: GlobalRdrEnv,
- -- Global envt; the fixity component gets extended
- -- with local fixity decls
+ rn_genv :: GlobalRdrEnv, -- Global envt
rn_lenv :: LocalRdrEnv, -- Local name envt
-- Does *not* include global name envt; may shadow it
-- We still need the unsullied global name env so that
-- we can look up record field names
- rn_fixenv :: FixityEnv -- Local fixities
+ rn_fixenv :: LocalFixityEnv -- Local fixities
-- The global fixities are held in the
-- rn_ifaces field. Why? See the comments
- -- with RnIfaces.lookupFixity
+ -- with RnIfaces.lookupLocalFixity
}
data RnMode = SourceMode -- Renaming source code
\begin{code}
--------------------------------
-type GlobalRdrEnv = RdrNameEnv [Name] -- The list is because there may be name clashes
- -- These only get reported on lookup,
- -- not on construction
-type LocalRdrEnv = RdrNameEnv Name
-
---------------------------------
-type FixityEnv = NameEnv RenamedFixitySig
+type LocalRdrEnv = RdrNameEnv Name
+type LocalFixityEnv = NameEnv RenamedFixitySig
-- We keep the whole fixity sig so that we
-- can report line-number info when there is a duplicate
-- fixity declaration
-lookupFixity :: FixityEnv -> Name -> Fixity
-lookupFixity env name
+lookupLocalFixity :: LocalFixityEnv -> Name -> Fixity
+lookupLocalFixity env name
= case lookupNameEnv env name of
Just (FixitySig _ fix _) -> fix
Nothing -> defaultFixity
-
---------------------------------
-type DeprecationEnv = NameEnv DeprecTxt
\end{code}
\begin{code}
---------------------------------
-type RnNameSupply
- = ( UniqSupply
-
- , FiniteMap (ModuleName, OccName) Name
- -- Ensures that one (module,occname) pair gets one unique
- , FiniteMap OccName Name
- -- Ensures that one implicit parameter name gets one unique
- )
-
-
---------------------------------
-type Avails = [AvailInfo]
-
type ExportAvails = (FiniteMap ModuleName Avails,
-- Used to figure out "module M" export specifiers
-- Includes avails only from *unqualified* imports
-- (see 1.4 Report Section 5.1.1)
AvailEnv) -- Used to figure out all other export specifiers.
-
-
-data GenAvailInfo name = Avail name -- An ordinary identifier
- | AvailTC name -- The name of the type or class
- [name] -- The available pieces of type/class.
- -- NB: If the type or class is itself
- -- to be in scope, it must be in this list.
- -- Thus, typically: AvailTC Eq [Eq, ==, /=]
- deriving( Eq )
- -- Equality used when deciding if the interface has changed
-
-type AvailEnv = NameEnv AvailInfo -- Maps a Name to the AvailInfo that contains it
-type AvailInfo = GenAvailInfo Name
-type RdrAvailInfo = GenAvailInfo OccName
\end{code}
%===================================================
%===================================================
\begin{code}
-type ExportItem = (ModuleName, [RdrAvailInfo])
-
-type ImportVersion name = (ModuleName, WhetherHasOrphans, IsBootInterface, WhatsImported name)
-
-type ModVersionInfo = (Version, -- Version of the whole module
- Version, -- Version number for all fixity decls together
- Version) -- ...ditto all rules together
-
-type WhetherHasOrphans = Bool
- -- An "orphan" is
- -- * an instance decl in a module other than the defn module for
- -- one of the tycons or classes in the instance head
- -- * a transformation rule in a module other than the one defining
- -- the function in the head of the rule.
-
-type IsBootInterface = Bool
-
-data WhatsImported name = NothingAtAll -- The module is below us in the
- -- hierarchy, but we import nothing
-
- | Everything Version -- The module version
-
- | Specifically Version -- Module version
- Version -- Fixity version
- Version -- Rules version
- [(name,Version)] -- List guaranteed non-empty
- deriving( Eq )
- -- 'Specifically' doesn't let you say "I imported f but none of the fixities in
- -- the module. If you use anything in the module you get its fixity and rule version
- -- So if the fixities or rules change, you'll recompile, even if you don't use either.
