import CmdLineOpts ( DynFlag(..), opt_PprStyle_Debug, dopt )
import DriverState ( v_MainModIs, v_MainFunIs )
-import DriverUtil ( split_longest_prefix )
import HsSyn ( HsModule(..), HsBinds(..), MonoBinds(..), HsExpr(..),
Stmt(..), Pat(VarPat), HsStmtContext(..), RuleDecl(..),
HsGroup(..), SpliceDecl(..),
import RdrHsSyn ( RdrNameHsModule, RdrNameHsDecl, RdrNameStmt, RdrNameHsExpr,
emptyGroup, mkGroup, findSplice, addImpDecls, main_RDR_Unqual )
-import PrelNames ( iNTERACTIVE, ioTyConName, printName,
- returnIOName, bindIOName, failIOName, thenIOName, runIOName,
- dollarMainName, itName, mAIN_Name, unsafeCoerceName
+import PrelNames ( iNTERACTIVE, ioTyConName, printName, monadNames,
+ returnIOName, runIOName,
+ rootMainName, itName, mAIN_Name, unsafeCoerceName
)
-import MkId ( unsafeCoerceId )
import RdrName ( RdrName, getRdrName, mkRdrUnqual,
lookupRdrEnv, elemRdrEnv )
import TcExpr ( tcInferRho, tcCheckRho )
import TcRnMonad
-import TcMType ( newTyVarTy, zonkTcType )
-import TcType ( Type, liftedTypeKind,
+import TcType ( Type,
tyVarsOfType, tcFunResultTy, tidyTopType,
mkForAllTys, mkFunTys, mkTyConApp, tcSplitForAllTys
)
-import TcMatches ( tcStmtsAndThen, TcStmtCtxt(..) )
-import Inst ( showLIE )
+import Inst ( showLIE, tcStdSyntaxName )
import TcBinds ( tcTopBinds )
import TcClassDcl ( tcClassDecls2 )
import TcDefaults ( tcDefaults )
import TcForeign ( tcForeignImports, tcForeignExports )
import TcIfaceSig ( tcInterfaceSigs, tcCoreBinds )
import TcInstDcls ( tcInstDecls1, tcIfaceInstDecls, tcInstDecls2 )
-import TcSimplify ( tcSimplifyTop, tcSimplifyInfer )
+import TcSimplify ( tcSimplifyTop, tcSimplifyInteractive, tcSimplifyInfer )
import TcTyClsDecls ( tcTyAndClassDecls )
import RnNames ( importsFromLocalDecls, rnImports, exportsFromAvail,
import RnHiFiles ( readIface, loadOldIface )
import RnEnv ( lookupSrcName, lookupOccRn, plusGlobalRdrEnv,
ubiquitousNames, implicitModuleFVs, implicitStmtFVs, dataTcOccs )
-import RnExpr ( rnStmts, rnExpr )
import RnSource ( rnSrcDecls, checkModDeprec, rnStats )
import CoreUnfold ( unfoldingTemplate )
import CoreSyn ( IdCoreRule, Bind(..) )
import PprCore ( pprIdRules, pprCoreBindings )
-import TysWiredIn ( mkListTy, unitTy )
import ErrUtils ( mkDumpDoc, showPass, pprBagOfErrors )
import Id ( Id, mkLocalId, isLocalId, idName, idType, idUnfolding, setIdLocalExported )
-import IdInfo ( GlobalIdDetails(..) )
import Var ( Var, setGlobalIdDetails )
-import Module ( Module, ModuleName, mkHomeModule, mkModuleName, moduleName, moduleUserString, moduleEnvElts )
+import Module ( Module, mkHomeModule, mkModuleName, moduleName, moduleUserString, moduleEnvElts )
import OccName ( mkVarOcc )
import Name ( Name, isExternalName, getSrcLoc, nameOccName )
-import NameEnv ( delListFromNameEnv )
import NameSet
import TyCon ( tyConGenInfo )
import BasicTypes ( EP(..), RecFlag(..) )
-import SrcLoc ( noSrcLoc )
import Outputable
import HscTypes ( PersistentCompilerState(..), InteractiveContext(..),
ModIface, ModDetails(..), ModGuts(..),
extendLocalRdrEnv, emptyFixityEnv
)
#ifdef GHCI
+import TcMType ( zonkTcType )
+import TcMatches ( tcStmtsAndThen, TcStmtCtxt(..) )
import RdrName ( rdrEnvElts )
+import RnExpr ( rnStmts, rnExpr )
import RnHiFiles ( loadInterface )
import RnEnv ( mkGlobalRdrEnv )
+import TysWiredIn ( mkListTy, unitTy )
+import IdInfo ( GlobalIdDetails(..) )
+import SrcLoc ( noSrcLoc )
+import NameEnv ( delListFromNameEnv )
import HscTypes ( GlobalRdrElt(..), GlobalRdrEnv, ImportReason(..), Provenance(..),
isLocalGRE )
#endif
-import DATA_IOREF ( readIORef )
import FastString ( mkFastString )
import Panic ( showException )
import List ( partition )
