\begin{code}
module HscMain (
- HscResult(..), hscMain, newHscEnv, hscCmmFile, hscBufferFrontEnd
+ HscResult(..), HscCheckResult(..) ,
+ hscMain, newHscEnv, hscCmmFile, hscBufferFrontEnd
#ifdef GHCI
, hscStmt, hscTcExpr, hscKcType
, hscGetInfo, GetInfoResult
import CorePrep ( corePrepExpr )
import Flattening ( flattenExpr )
import TcRnDriver ( tcRnStmt, tcRnExpr, tcRnGetInfo, tcRnType )
-import RdrName ( RdrName, rdrNameOcc )
+import RdrName ( rdrNameOcc )
import OccName ( occNameUserString )
import Type ( Type )
import PrelNames ( iNTERACTIVE )
import StringBuffer ( stringToStringBuffer )
-import SrcLoc ( SrcLoc, noSrcLoc, Located(..) )
import Kind ( Kind )
import Var ( Id )
import CoreLint ( lintUnfolding )
import BasicTypes ( Fixity )
#endif
+import RdrName ( RdrName )
+import HsSyn ( HsModule )
+import SrcLoc ( SrcLoc, noSrcLoc, Located(..) )
import StringBuffer ( hGetStringBuffer )
import Parser
import Lexer ( P(..), ParseResult(..), mkPState )
import SrcLoc ( mkSrcLoc )
import TcRnDriver ( tcRnModule, tcRnExtCore )
+import TcRnTypes ( TcGblEnv )
import TcIface ( typecheckIface )
import IfaceEnv ( initNameCache )
import LoadIface ( ifaceStats, initExternalPackageState )
= HscFail
-- In IDE mode: we just do the static/dynamic checks
- | HscChecked
+ | HscChecked HscCheckResult
-- Concluded that it wasn't necessary
| HscNoRecomp ModDetails -- new details (HomeSymbolTable additions)
(Maybe CompiledByteCode)
+-- The result when we're just checking (in an IDE editor, for example)
+data HscCheckResult
+ = HscParsed (Located (HsModule RdrName))
+ -- renaming/typechecking failed, here's the parse tree
+ | HscTypechecked TcGblEnv
+ -- renaming/typechecking succeeded
+
-- What to do when we have compiler error or warning messages
type MessageAction = Messages -> IO ()
mod location (Just old_iface)
| isOneShot (hsc_mode hsc_env)
= do {
- when (verbosity (hsc_dflags hsc_env) > 0) $
- hPutStrLn stderr "compilation IS NOT required";
+ compilationProgressMsg (hsc_dflags hsc_env) $
+ "compilation IS NOT required";
dumpIfaceStats hsc_env ;
let { bomb = panic "hscNoRecomp:OneShot" };
}
| otherwise
= do {
- when (verbosity (hsc_dflags hsc_env) >= 1) $
- hPutStrLn stderr ("Skipping " ++
- showModMsg have_object mod location);
+ compilationProgressMsg (hsc_dflags hsc_env) $
+ ("Skipping " ++ showModMsg have_object mod location);
new_details <- _scc_ "tcRnIface"
typecheckIface hsc_env old_iface ;
; let toCore = isJust (ml_hs_file location) &&
isExtCoreFilename (fromJust (ml_hs_file location))
- ; when (not one_shot && verbosity dflags >= 1) $
- hPutStrLn stderr ("Compiling " ++
- showModMsg (not toInterp) mod location);
+ ; when (not one_shot) $
+ compilationProgressMsg dflags $
+ ("Compiling " ++ showModMsg (not toInterp) mod location);
; front_res <- if toCore then
hscCoreFrontEnd hsc_env msg_act location
-------------------
; inp <- readFile (expectJust "hscCoreFrontEnd:hspp" (ml_hspp_file location))
; case parseCore inp 1 of
- FailP s -> hPutStrLn stderr s >> return (Left HscFail)
+ FailP s -> putMsg s{-ToDo: wrong-} >> return (Left HscFail)
OkP rdr_module -> do {
-------------------
hscBufferFrontEnd :: HscEnv -> StringBuffer -> MessageAction -> IO HscResult
hscBufferFrontEnd hsc_env buffer msg_act = do
let loc = mkSrcLoc (mkFastString "*edit*") 1 0
+ showPass (hsc_dflags hsc_env) "Parser"
case unP parseModule (mkPState buffer loc (hsc_dflags hsc_env)) of
PFailed span err -> do
- msg_act (emptyBag, unitBag (mkPlainErrMsg span err))
- return HscFail
- POk _ rdr_module -> do
- r <- hscFrontEnd hsc_env msg_act rdr_module
- case r of
- Left r -> return r
- Right _ -> return HscChecked
-
+ msg_act (emptyBag, unitBag (mkPlainErrMsg span err))
+ return HscFail
+ POk _ rdr_module -> do
+ hscBufferTypecheck hsc_env rdr_module msg_act
+
+hscBufferTypecheck hsc_env rdr_module msg_act = do
+ (tc_msgs, maybe_tc_result) <- _scc_ "Typecheck-Rename"
+ tcRnModule hsc_env rdr_module
+ msg_act tc_msgs
+ case maybe_tc_result of
+ Nothing -> return (HscChecked (HscParsed rdr_module))
+ -- space leak on rdr_module!
+ Just r -> return (HscChecked (HscTypechecked r))
hscFrontEnd hsc_env msg_act rdr_module = do {
Nothing -> return Nothing ; -- Parse error
Just (Just (L _ (ExprStmt expr _)))
-> tcRnExpr hsc_env icontext expr ;
- Just other -> do { hPutStrLn stderr ("not an expression: `" ++ expr ++ "'") ;
+ Just other -> do { errorMsg ("not an expression: `" ++ expr ++ "'") ;
return Nothing } ;
} }
= do { maybe_type <- hscParseType (hsc_dflags hsc_env) str
; case maybe_type of {
Just ty -> tcRnType hsc_env icontext ty ;
- Just other -> do { hPutStrLn stderr ("not an type: `" ++ str ++ "'") ;
+ Just other -> do { errorMsg ("not an type: `" ++ str ++ "'") ;
return Nothing } ;
Nothing -> return Nothing } }
\end{code}