- -- This is easy to implement, and it's safer: you might not have used the rules last
- -- time round, but if someone has added a new rule you might need it this time
-
- -- 'Everything' means there was a "module M" in
- -- this module's export list, so we just have to go by M's version,
- -- not the list of (name,version) pairs
+type ExportItem = (ModuleName, [RdrAvailInfo])
data ParsedIface
= ParsedIface {
pi_vers :: Version, -- Module version number
pi_orphan :: WhetherHasOrphans, -- Whether this module has orphans
pi_usages :: [ImportVersion OccName], -- Usages
- pi_exports :: [ExportItem], -- Exports
+ pi_exports :: (Version, [ExportItem]), -- Exports
pi_insts :: [RdrNameInstDecl], -- Local instance declarations
pi_decls :: [(Version, RdrNameHsDecl)], -- Local definitions
- pi_fixity :: (Version, [RdrNameFixitySig]), -- Local fixity declarations, with their version
+ pi_fixity :: [RdrNameFixitySig], -- Local fixity declarations,
pi_rules :: (Version, [RdrNameRuleDecl]), -- Rules, with their version
pi_deprecs :: [RdrNameDeprecation] -- Deprecations
}
+\end{code}
+%************************************************************************
+%* *
+\subsection{The renamer state}
+%* *
+%************************************************************************
-type RdrNamePragma = () -- Fudge for now
--------------------
-
+\begin{code}
data Ifaces = Ifaces {
- iImpModInfo :: ImportedModuleInfo,
- -- Modules this one depends on: that is, the union
- -- of the modules its *direct* imports depend on.
- -- NB: The direct imports have .hi files that enumerate *all* the
- -- dependencies (direct or not) of the imported module.
-
- iDecls :: DeclsMap, -- A single, global map of Names to decls
+ -- PERSISTENT FIELDS
+ iPIT :: PackageIfaceTable,
+ -- The ModuleIFaces for modules in other packages
+ -- whose interfaces we have opened
+ -- The declarations in these interface files are held in
+ -- iDecls, iInsts, iRules (below), not in the mi_decls fields
+ -- of the iPIT. What _is_ in the iPIT is:
+ -- * The Module
+ -- * Version info
+ -- * Its exports
+ -- * Fixities
+ -- * Deprecations
+ -- The iPIT field is initialised from the compiler's persistent
+ -- package symbol table, and the renamer incrementally adds
+ -- to it.
+
+ iDecls :: DeclsMap,
+ -- A single, global map of Names to unslurped decls
+
+ iInsts :: IfaceInsts,
+ -- The as-yet un-slurped instance decls; this bag is depleted when we
+ -- slurp an instance decl so that we don't slurp the same one twice.
+ -- Each is 'gated' by the names that must be available before
+ -- this instance decl is needed.
- iDeferred :: NameSet, -- data (not newtype) TyCons that have been slurped,
- -- but none of their constructors have.
- -- If this is still the case right at the end
- -- we can get away with importing them abstractly
+ iRules :: IfaceRules,
+ -- Similar to instance decls, only for rules
- iFixes :: FixityEnv,
- -- A single, global map of Names to fixities
- -- See comments with RnIfaces.lookupFixity
+ -- EPHEMERAL FIELDS
+ -- These fields persist during the compilation of a single module only
+ iImpModInfo :: ImportedModuleInfo,
+ -- Modules this one depends on: that is, the union
+ -- of the modules its *direct* imports depend on.
+ -- NB: The direct imports have .hi files that enumerate *all* the
+ -- dependencies (direct or not) of the imported module.
- iSlurp :: NameSet,
+ iSlurp :: NameSet,
-- All the names (whether "big" or "small", whether wired-in or not,
-- whether locally defined or not) that have been slurped in so far.
- iVSlurp :: [(Name,Version)],
+ iVSlurp :: [Name]
-- All the (a) non-wired-in (b) "big" (c) non-locally-defined
-- names that have been slurped in so far, with their versions.
-- This is used to generate the "usage" information for this module.
-- Subset of the previous field.
+ -- It's worth keeping separately, because there's no very easy
+ -- way to distinguish the "big" names from the "non-big" ones.
+ -- But this is a decision we might want to revisit.