setGblEnv tcg_env $ do {
-- The real work is done here
- ((bound_ids, tc_expr), lie) <- getLIE (tcUserStmt rn_stmt) ;
+ (bound_ids, tc_expr) <- tcUserStmt rn_stmt ;
traceTc (text "tcs 1") ;
let { -- Make all the bound ids "global" ids, now that
(ExplicitList placeHolderType (map mk_item names)) ;
mk_item name = HsApp (HsVar unsafeCoerceName) (HsVar name) ;
- all_stmts = stmts ++ [ret_stmt]
+ all_stmts = stmts ++ [ret_stmt] ;
+
+ io_ty = mkTyConApp ioTyCon []
} ;
-- OK, we're ready to typecheck the stmts
traceTc (text "tcs 2") ;
- ((ids, tc_stmts), lie) <-
- getLIE $
- tcStmtsAndThen combine stmt_ctxt all_stmts $
- do {
- -- Look up the names right in the middle,
- -- where they will all be in scope
- ids <- mappM tcLookupId names ;
- return (ids, [])
- } ;
+ ((ids, tc_expr), lie) <- getLIE $ do {
+ (ids, tc_stmts) <- tcStmtsAndThen combine stmt_ctxt all_stmts $
+ do {
+ -- Look up the names right in the middle,
+ -- where they will all be in scope
+ ids <- mappM tcLookupId names ;
+ return (ids, []) } ;
+ io_ids <- mappM (tcStdSyntaxName DoOrigin io_ty) monadNames ;
+ return (ids, HsDo DoExpr tc_stmts io_ids
+ (mkTyConApp ioTyCon [ret_ty]) noSrcLoc)
+ } ;
-- Simplify the context right here, so that we fail
-- if there aren't enough instances. Notably, when we see
-- and then let it = e
-- It's the simplify step that rejects the first.
traceTc (text "tcs 3") ;
- const_binds <- tcSimplifyTop lie ;
+ const_binds <- tcSimplifyInteractive lie ;
-- Build result expression and zonk it
- io_ids <- mappM mk_rebound
- [returnIOName, failIOName, bindIOName, thenIOName] ;
- let { expr = mkHsLet const_binds $
- HsDo DoExpr tc_stmts io_ids
- (mkTyConApp ioTyCon [ret_ty]) noSrcLoc } ;
+ let { expr = mkHsLet const_binds tc_expr } ;
zonked_expr <- zonkTopExpr expr ;
zonked_ids <- zonkTopBndrs ids ;
}
where
combine stmt (ids, stmts) = (ids, stmt:stmts)
- mk_rebound n = do { id <- tcLookupId n; return (n, HsVar id) }
- -- A bit hackoid
\end{code}
-- it might have a rank-2 type (e.g. :t runST)
((tc_expr, res_ty), lie) <- getLIE (tcInferRho rn_expr) ;
((qtvs, _, dict_ids), lie_top) <- getLIE (tcSimplifyInfer smpl_doc (tyVarsOfType res_ty) lie) ;
- tcSimplifyTop lie_top ;
+ tcSimplifyInteractive lie_top ;
let { all_expr_ty = mkForAllTys qtvs $
mkFunTys (map idType dict_ids) $
= initRn CmdLineMode $
setLocalRdrEnv (ic_rn_local_env ictxt) $
rn_thing
-#endif
+#endif /* GHCI */
\end{code}
%************************************************************************
-- rnSrcDecls handles fixity decls etc too, which won't occur
-- but that doesn't matter
let { local_group = mkGroup decls } ;
- (_, rn_decls, dus) <- initRn (InterfaceMode this_mod)
- (rnSrcDecls local_group) ;
+ (_, rn_src_decls, dus) <- initRn (InterfaceMode this_mod)
+ (rnSrcDecls local_group) ;
failIfErrsM ;
-- Get the supporting decls
rn_imp_decls <- slurpImpDecls (duUses dus) ;
- let { rn_decls = rn_decls `addImpDecls` rn_imp_decls } ;
+ let { rn_decls = rn_src_decls `addImpDecls` rn_imp_decls } ;
-- Dump trace of renaming part
rnDump (ppr rn_decls) ;
addErrCtxt mainCtxt $
setGblEnv tcg_env $ do {
- -- $main :: IO () = runIO main
+ -- :Main.main :: IO () = runIO main
let { rhs = HsApp (HsVar runIOName) (HsVar main_name) } ;
(main_expr, ty) <- tcInferRho rhs ;
- let { dollar_main_id = setIdLocalExported (mkLocalId dollarMainName ty) ;
- main_bind = VarMonoBind dollar_main_id main_expr ;
+ let { root_main_id = setIdLocalExported (mkLocalId rootMainName ty) ;
+ main_bind = VarMonoBind root_main_id main_expr ;
tcg_env' = tcg_env { tcg_binds = tcg_binds tcg_env
`andMonoBinds` main_bind } } ;
projects / ghc-hetmet.git / blobdiff