X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fparser%2FRdrHsSyn.lhs;h=9af7e2fafa3edff842acb396e7a3fc00081a2b23;hp=cacd14c27b4c2efc6f0956f3e4cc95fc1d9e6d2a;hb=d8b99b7e9b2ce9fd8ba97fa10657082ceac09c59;hpb=63489d40bdee972656ff115ab2309b809c0e39fc

diff --git a/compiler/parser/RdrHsSyn.lhs b/compiler/parser/RdrHsSyn.lhs
index cacd14c..9af7e2f 100644
--- a/compiler/parser/RdrHsSyn.lhs
+++ b/compiler/parser/RdrHsSyn.lhs
@@ -10,9 +10,9 @@ module RdrHsSyn (
  
 	mkHsOpApp, 
 	mkHsIntegral, mkHsFractional, mkHsIsString,
-	mkHsDo, mkHsSplice,
+	mkHsDo, mkHsSplice, mkTopSpliceDecl,
         mkClassDecl, mkTyData, mkTyFamily, mkTySynonym,
-        splitCon, mkInlineSpec,	
+        splitCon, mkInlinePragma,	
 	mkRecConstrOrUpdate, -- HsExp -> [HsFieldUpdate] -> P HsExp
 
 	cvBindGroup,
@@ -54,9 +54,8 @@ import Class            ( FunDep )
 import TypeRep          ( Kind )
 import RdrName		( RdrName, isRdrTyVar, isRdrTc, mkUnqual, rdrNameOcc, 
 			  isRdrDataCon, isUnqual, getRdrName, setRdrNameSpace )
-import BasicTypes	( maxPrecedence, Activation, RuleMatchInfo,
-                          InlinePragma(..),  InlineSpec(..),
-                          alwaysInlineSpec, neverInlineSpec )
+import BasicTypes	( maxPrecedence, Activation(..), RuleMatchInfo,
+                          InlinePragma(..) )
 import Lexer
 import TysWiredIn	( unitTyCon ) 
 import ForeignCall
@@ -74,7 +73,7 @@ import Maybes
 import Control.Applicative ((<$>))       
 import Text.ParserCombinators.ReadP as ReadP
 import Data.List        ( nubBy )
-import Data.Char        ( isAscii, isAlphaNum, isAlpha )
+import Data.Char
 
 #include "HsVersions.h"
 \end{code}
@@ -128,7 +127,8 @@ extract_lty (L loc ty) acc
       HsOpTy ty1 (L loc tv) ty2 -> extract_tv loc tv (extract_lty ty1 (extract_lty ty2 acc))
       HsParTy ty               	-> extract_lty ty acc
       HsNumTy _                 -> acc
-      HsSpliceTy _             	-> acc	-- Type splices mention no type variables
+      HsSpliceTy {}           	-> acc	-- Type splices mention no type variables
+      HsSpliceTyOut {}         	-> acc	-- Type splices mention no type variables
       HsKindSig ty _            -> extract_lty ty acc
       HsForAllTy _ [] cx ty     -> extract_lctxt cx (extract_lty ty acc)
       HsForAllTy _ tvs cx ty    -> acc ++ (filter ((`notElem` locals) . unLoc) $
@@ -223,6 +223,20 @@ mkTyFamily loc flavour lhs ksig
   = do { (tc, tparams) <- checkTyClHdr lhs
        ; tyvars <- checkTyVars tparams
        ; return (L loc (TyFamily flavour tc tyvars ksig)) }
+
+mkTopSpliceDecl :: LHsExpr RdrName -> HsDecl RdrName
+-- If the user wrote
+--	$(e)
+-- then that's the splice, but if she wrote, say,
+--      f x
+-- then behave as if she'd written
+--      $(f x)
+mkTopSpliceDecl expr
+  = SpliceD (SpliceDecl expr')
+  where
+    expr' = case expr of
+              (L _ (HsSpliceE (HsSplice _ expr))) -> expr
+              _other                              -> expr
 \end{code}
 
 %************************************************************************
@@ -945,13 +959,20 @@ mk_rec_fields :: [HsRecField id arg] -> Bool -> HsRecFields id arg
 mk_rec_fields fs False = HsRecFields { rec_flds = fs, rec_dotdot = Nothing }
 mk_rec_fields fs True  = HsRecFields { rec_flds = fs, rec_dotdot = Just (length fs) }
 
-mkInlineSpec :: Maybe Activation -> RuleMatchInfo -> Bool -> InlineSpec
--- The Maybe is becuase the user can omit the activation spec (and usually does)
-mkInlineSpec Nothing    match_info True  = alwaysInlineSpec match_info
-                                                                -- INLINE
-mkInlineSpec Nothing 	match_info False = neverInlineSpec  match_info
-                                                                -- NOINLINE
-mkInlineSpec (Just act) match_info inl   = Inline (InlinePragma act match_info) inl
+mkInlinePragma :: Maybe Activation -> RuleMatchInfo -> Bool -> InlinePragma
+-- The Maybe is because the user can omit the activation spec (and usually does)
+mkInlinePragma mb_act match_info inl 
+  = InlinePragma { inl_inline = inl
+                 , inl_act    = act
+                 , inl_rule   = match_info }
+  where
+    act = case mb_act of
+            Just act -> act
+            Nothing | inl       -> AlwaysActive
+                    | otherwise -> NeverActive
+        -- If no specific phase is given then:
+	--   NOINLINE => NeverActive
+        --   INLINE   => Active
 
 -----------------------------------------------------------------------------
 -- utilities for foreign declarations
@@ -991,7 +1012,9 @@ parseCImport cconv safety nm str =
 
    mk = CImport cconv safety
 
-   hdr_char c = isAscii c && (isAlphaNum c || c `elem` "._")
+   hdr_char c = not (isSpace c) -- header files are filenames, which can contain
+                                -- pretty much any char (depending on the platform),
+                                -- so just accept any non-space character
    id_char  c = isAlphaNum c || c == '_'
 
    cimp nm = (ReadP.char '&' >> skipSpaces >> CLabel <$> cid)