+ }
- iInsts :: IfaceInsts,
- -- The as-yet un-slurped instance decls; this bag is depleted when we
- -- slurp an instance decl so that we don't slurp the same one twice.
- -- Each is 'gated' by the names that must be available before
- -- this instance decl is needed.
-
- iRules :: IfaceRules,
- -- Similar to instance decls, only for rules
-
- iDeprecs :: DeprecationEnv
- }
-
-type IfaceInsts = Bag GatedDecl
-type IfaceRules = Bag GatedDecl
-
-type GatedDecl = (NameSet, (Module, RdrNameHsDecl))
-
-type ImportedModuleInfo
- = FiniteMap ModuleName (WhetherHasOrphans, IsBootInterface,
- Maybe (Module, Version, Version, Version, WhereFrom, Avails))
- -- The three Versions are module version, fixity version, rules version
-
- -- Suppose the domain element is module 'A'
- --
- -- The first Bool is True if A contains
- -- 'orphan' rules or instance decls
-
- -- The second Bool is true if the interface file actually
- -- read was an .hi-boot file
-
- -- Nothing => A's interface not yet read, but this module has
- -- imported a module, B, that itself depends on A
- --
- -- Just xx => A's interface has been read. The Module in
- -- the Just has the correct Dll flag
-
- -- This set is used to decide whether to look for
- -- A.hi or A.hi-boot when importing A.f.
- -- Basically, we look for A.hi if A is in the map, and A.hi-boot
- -- otherwise
-
-type DeclsMap = NameEnv (Version, AvailInfo, Bool, (Module, RdrNameHsDecl))
- -- A DeclsMap contains a binding for each Name in the declaration
- -- including the constructors of a type decl etc.
- -- The Bool is True just for the 'main' Name.
+type ImportedModuleInfo = FiniteMap ModuleName
+ (WhetherHasOrphans, IsBootInterface, IsLoaded)
+type IsLoaded = Bool
\end{code}
%************************************************************************
\begin{code}
-initRn :: Module -> UniqSupply -> SearchPath -> SrcLoc
- -> RnMG r
- -> IO (r, Bag ErrMsg, Bag WarnMsg)
-
-initRn mod us dirs loc do_rn = do
- himaps <- mkModuleHiMaps dirs
- names_var <- newIORef (us, builtins, emptyFM)
- errs_var <- newIORef (emptyBag,emptyBag)
- iface_var <- newIORef emptyIfaces
- let
- rn_down = RnDown { rn_loc = loc, rn_ns = names_var,
- rn_errs = errs_var,
- rn_hi_maps = himaps,
- rn_ifaces = iface_var,
- rn_mod = mod }
-
+initRn :: DynFlags
+ -> Finder
+ -> HomeIfaceTable
+ -> HomeSymbolTable
+ -> PersistentCompilerState
+ -> Module
+ -> SrcLoc
+ -> RnMG t
+ -> IO (t, (Bag WarnMsg, Bag ErrMsg), PersistentCompilerState)
+
+initRn dflags finder hit hst pcs mod loc do_rn
+ = do
+ let prs = pcs_PRS pcs
+ let pst = pcs_PST pcs
+
+ uniqs <- mkSplitUniqSupply 'r'
+ names_var <- newIORef (uniqs, origNames (prsOrig prs),
+ origIParam (prsOrig prs))
+ errs_var <- newIORef (emptyBag,emptyBag)
+ iface_var <- newIORef (initIfaces pcs)
+ let rn_down = RnDown { rn_mod = mod,
+ rn_loc = loc,
+
+ rn_finder = finder,
+ rn_dflags = dflags,
+ rn_hit = hit,
+ rn_done = is_done hst pst,
+
+ rn_ns = names_var,
