Refactor SrcLoc and SrcSpan

[ghc-hetmet.git] / compiler / parser / Parser.y.pp

diff --git a/compiler/parser/Parser.y.pp b/compiler/parser/Parser.y.pp
index aa20ea6..01d768a 100644 (file)
--- a/compiler/parser/Parser.y.pp
+++ b/compiler/parser/Parser.y.pp
@@ -41,9 +41,7 @@ import ForeignCall    ( Safety(..), CExportSpec(..), CLabelString,
                        )
 import OccName         ( varName, dataName, tcClsName, tvName )
 import DataCon         ( DataCon, dataConName )
-import SrcLoc          ( Located(..), unLoc, getLoc, noLoc, combineSrcSpans,
-                         SrcSpan, combineLocs, srcLocFile, 
-                         mkSrcLoc, mkSrcSpan )
+import SrcLoc
 import Module
 import StaticFlags     ( opt_SccProfilingOn, opt_Hpc )
 import Type            ( Kind, liftedTypeKind, unliftedTypeKind )
@@ -721,6 +719,11 @@ decl_cls  :: { Located (OrdList (LHsDecl RdrName)) }
 decl_cls  : at_decl_cls                        { LL (unitOL (L1 (TyClD (unLoc $1)))) }
          | decl                        { $1 }
 
+         -- A 'default' signature used with the generic-programming extension
+          | 'default' infixexp '::' sigtypedoc
+                    {% do { (TypeSig l ty) <- checkValSig $2 $4
+                          ; return (LL $ unitOL (LL $ SigD (GenericSig l ty))) } }
+
 decls_cls :: { Located (OrdList (LHsDecl RdrName)) }   -- Reversed
          : decls_cls ';' decl_cls      { LL (unLoc $1 `appOL` unLoc $3) }
          | decls_cls ';'               { LL (unLoc $1) }
@@ -1022,8 +1025,6 @@ atype :: { LHsType RdrName }
        | '$(' exp ')'                  { LL $ mkHsSpliceTy $2 }
        | TH_ID_SPLICE                  { LL $ mkHsSpliceTy $ L1 $ HsVar $ 
                                          mkUnqual varName (getTH_ID_SPLICE $1) }
--- Generics
-        | INTEGER                       { L1 (HsNumTy (getINTEGER $1)) }
 
 -- An inst_type is what occurs in the head of an instance decl
 --     e.g.  (Foo a, Gaz b) => Wibble a b
@@ -1232,9 +1233,11 @@ gdrh :: { LGRHS RdrName }
        : '|' guardquals '=' exp        { sL (comb2 $1 $>) $ GRHS (unLoc $2) $4 }
 
 sigdecl :: { Located (OrdList (LHsDecl RdrName)) }
-       : infixexp '::' sigtypedoc      {% do s <- checkValSig $1 $3 
-                                        ; return (LL $ unitOL (LL $ SigD s)) }
-               -- See Note [Declaration/signature overlap] for why we need infixexp here
+        : 
+       -- See Note [Declaration/signature overlap] for why we need infixexp here
+         infixexp '::' sigtypedoc
+                        {% do s <- checkValSig $1 $3 
+                        ; return (LL $ unitOL (LL $ SigD s)) }
        | var ',' sig_vars '::' sigtypedoc
                                { LL $ toOL [ LL $ SigD (TypeSig n $5) | n <- $1 : unLoc $3 ] }
        | infix prec ops        { LL $ toOL [ LL $ SigD (FixSig (FixitySig n (Fixity $2 (unLoc $1))))
@@ -1257,7 +1260,7 @@ quasiquote :: { Located (HsQuasiQuote RdrName) }
        : TH_QUASIQUOTE   { let { loc = getLoc $1
                                 ; ITquasiQuote (quoter, quote, quoteSpan) = unLoc $1
                                 ; quoterId = mkUnqual varName quoter }
-                            in L1 (mkHsQuasiQuote quoterId quoteSpan quote) }
+                            in L1 (mkHsQuasiQuote quoterId (RealSrcSpan quoteSpan) quote) }
 
 exp   :: { LHsExpr RdrName }
        : infixexp '::' sigtype         { LL $ ExprWithTySig $1 $3 }
@@ -1499,8 +1502,7 @@ squals :: { Located [LStmt RdrName] }     -- In reverse order, because the last
 
 -- It is possible to enable bracketing (associating) qualifier lists by uncommenting the lines with {| |}
 -- above. Due to a lack of consensus on the syntax, this feature is not being used until we get user
--- demand. Note that the {| |} symbols are reused from -XGenerics and hence if you want to compile
--- a program that makes use of this temporary syntax you must supply that flag to GHC
+-- demand.
 
 transformqual :: { Located ([LStmt RdrName] -> Stmt RdrName) }
                        -- Function is applied to a list of stmts *in order*