+ rn_errs = errs_var,
+ rn_ifaces = iface_var,
+ }
+
-- do the business
- res <- do_rn rn_down ()
-
- -- grab errors and return
- (warns, errs) <- readIORef errs_var
-
- return (res, errs, warns)
+ res <- do_rn rn_down ()
+
+ -- Grab state and record it
+ (warns, errs) <- readIORef errs_var
+ new_ifaces <- readIORef iface_var
+ (_, new_origN, new_origIP) <- readIORef names_var
+ let new_orig = Orig { origNames = new_origN, origIParam = new_origIP }
+ let new_prs = prs { prsOrig = new_orig,
+ prsDecls = iDecls new_ifaces,
+ prsInsts = iInsts new_ifaces,
+ prsRules = iRules new_ifaces }
+ let new_pcs = pcs { pcs_PIT = iPIT new_ifaces,
+ pcs_PRS = new_prs }
+
+ return (res, (warns, errs), new_pcs)
+
+is_done :: HomeSymbolTable -> PackageSymbolTable -> Name -> Bool
+-- Returns True iff the name is in either symbol table
+is_done hst pst n = maybeToBool (lookupTypeEnv pst n `seqMaybe` lookupTypeEnv hst n)
+
+lookupIface :: HomeIfaceTable -> PackageIfaceTable -> ModuleName -> ModIface
+lookupIface hit pit mod = lookupModuleEnvByName hit mod `orElse`
+ lookupModuleEnvByName pit mod `orElse`
+ pprPanic "lookupIface" (ppr mod)
+
+initIfaces :: PersistentCompilerState -> Ifaces
+initIfaces (PCS { pcs_PIT = pit, pcs_PRS = prs })
+ = Ifaces { iPIT = pit,
+ iDecls = prsDecls prs,
+ iInsts = prsInsts prs,
+ iRules = prsRules prs,
+
+ iImpModInfo = emptyFM,
+ iSlurp = unitNameSet (mkUnboundName dummyRdrVarName),
+ -- Pretend that the dummy unbound name has already been
+ -- slurped. This is what's returned for an out-of-scope name,
+ -- and we don't want thereby to try to suck it in!
+ iVSlurp = []
+ }
-initRnMS :: GlobalRdrEnv -> FixityEnv -> RnMode -> RnMS r -> RnM d r
+initRnMS :: GlobalRdrEnv -> LocalFixityEnv -> RnMode -> RnMS r -> RnM d r
initRnMS rn_env fixity_env mode thing_inside rn_down g_down
= let
s_down = SDown { rn_genv = rn_env, rn_lenv = emptyRdrEnv,
= initRnMS emptyRdrEnv emptyNameEnv InterfaceMode $
setModuleRn mod thing_inside
-emptyIfaces :: Ifaces
-emptyIfaces = Ifaces { iImpModInfo = emptyFM,
- iDecls = emptyNameEnv,
- iDeferred = emptyNameSet,
- iFixes = emptyNameEnv,
- iSlurp = unitNameSet (mkUnboundName dummyRdrVarName),
- -- Pretend that the dummy unbound name has already been
- -- slurped. This is what's returned for an out-of-scope name,
- -- and we don't want thereby to try to suck it in!
- iVSlurp = [],
- iInsts = emptyBag,
- iRules = emptyBag,
- iDeprecs = emptyNameEnv
- }
-
-builtins :: FiniteMap (ModuleName,OccName) Name
-builtins =
- bagToFM (
- mapBag (\ name -> ((moduleName (nameModule name), nameOccName name), name))
- builtinNames)
\end{code}
@renameSourceCode@ is used to rename stuff ``out-of-line'';
Sole examples: derived definitions,
which are only generated in the type checker.
-The @RnNameSupply@ includes a @UniqueSupply@, so if you call it more than
+The @NameSupply@ includes a @UniqueSupply@, so if you call it more than
once you must either split it, or install a fresh unique supply.
\begin{code}
-renameSourceCode :: Module
- -> RnNameSupply
+renameSourceCode :: DynFlags
+ -> Module
+ -> PersistentRenamerState
-> RnMS r
-> r
-renameSourceCode mod name_supply m
+renameSourceCode dflags mod prs m
= unsafePerformIO (
-- It's not really unsafe! When renaming source code we
-- only do any I/O if we need to read in a fixity declaration;
-- and that doesn't happen in pragmas etc
- mkModuleHiMaps (mkSearchPath opt_HiMap) >>= \ himaps ->
- newIORef name_supply >>= \ names_var ->
- newIORef (emptyBag,emptyBag) >>= \ errs_var ->
+ mkSplitUniqSupply 'r' >>= \ new_us ->
+ newIORef (new_us, origNames (prsOrig prs),
+ origIParam (prsOrig prs)) >>= \ names_var ->
+ newIORef (emptyBag,emptyBag) >>= \ errs_var ->
let
- rn_down = RnDown { rn_loc = mkGeneratedSrcLoc, rn_ns = names_var,
- rn_errs = errs_var, rn_hi_maps = himaps,
+ rn_down = RnDown { rn_dflags = dflags,
+ rn_loc = generatedSrcLoc, rn_ns = names_var,
+ rn_errs = errs_var,
rn_mod = mod,
- rn_ifaces = panic "rnameSourceCode: rn_ifaces" -- Not required
+ rn_done = bogus "rn_done", rn_hit = bogus "rn_hit",
+ rn_ifaces = bogus "rn_ifaces", rn_finder = bogus "rn_finder"
}
s_down = SDown { rn_mode = InterfaceMode,
-- So that we can refer to PrelBase.True etc
where
display errs = pprBagOfErrors errs
+bogus s = panic ("rnameSourceCode: " ++ s) -- Used for unused record fields
+
{-# INLINE thenRn #-}
{-# INLINE thenRn_ #-}
{-# INLINE returnRn #-}
checkErrsRn (RnDown {rn_errs = errs_var}) l_down
= readIORef errs_var >>= \ (warns,errs) ->
return (isEmptyBag errs)
+
+doptRn :: DynFlag -> RnM d Bool
+doptRn dflag (RnDown { rn_dflags = dflags}) l_down
+ = return (dopt dflag dflags)
+
+getDOptsRn :: RnM d DynFlags
+getDOptsRn (RnDown { rn_dflags = dflags}) l_down
+ = return dflags
\end{code}
%================
-\subsubsection{ Source location}
+\subsubsection{Source location}
%=====================
\begin{code}
\end{code}
%================
-\subsubsection{ Name supply}
+\subsubsection{The finder and home symbol table}
%=====================
\begin{code}
-getNameSupplyRn :: RnM d RnNameSupply
+getFinderRn :: RnM d Finder
+getFinderRn down l_down = return (rn_finder down)
+
+getHomeIfaceTableRn :: RnM d HomeIfaceTable
+getHomeIfaceTableRn down l_down = return (rn_hit down)
+
+checkAlreadyAvailable :: Name -> RnM d Bool
+checkAlreadyAvailable name down l_down = return (rn_done down name)
+\end{code}
+
+%================
+\subsubsection{Name supply}
+%=====================
+
+\begin{code}
+getNameSupplyRn :: RnM d (UniqSupply, OrigNameNameEnv, OrigNameIParamEnv)
getNameSupplyRn rn_down l_down
= readIORef (rn_ns rn_down)
-setNameSupplyRn :: RnNameSupply -> RnM d ()
+setNameSupplyRn :: (UniqSupply, OrigNameNameEnv, OrigNameIParamEnv) -> RnM d ()
setNameSupplyRn names' (RnDown {rn_ns = names_var}) l_down
= writeIORef names_var names'
%=====================
\begin{code}
-getNameEnvs :: RnMS (GlobalRdrEnv, LocalRdrEnv)
-getNameEnvs rn_down (SDown {rn_genv = global_env, rn_lenv = local_env})
- = return (global_env, local_env)
-
getLocalNameEnv :: RnMS LocalRdrEnv
getLocalNameEnv rn_down (SDown {rn_lenv = local_env})
= return local_env
setLocalNameEnv local_env' m rn_down l_down
= m rn_down (l_down {rn_lenv = local_env'})
-getFixityEnv :: RnMS FixityEnv
+getFixityEnv :: RnMS LocalFixityEnv
getFixityEnv rn_down (SDown {rn_fixenv = fixity_env})
= return fixity_env
setIfacesRn :: Ifaces -> RnM d ()
setIfacesRn ifaces (RnDown {rn_ifaces = iface_var}) _
= writeIORef iface_var ifaces
-
-getHiMaps :: RnM d (SearchPath, ModuleHiMap, ModuleHiMap)
-getHiMaps (RnDown {rn_hi_maps = himaps}) _
- = return himaps
-\end{code}
\end{code}
projects / ghc-hetmet.git / blobdiff